diff --git a/build-common/test/org/jetbrains/kotlin/serialization/js/ast/DebugJsAstProtoBuf.java b/build-common/test/org/jetbrains/kotlin/serialization/js/ast/DebugJsAstProtoBuf.java
index 03ebf463816..4ee74e39715 100644
--- a/build-common/test/org/jetbrains/kotlin/serialization/js/ast/DebugJsAstProtoBuf.java
+++ b/build-common/test/org/jetbrains/kotlin/serialization/js/ast/DebugJsAstProtoBuf.java
@@ -26189,6 +26189,15 @@ public final class DebugJsAstProtoBuf {
      * <code>required .org.jetbrains.kotlin.serialization.js.ast.Expression expression = 1;</code>
      */
     org.jetbrains.kotlin.serialization.js.ast.DebugJsAstProtoBuf.ExpressionOrBuilder getExpressionOrBuilder();
+
+    /**
+     * <code>optional int32 exported_tag_id = 2;</code>
+     */
+    boolean hasExportedTagId();
+    /**
+     * <code>optional int32 exported_tag_id = 2;</code>
+     */
+    int getExportedTagId();
   }
   /**
    * Protobuf type {@code org.jetbrains.kotlin.serialization.js.ast.ExpressionStatement}
@@ -26255,6 +26264,11 @@ public final class DebugJsAstProtoBuf {
               bitField0_ |= 0x00000001;
               break;
             }
+            case 16: {
+              bitField0_ |= 0x00000002;
+              exportedTagId_ = input.readInt32();
+              break;
+            }
           }
         }
       } catch (org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException e) {
@@ -26316,8 +26330,24 @@ public final class DebugJsAstProtoBuf {
       return expression_;
     }
 
+    public static final int EXPORTED_TAG_ID_FIELD_NUMBER = 2;
+    private int exportedTagId_;
+    /**
+     * <code>optional int32 exported_tag_id = 2;</code>
+     */
+    public boolean hasExportedTagId() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>optional int32 exported_tag_id = 2;</code>
+     */
+    public int getExportedTagId() {
+      return exportedTagId_;
+    }
+
     private void initFields() {
       expression_ = org.jetbrains.kotlin.serialization.js.ast.DebugJsAstProtoBuf.Expression.getDefaultInstance();
+      exportedTagId_ = 0;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -26343,6 +26373,9 @@ public final class DebugJsAstProtoBuf {
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
         output.writeMessage(1, expression_);
       }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeInt32(2, exportedTagId_);
+      }
       getUnknownFields().writeTo(output);
     }
 
@@ -26356,6 +26389,10 @@ public final class DebugJsAstProtoBuf {
         size += org.jetbrains.kotlin.protobuf.CodedOutputStream
           .computeMessageSize(1, expression_);
       }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += org.jetbrains.kotlin.protobuf.CodedOutputStream
+          .computeInt32Size(2, exportedTagId_);
+      }
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
       return size;
@@ -26480,6 +26517,8 @@ public final class DebugJsAstProtoBuf {
           expressionBuilder_.clear();
         }
         bitField0_ = (bitField0_ & ~0x00000001);
+        exportedTagId_ = 0;
+        bitField0_ = (bitField0_ & ~0x00000002);
         return this;
       }
 
@@ -26516,6 +26555,10 @@ public final class DebugJsAstProtoBuf {
         } else {
           result.expression_ = expressionBuilder_.build();
         }
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.exportedTagId_ = exportedTagId_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
@@ -26535,6 +26578,9 @@ public final class DebugJsAstProtoBuf {
         if (other.hasExpression()) {
           mergeExpression(other.getExpression());
         }
+        if (other.hasExportedTagId()) {
+          setExportedTagId(other.getExportedTagId());
+        }
         this.mergeUnknownFields(other.getUnknownFields());
         return this;
       }
@@ -26686,6 +26732,38 @@ public final class DebugJsAstProtoBuf {
         return expressionBuilder_;
       }
 
+      private int exportedTagId_ ;
+      /**
+       * <code>optional int32 exported_tag_id = 2;</code>
+       */
+      public boolean hasExportedTagId() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
+      }
+      /**
+       * <code>optional int32 exported_tag_id = 2;</code>
+       */
+      public int getExportedTagId() {
+        return exportedTagId_;
+      }
+      /**
+       * <code>optional int32 exported_tag_id = 2;</code>
+       */
+      public Builder setExportedTagId(int value) {
+        bitField0_ |= 0x00000002;
+        exportedTagId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional int32 exported_tag_id = 2;</code>
+       */
+      public Builder clearExportedTagId() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        exportedTagId_ = 0;
+        onChanged();
+        return this;
+      }
+
       // @@protoc_insertion_point(builder_scope:org.jetbrains.kotlin.serialization.js.ast.ExpressionStatement)
     }
 
@@ -48467,117 +48545,117 @@ public final class DebugJsAstProtoBuf {
       "\"Q\n\005Throw\022H\n\texception\030\001 \002(\01325.org.jetbr" +
       "ains.kotlin.serialization.js.ast.Express" +
       "ion\"\031\n\005Break\022\020\n\010label_id\030\001 \001(\005\"\034\n\010Contin" +
-      "ue\022\020\n\010label_id\030\001 \001(\005\"\n\n\010Debugger\"`\n\023Expr" +
+      "ue\022\020\n\010label_id\030\001 \001(\005\"\n\n\010Debugger\"y\n\023Expr" +
       "essionStatement\022I\n\nexpression\030\001 \002(\01325.or",
       "g.jetbrains.kotlin.serialization.js.ast." +
-      "Expression\"\215\001\n\004Vars\022N\n\013declaration\030\001 \003(\013" +
-      "29.org.jetbrains.kotlin.serialization.js" +
-      ".ast.VarDeclaration\022\030\n\tmultiline\030\002 \001(\010:\005" +
-      "false\022\033\n\023exported_package_id\030\003 \001(\005\"o\n\016Va" +
-      "rDeclaration\022\017\n\007name_id\030\001 \002(\005\022L\n\rinitial" +
-      "_value\030\002 \001(\01325.org.jetbrains.kotlin.seri" +
-      "alization.js.ast.Expression\"P\n\005Block\022G\n\t" +
-      "statement\030\001 \003(\01324.org.jetbrains.kotlin.s" +
-      "erialization.js.ast.Statement\"V\n\013GlobalB",
-      "lock\022G\n\tstatement\030\001 \003(\01324.org.jetbrains." +
-      "kotlin.serialization.js.ast.Statement\"f\n" +
-      "\005Label\022\016\n\006nameId\030\001 \002(\005\022M\n\017inner_statemen" +
-      "t\030\002 \002(\01324.org.jetbrains.kotlin.serializa" +
-      "tion.js.ast.Statement\"\352\001\n\002If\022H\n\tconditio" +
-      "n\030\001 \002(\01325.org.jetbrains.kotlin.serializa" +
-      "tion.js.ast.Expression\022L\n\016then_statement" +
-      "\030\002 \002(\01324.org.jetbrains.kotlin.serializat" +
-      "ion.js.ast.Statement\022L\n\016else_statement\030\003" +
-      " \001(\01324.org.jetbrains.kotlin.serializatio",
-      "n.js.ast.Statement\"\232\001\n\006Switch\022I\n\nexpress" +
-      "ion\030\001 \002(\01325.org.jetbrains.kotlin.seriali" +
-      "zation.js.ast.Expression\022E\n\005entry\030\002 \003(\0132" +
-      "6.org.jetbrains.kotlin.serialization.js." +
-      "ast.SwitchEntry\"\234\001\n\013SwitchEntry\022D\n\005label" +
-      "\030\001 \001(\01325.org.jetbrains.kotlin.serializat" +
-      "ion.js.ast.Expression\022G\n\tstatement\030\002 \003(\013" +
-      "24.org.jetbrains.kotlin.serialization.js" +
-      ".ast.Statement\"\225\001\n\005While\022H\n\tcondition\030\001 " +
-      "\002(\01325.org.jetbrains.kotlin.serialization",
-      ".js.ast.Expression\022B\n\004body\030\002 \002(\01324.org.j" +
+      "Expression\022\027\n\017exported_tag_id\030\002 \001(\005\"\215\001\n\004" +
+      "Vars\022N\n\013declaration\030\001 \003(\01329.org.jetbrain" +
+      "s.kotlin.serialization.js.ast.VarDeclara" +
+      "tion\022\030\n\tmultiline\030\002 \001(\010:\005false\022\033\n\023export" +
+      "ed_package_id\030\003 \001(\005\"o\n\016VarDeclaration\022\017\n" +
+      "\007name_id\030\001 \002(\005\022L\n\rinitial_value\030\002 \001(\01325." +
+      "org.jetbrains.kotlin.serialization.js.as" +
+      "t.Expression\"P\n\005Block\022G\n\tstatement\030\001 \003(\013" +
+      "24.org.jetbrains.kotlin.serialization.js",
+      ".ast.Statement\"V\n\013GlobalBlock\022G\n\tstateme" +
+      "nt\030\001 \003(\01324.org.jetbrains.kotlin.serializ" +
+      "ation.js.ast.Statement\"f\n\005Label\022\016\n\006nameI" +
+      "d\030\001 \002(\005\022M\n\017inner_statement\030\002 \002(\01324.org.j" +
       "etbrains.kotlin.serialization.js.ast.Sta" +
-      "tement\"\227\001\n\007DoWhile\022H\n\tcondition\030\001 \002(\01325." +
-      "org.jetbrains.kotlin.serialization.js.as" +
-      "t.Expression\022B\n\004body\030\002 \002(\01324.org.jetbrai" +
+      "tement\"\352\001\n\002If\022H\n\tcondition\030\001 \002(\01325.org.j" +
+      "etbrains.kotlin.serialization.js.ast.Exp" +
+      "ression\022L\n\016then_statement\030\002 \002(\01324.org.je" +
+      "tbrains.kotlin.serialization.js.ast.Stat" +
+      "ement\022L\n\016else_statement\030\003 \001(\01324.org.jetb",
+      "rains.kotlin.serialization.js.ast.Statem" +
+      "ent\"\232\001\n\006Switch\022I\n\nexpression\030\001 \002(\01325.org" +
+      ".jetbrains.kotlin.serialization.js.ast.E" +
+      "xpression\022E\n\005entry\030\002 \003(\01326.org.jetbrains" +
+      ".kotlin.serialization.js.ast.SwitchEntry" +
+      "\"\234\001\n\013SwitchEntry\022D\n\005label\030\001 \001(\01325.org.je" +
+      "tbrains.kotlin.serialization.js.ast.Expr" +
+      "ession\022G\n\tstatement\030\002 \003(\01324.org.jetbrain" +
+      "s.kotlin.serialization.js.ast.Statement\"" +
+      "\225\001\n\005While\022H\n\tcondition\030\001 \002(\01325.org.jetbr",
+      "ains.kotlin.serialization.js.ast.Express" +
+      "ion\022B\n\004body\030\002 \002(\01324.org.jetbrains.kotlin" +
+      ".serialization.js.ast.Statement\"\227\001\n\007DoWh" +
+      "ile\022H\n\tcondition\030\001 \002(\01325.org.jetbrains.k" +
+      "otlin.serialization.js.ast.Expression\022B\n" +
+      "\004body\030\002 \002(\01324.org.jetbrains.kotlin.seria" +
+      "lization.js.ast.Statement\"\277\003\n\003For\022D\n\tvar" +
+      "iables\030\001 \001(\0132/.org.jetbrains.kotlin.seri" +
+      "alization.js.ast.VarsH\000\022K\n\nexpression\030\002 " +
+      "\001(\01325.org.jetbrains.kotlin.serialization",
+      ".js.ast.ExpressionH\000\022E\n\005empty\030\003 \001(\01324.or" +
+      "g.jetbrains.kotlin.serialization.js.ast." +
+      "EmptyInitH\000\022H\n\tcondition\030\004 \001(\01325.org.jet" +
+      "brains.kotlin.serialization.js.ast.Expre" +
+      "ssion\022H\n\tincrement\030\005 \001(\01325.org.jetbrains" +
+      ".kotlin.serialization.js.ast.Expression\022" +
+      "B\n\004body\030\006 \002(\01324.org.jetbrains.kotlin.ser" +
+      "ialization.js.ast.StatementB\006\n\004init\"\013\n\tE" +
+      "mptyInit\"\374\001\n\005ForIn\022\020\n\006nameId\030\001 \001(\005H\000\022K\n\n" +
+      "expression\030\002 \001(\01325.org.jetbrains.kotlin.",
+      "serialization.js.ast.ExpressionH\000\022G\n\010ite" +
+      "rable\030\003 \002(\01325.org.jetbrains.kotlin.seria" +
+      "lization.js.ast.Expression\022B\n\004body\030\004 \002(\013" +
+      "24.org.jetbrains.kotlin.serialization.js" +
+      ".ast.StatementB\007\n\005value\"\337\001\n\003Try\022F\n\010tryBl" +
+      "ock\030\001 \002(\01324.org.jetbrains.kotlin.seriali" +
+      "zation.js.ast.Statement\022D\n\ncatchBlock\030\002 " +
+      "\001(\01320.org.jetbrains.kotlin.serialization" +
+      ".js.ast.Catch\022J\n\014finallyBlock\030\003 \001(\01324.or" +
+      "g.jetbrains.kotlin.serialization.js.ast.",
+      "Statement\"\224\001\n\005Catch\022G\n\tparameter\030\001 \002(\01324" +
+      ".org.jetbrains.kotlin.serialization.js.a" +
+      "st.Parameter\022B\n\004body\030\002 \002(\01324.org.jetbrai" +
       "ns.kotlin.serialization.js.ast.Statement" +
-      "\"\277\003\n\003For\022D\n\tvariables\030\001 \001(\0132/.org.jetbra" +
-      "ins.kotlin.serialization.js.ast.VarsH\000\022K" +
-      "\n\nexpression\030\002 \001(\01325.org.jetbrains.kotli" +
-      "n.serialization.js.ast.ExpressionH\000\022E\n\005e",
-      "mpty\030\003 \001(\01324.org.jetbrains.kotlin.serial" +
-      "ization.js.ast.EmptyInitH\000\022H\n\tcondition\030" +
-      "\004 \001(\01325.org.jetbrains.kotlin.serializati" +
-      "on.js.ast.Expression\022H\n\tincrement\030\005 \001(\0132" +
-      "5.org.jetbrains.kotlin.serialization.js." +
-      "ast.Expression\022B\n\004body\030\006 \002(\01324.org.jetbr" +
-      "ains.kotlin.serialization.js.ast.Stateme" +
-      "ntB\006\n\004init\"\013\n\tEmptyInit\"\374\001\n\005ForIn\022\020\n\006nam" +
-      "eId\030\001 \001(\005H\000\022K\n\nexpression\030\002 \001(\01325.org.je" +
-      "tbrains.kotlin.serialization.js.ast.Expr",
-      "essionH\000\022G\n\010iterable\030\003 \002(\01325.org.jetbrai" +
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-      "n\022B\n\004body\030\004 \002(\01324.org.jetbrains.kotlin.s" +
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-      "ization.js.ast.Statement\"\224\001\n\005Catch\022G\n\tpa",
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-      "\01324.org.jetbrains.kotlin.serialization.j" +
-      "s.ast.Statement\"\007\n\005Empty\"\327\005\n\010Fragment\022R\n" +
-      "\017imported_module\030\001 \003(\01329.org.jetbrains.k" +
-      "otlin.serialization.js.ast.ImportedModul" +
-      "e\022G\n\014import_entry\030\002 \003(\01321.org.jetbrains." +
-      "kotlin.serialization.js.ast.Import\022Q\n\021de" +
-      "claration_block\030\003 \001(\01326.org.jetbrains.ko" +
-      "tlin.serialization.js.ast.GlobalBlock\022L\n",
-      "\014export_block\030\004 \001(\01326.org.jetbrains.kotl" +
-      "in.serialization.js.ast.GlobalBlock\022Q\n\021i" +
-      "nitializer_block\030\005 \001(\01326.org.jetbrains.k" +
-      "otlin.serialization.js.ast.GlobalBlock\022L" +
-      "\n\014name_binding\030\006 \003(\01326.org.jetbrains.kot" +
-      "lin.serialization.js.ast.NameBinding\022J\n\013" +
-      "class_model\030\007 \003(\01325.org.jetbrains.kotlin" +
-      ".serialization.js.ast.ClassModel\022P\n\021modu" +
-      "le_expression\030\010 \003(\01325.org.jetbrains.kotl" +
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-      "line_module\030\t \003(\01327.org.jetbrains.kotlin" +
-      ".serialization.js.ast.InlineModule\"\224\001\n\016I" +
-      "mportedModule\022\030\n\020external_name_id\030\001 \002(\005\022" +
-      "\030\n\020internal_name_id\030\002 \002(\005\022N\n\017plain_refer" +
-      "ence\030\003 \001(\01325.org.jetbrains.kotlin.serial" +
-      "ization.js.ast.Expression\"i\n\006Import\022\024\n\014s" +
-      "ignature_id\030\001 \002(\005\022I\n\nexpression\030\002 \002(\01325." +
-      "org.jetbrains.kotlin.serialization.js.as" +
-      "t.Expression\"3\n\013NameBinding\022\024\n\014signature" +
-      "_id\030\001 \002(\005\022\016\n\006nameId\030\002 \002(\005\"\214\001\n\nClassModel",
-      "\022\017\n\007name_id\030\001 \002(\005\022\025\n\rsuper_name_id\030\002 \001(\005" +
-      "\022V\n\026post_declaration_block\030\003 \001(\01326.org.j" +
-      "etbrains.kotlin.serialization.js.ast.Glo" +
-      "balBlock\";\n\014InlineModule\022\024\n\014signature_id" +
-      "\030\001 \002(\005\022\025\n\rexpression_id\030\002 \002(\005\"\034\n\013StringT" +
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-      "tion.js.ast.Name\"-\n\004Name\022\021\n\ttemporary\030\001 " +
-      "\002(\010\022\022\n\nidentifier\030\002 \001(\005\"\346\001\n\005Chunk\022L\n\014str" +
-      "ing_table\030\001 \002(\01326.org.jetbrains.kotlin.s",
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-      ".js.ast.Fragment*@\n\013SideEffects\022\021\n\rAFFEC" +
-      "TS_STATE\020\001\022\024\n\020DEPENDS_ON_STATE\020\002\022\010\n\004PURE" +
-      "\020\003*?\n\016InlineStrategy\022\017\n\013AS_FUNCTION\020\000\022\014\n" +
-      "\010IN_PLACE\020\001\022\016\n\nNOT_INLINE\020\002B\024B\022DebugJsAs" +
-      "tProtoBuf"
+      "\"\007\n\005Empty\"\327\005\n\010Fragment\022R\n\017imported_modul" +
+      "e\030\001 \003(\01329.org.jetbrains.kotlin.serializa" +
+      "tion.js.ast.ImportedModule\022G\n\014import_ent" +
+      "ry\030\002 \003(\01321.org.jetbrains.kotlin.serializ" +
+      "ation.js.ast.Import\022Q\n\021declaration_block" +
+      "\030\003 \001(\01326.org.jetbrains.kotlin.serializat",
+      "ion.js.ast.GlobalBlock\022L\n\014export_block\030\004" +
+      " \001(\01326.org.jetbrains.kotlin.serializatio" +
+      "n.js.ast.GlobalBlock\022Q\n\021initializer_bloc" +
+      "k\030\005 \001(\01326.org.jetbrains.kotlin.serializa" +
+      "tion.js.ast.GlobalBlock\022L\n\014name_binding\030" +
+      "\006 \003(\01326.org.jetbrains.kotlin.serializati" +
+      "on.js.ast.NameBinding\022J\n\013class_model\030\007 \003" +
+      "(\01325.org.jetbrains.kotlin.serialization." +
+      "js.ast.ClassModel\022P\n\021module_expression\030\010" +
+      " \003(\01325.org.jetbrains.kotlin.serializatio",
+      "n.js.ast.Expression\022N\n\rinline_module\030\t \003" +
+      "(\01327.org.jetbrains.kotlin.serialization." +
+      "js.ast.InlineModule\"\224\001\n\016ImportedModule\022\030" +
+      "\n\020external_name_id\030\001 \002(\005\022\030\n\020internal_nam" +
+      "e_id\030\002 \002(\005\022N\n\017plain_reference\030\003 \001(\01325.or" +
+      "g.jetbrains.kotlin.serialization.js.ast." +
+      "Expression\"i\n\006Import\022\024\n\014signature_id\030\001 \002" +
+      "(\005\022I\n\nexpression\030\002 \002(\01325.org.jetbrains.k" +
+      "otlin.serialization.js.ast.Expression\"3\n" +
+      "\013NameBinding\022\024\n\014signature_id\030\001 \002(\005\022\016\n\006na",
+      "meId\030\002 \002(\005\"\214\001\n\nClassModel\022\017\n\007name_id\030\001 \002" +
+      "(\005\022\025\n\rsuper_name_id\030\002 \001(\005\022V\n\026post_declar" +
+      "ation_block\030\003 \001(\01326.org.jetbrains.kotlin" +
+      ".serialization.js.ast.GlobalBlock\";\n\014Inl" +
+      "ineModule\022\024\n\014signature_id\030\001 \002(\005\022\025\n\rexpre" +
+      "ssion_id\030\002 \002(\005\"\034\n\013StringTable\022\r\n\005entry\030\001" +
+      " \003(\t\"K\n\tNameTable\022>\n\005entry\030\001 \003(\0132/.org.j" +
+      "etbrains.kotlin.serialization.js.ast.Nam" +
+      "e\"-\n\004Name\022\021\n\ttemporary\030\001 \002(\010\022\022\n\nidentifi" +
+      "er\030\002 \001(\005\"\346\001\n\005Chunk\022L\n\014string_table\030\001 \002(\013",
+      "26.org.jetbrains.kotlin.serialization.js" +
+      ".ast.StringTable\022H\n\nname_table\030\002 \002(\01324.o" +
+      "rg.jetbrains.kotlin.serialization.js.ast" +
+      ".NameTable\022E\n\010fragment\030\003 \002(\01323.org.jetbr" +
+      "ains.kotlin.serialization.js.ast.Fragmen" +
+      "t*@\n\013SideEffects\022\021\n\rAFFECTS_STATE\020\001\022\024\n\020D" +
+      "EPENDS_ON_STATE\020\002\022\010\n\004PURE\020\003*?\n\016InlineStr" +
+      "ategy\022\017\n\013AS_FUNCTION\020\000\022\014\n\010IN_PLACE\020\001\022\016\n\n" +
+      "NOT_INLINE\020\002B\024B\022DebugJsAstProtoBuf"
     };
     org.jetbrains.kotlin.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
         new org.jetbrains.kotlin.protobuf.Descriptors.FileDescriptor.    InternalDescriptorAssigner() {
@@ -48764,7 +48842,7 @@ public final class DebugJsAstProtoBuf {
     internal_static_org_jetbrains_kotlin_serialization_js_ast_ExpressionStatement_fieldAccessorTable = new
       org.jetbrains.kotlin.protobuf.GeneratedMessage.FieldAccessorTable(
         internal_static_org_jetbrains_kotlin_serialization_js_ast_ExpressionStatement_descriptor,
-        new java.lang.String[] { "Expression", });
+        new java.lang.String[] { "Expression", "ExportedTagId", });
     internal_static_org_jetbrains_kotlin_serialization_js_ast_Vars_descriptor =
       getDescriptor().getMessageTypes().get(29);
     internal_static_org_jetbrains_kotlin_serialization_js_ast_Vars_fieldAccessorTable = new
diff --git a/js/js.ast/src/org/jetbrains/kotlin/js/backend/ast/metadata/metadataProperties.kt b/js/js.ast/src/org/jetbrains/kotlin/js/backend/ast/metadata/metadataProperties.kt
index b91b8218ba2..4ae7f8576aa 100644
--- a/js/js.ast/src/org/jetbrains/kotlin/js/backend/ast/metadata/metadataProperties.kt
+++ b/js/js.ast/src/org/jetbrains/kotlin/js/backend/ast/metadata/metadataProperties.kt
@@ -54,6 +54,8 @@ var JsInvocation.boxing: Boolean by MetadataProperty(default = false)
 
 var JsVars.exportedPackage: String? by MetadataProperty(default = null)
 
+var JsExpressionStatement.exportedTag: String? by MetadataProperty(default = null)
+
 /**
  * For function and lambda bodies indicates what declaration corresponds to.
  * When absent (`null`) on body of a named function, this function is from external JS module.
diff --git a/js/js.serializer/src/js-ast.proto b/js/js.serializer/src/js-ast.proto
index f13c9166ea6..3e5a465c34d 100644
--- a/js/js.serializer/src/js-ast.proto
+++ b/js/js.serializer/src/js-ast.proto
@@ -270,6 +270,7 @@ message Debugger {
 
 message ExpressionStatement {
     required Expression expression = 1;
+    optional int32 exported_tag_id = 2;
 }
 
 message Vars {
diff --git a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstDeserializer.kt b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstDeserializer.kt
index 70e0e6e8775..855dfd1532e 100644
--- a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstDeserializer.kt
+++ b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstDeserializer.kt
@@ -142,7 +142,11 @@ class JsAstDeserializer(private val program: JsProgram) {
 
         StatementCase.EXPRESSION -> {
             val expressionProto = proto.expression
-            JsExpressionStatement(deserialize(expressionProto.expression))
+            JsExpressionStatement(deserialize(expressionProto.expression)).also {
+                if (expressionProto.hasExportedTagId()) {
+                    it.exportedTag = deserializeString(expressionProto.exportedTagId)
+                }
+            }
         }
 
         StatementCase.VARS -> {
diff --git a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
index 335086af967..82b5faf5730 100644
--- a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
+++ b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
@@ -19331,6 +19331,15 @@ public final class JsAstProtoBuf {
      * <code>required .org.jetbrains.kotlin.serialization.js.ast.Expression expression = 1;</code>
      */
     org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Expression getExpression();
+
+    /**
+     * <code>optional int32 exported_tag_id = 2;</code>
+     */
+    boolean hasExportedTagId();
+    /**
+     * <code>optional int32 exported_tag_id = 2;</code>
+     */
+    int getExportedTagId();
   }
   /**
    * Protobuf type {@code org.jetbrains.kotlin.serialization.js.ast.ExpressionStatement}
@@ -19395,6 +19404,11 @@ public final class JsAstProtoBuf {
               bitField0_ |= 0x00000001;
               break;
             }
+            case 16: {
+              bitField0_ |= 0x00000002;
+              exportedTagId_ = input.readInt32();
+              break;
+            }
           }
         }
       } catch (org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException e) {
@@ -19444,8 +19458,24 @@ public final class JsAstProtoBuf {
       return expression_;
     }
 
+    public static final int EXPORTED_TAG_ID_FIELD_NUMBER = 2;
+    private int exportedTagId_;
+    /**
+     * <code>optional int32 exported_tag_id = 2;</code>
+     */
+    public boolean hasExportedTagId() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>optional int32 exported_tag_id = 2;</code>
+     */
+    public int getExportedTagId() {
+      return exportedTagId_;
+    }
+
     private void initFields() {
       expression_ = org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Expression.getDefaultInstance();
+      exportedTagId_ = 0;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -19471,6 +19501,9 @@ public final class JsAstProtoBuf {
       if (((bitField0_ & 0x00000001) == 0x00000001)) {
         output.writeMessage(1, expression_);
       }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeInt32(2, exportedTagId_);
+      }
       output.writeRawBytes(unknownFields);
     }
 
@@ -19484,6 +19517,10 @@ public final class JsAstProtoBuf {
         size += org.jetbrains.kotlin.protobuf.CodedOutputStream
           .computeMessageSize(1, expression_);
       }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += org.jetbrains.kotlin.protobuf.CodedOutputStream
+          .computeInt32Size(2, exportedTagId_);
+      }
       size += unknownFields.size();
       memoizedSerializedSize = size;
       return size;
@@ -19580,6 +19617,8 @@ public final class JsAstProtoBuf {
         super.clear();
         expression_ = org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Expression.getDefaultInstance();
         bitField0_ = (bitField0_ & ~0x00000001);
+        exportedTagId_ = 0;
+        bitField0_ = (bitField0_ & ~0x00000002);
         return this;
       }
 
@@ -19607,6 +19646,10 @@ public final class JsAstProtoBuf {
           to_bitField0_ |= 0x00000001;
         }
         result.expression_ = expression_;
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.exportedTagId_ = exportedTagId_;
         result.bitField0_ = to_bitField0_;
         return result;
       }
@@ -19616,6 +19659,9 @@ public final class JsAstProtoBuf {
         if (other.hasExpression()) {
           mergeExpression(other.getExpression());
         }
+        if (other.hasExportedTagId()) {
+          setExportedTagId(other.getExportedTagId());
+        }
         setUnknownFields(
             getUnknownFields().concat(other.unknownFields));
         return this;
@@ -19712,6 +19758,38 @@ public final class JsAstProtoBuf {
         return this;
       }
 
+      private int exportedTagId_ ;
+      /**
+       * <code>optional int32 exported_tag_id = 2;</code>
+       */
+      public boolean hasExportedTagId() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
+      }
+      /**
+       * <code>optional int32 exported_tag_id = 2;</code>
+       */
+      public int getExportedTagId() {
+        return exportedTagId_;
+      }
+      /**
+       * <code>optional int32 exported_tag_id = 2;</code>
+       */
+      public Builder setExportedTagId(int value) {
+        bitField0_ |= 0x00000002;
+        exportedTagId_ = value;
+        
+        return this;
+      }
+      /**
+       * <code>optional int32 exported_tag_id = 2;</code>
+       */
+      public Builder clearExportedTagId() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        exportedTagId_ = 0;
+        
+        return this;
+      }
+
       // @@protoc_insertion_point(builder_scope:org.jetbrains.kotlin.serialization.js.ast.ExpressionStatement)
     }
 
diff --git a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstSerializer.kt b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstSerializer.kt
index 2cefaf65c23..3cb0ff3a63e 100644
--- a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstSerializer.kt
+++ b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstSerializer.kt
@@ -144,6 +144,11 @@ class JsAstSerializer {
             override fun visitExpressionStatement(x: JsExpressionStatement) {
                 val statementBuilder = ExpressionStatement.newBuilder()
                 statementBuilder.expression = serialize(x.expression)
+                val tag = x.exportedTag
+                if (tag != null) {
+                    statementBuilder.exportedTagId = serialize(tag)
+                }
+
                 builder.expression = statementBuilder.build()
             }
 
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/BoxJsTestGenerated.java b/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/BoxJsTestGenerated.java
index 0348c0c6e85..2e6520a136e 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/BoxJsTestGenerated.java
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/BoxJsTestGenerated.java
@@ -3467,6 +3467,12 @@ public class BoxJsTestGenerated extends AbstractBoxJsTest {
             doTest(fileName);
         }
 
+        @TestMetadata("multipleExport.kt")
+        public void testMultipleExport() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/incremental/multipleExport.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("simple.kt")
         public void testSimple() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/incremental/simple.kt");
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/utils/DirectiveTestUtils.java b/js/js.tests/test/org/jetbrains/kotlin/js/test/utils/DirectiveTestUtils.java
index 31d01cdeb69..442a1e40a8c 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/utils/DirectiveTestUtils.java
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/utils/DirectiveTestUtils.java
@@ -76,6 +76,13 @@ public class DirectiveTestUtils {
         }
     };
 
+    private static final DirectiveHandler PROPERTY_WRITE_COUNT = new DirectiveHandler("PROPERTY_WRITE_COUNT") {
+        @Override
+        void processEntry(@NotNull JsNode ast, @NotNull ArgumentsHelper arguments) throws Exception {
+            checkPropertyWriteCount(ast, arguments.getNamedArgument("name"), Integer.parseInt(arguments.getNamedArgument("count")));
+        }
+    };
+
     private static final DirectiveHandler FUNCTION_CALLED_IN_SCOPE = new DirectiveHandler("CHECK_CALLED_IN_SCOPE") {
         @Override
         void processEntry(@NotNull JsNode ast, @NotNull ArgumentsHelper arguments) throws Exception {
@@ -292,6 +299,7 @@ public class DirectiveTestUtils {
             PROPERTY_NOT_USED,
             PROPERTY_NOT_READ_FROM,
             PROPERTY_NOT_WRITTEN_TO,
+            PROPERTY_WRITE_COUNT,
             FUNCTION_CALLED_IN_SCOPE,
             FUNCTION_NOT_CALLED_IN_SCOPE,
             FUNCTIONS_HAVE_SAME_LINES,
@@ -332,6 +340,11 @@ public class DirectiveTestUtils {
         }
     }
 
+    private static void checkPropertyWriteCount(JsNode node, String propertyName, int expectedCount) throws Exception {
+        PropertyReferenceCollector counter = PropertyReferenceCollector.Companion.collect(node);
+        assertEquals("Property write count: " + propertyName, expectedCount, counter.unqualifiedWriteCount(propertyName));
+    }
+
 
     public static void checkFunctionNotCalled(@NotNull JsNode node, @NotNull String functionName, @Nullable String exceptFunction)
             throws Exception {
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/utils/PropertyReferenceCollector.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/utils/PropertyReferenceCollector.kt
index e1371c72306..f8422a8e2bd 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/utils/PropertyReferenceCollector.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/utils/PropertyReferenceCollector.kt
@@ -25,10 +25,12 @@ import org.jetbrains.kotlin.js.translate.utils.JsAstUtils
 class PropertyReferenceCollector : RecursiveJsVisitor() {
 
     private val identReadSet = hashSetOf<String>()
-    private val identWriteSet = hashSetOf<String>()
+    private val identWriteMap = hashMapOf<String, Int>()
 
     fun hasUnqualifiedReads(expectedIdent: String) = expectedIdent in identReadSet
-    fun hasUnqualifiedWrites(expectedIdent: String) = expectedIdent in identWriteSet
+    fun hasUnqualifiedWrites(expectedIdent: String) = expectedIdent in identWriteMap
+
+    fun unqualifiedWriteCount(expectedIdent: String): Int = identWriteMap[expectedIdent] ?: 0
 
     override fun visitNameRef(nameRef: JsNameRef) {
         super.visitNameRef(nameRef)
@@ -40,7 +42,7 @@ class PropertyReferenceCollector : RecursiveJsVisitor() {
         JsAstUtils.decomposeAssignment(x)?.let { (left, right) ->
             (left as? JsNameRef)?.let { nameRef ->
                 assignmentToProperty = true
-                identWriteSet.add(nameRef.ident)
+                identWriteMap[nameRef.ident] = 1 + unqualifiedWriteCount(nameRef.ident)
                 nameRef.qualifier?.accept(this)
                 right.accept(this)
             }
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/context/DeclarationExporter.kt b/js/js.translator/src/org/jetbrains/kotlin/js/translate/context/DeclarationExporter.kt
index 7636f2265dc..20f41baa553 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/context/DeclarationExporter.kt
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/context/DeclarationExporter.kt
@@ -20,6 +20,7 @@ import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.isInlineOnlyOrReifiable
 import org.jetbrains.kotlin.js.backend.ast.*
 import org.jetbrains.kotlin.js.backend.ast.metadata.exportedPackage
+import org.jetbrains.kotlin.js.backend.ast.metadata.exportedTag
 import org.jetbrains.kotlin.js.backend.ast.metadata.staticRef
 import org.jetbrains.kotlin.js.translate.utils.AnnotationsUtils
 import org.jetbrains.kotlin.js.translate.utils.AnnotationsUtils.isLibraryObject
@@ -70,25 +71,26 @@ internal class DeclarationExporter(val context: StaticContext) {
                 exportProperty(descriptor, qualifier)
             }
             else -> {
-                assign(descriptor, qualifier, context.getInnerNameForDescriptor(descriptor).makeRef())
+                assign(descriptor, qualifier)
             }
         }
     }
 
-    private fun assign(descriptor: DeclarationDescriptor, qualifier: JsExpression, expression: JsExpression) {
+    private fun assign(descriptor: DeclarationDescriptor, qualifier: JsExpression) {
+        val exportedName = context.getInnerNameForDescriptor(descriptor)
+        val expression = exportedName.makeRef()
         val propertyName = context.getNameForDescriptor(descriptor)
-        if (propertyName.staticRef == null) {
-            if (expression !is JsNameRef || expression.name !== propertyName) {
-                propertyName.staticRef = expression
-            }
+        if (propertyName.staticRef == null && exportedName != propertyName) {
+            propertyName.staticRef = expression
         }
-        statements += assignment(JsNameRef(propertyName, qualifier), expression).makeStmt()
+        statements += assignment(JsNameRef(propertyName, qualifier), expression).exportStatement(descriptor)
     }
 
     private fun exportObject(declaration: ClassDescriptor, qualifier: JsExpression) {
         val name = context.getNameForDescriptor(declaration)
-        statements += JsAstUtils.defineGetter(context.program, qualifier, name.ident,
-                                              context.getNameForObjectInstance(declaration).makeRef())
+        val expression = JsAstUtils.defineGetter(context.program, qualifier, name.ident,
+                                                 context.getNameForObjectInstance(declaration).makeRef())
+        statements += expression.exportStatement(declaration)
     }
 
     private fun exportProperty(declaration: PropertyDescriptor, qualifier: JsExpression) {
@@ -98,12 +100,15 @@ internal class DeclarationExporter(val context: StaticContext) {
         val simpleProperty = JsDescriptorUtils.isSimpleFinalProperty(declaration) &&
                              !TranslationUtils.shouldAccessViaFunctions(declaration)
 
+        val exportedName: JsName
         val getterBody: JsExpression = if (simpleProperty) {
-            val accessToField = JsReturn(context.getInnerNameForDescriptor(declaration).makeRef())
+            exportedName = context.getInnerNameForDescriptor(declaration)
+            val accessToField = JsReturn(exportedName.makeRef())
             JsFunction(context.fragment.scope, JsBlock(accessToField), "$declaration getter")
         }
         else {
-            context.getInnerNameForDescriptor(declaration.getter!!).makeRef()
+            exportedName = context.getInnerNameForDescriptor(declaration.getter!!)
+            exportedName.makeRef()
         }
         propertyLiteral.propertyInitializers += JsPropertyInitializer(JsNameRef("get"), getterBody)
 
@@ -122,7 +127,7 @@ internal class DeclarationExporter(val context: StaticContext) {
             propertyLiteral.propertyInitializers += JsPropertyInitializer(JsNameRef("set"), setterBody)
         }
 
-        statements += JsAstUtils.defineProperty(qualifier, name, propertyLiteral, context.program).makeStmt()
+        statements += JsAstUtils.defineProperty(qualifier, name, propertyLiteral, context.program).exportStatement(declaration)
     }
 
     private fun getLocalPackageReference(packageName: FqName): JsExpression {
@@ -142,6 +147,10 @@ internal class DeclarationExporter(val context: StaticContext) {
         }
         return name.makeRef()
     }
+
+    private fun JsExpression.exportStatement(declaration: DeclarationDescriptor) = JsExpressionStatement(this).also {
+        it.exportedTag = context.getTag(declaration)
+    }
 }
 
 private fun MemberDescriptor.shouldBeExported(force: Boolean) =
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/context/StaticContext.java b/js/js.translator/src/org/jetbrains/kotlin/js/translate/context/StaticContext.java
index d0ad80e4ab5..1b7fd5bb0c2 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/context/StaticContext.java
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/context/StaticContext.java
@@ -212,7 +212,7 @@ public final class StaticContext {
     }
 
     @Nullable
-    private String getTag(@NotNull DeclarationDescriptor descriptor) {
+    public String getTag(@NotNull DeclarationDescriptor descriptor) {
         String tag;
         if (!tagCache.containsKey(descriptor)) {
             tag = SignatureUtilsKt.generateSignature(descriptor);
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/general/Merger.kt b/js/js.translator/src/org/jetbrains/kotlin/js/translate/general/Merger.kt
index d88981a8e6f..289222488d8 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/general/Merger.kt
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/general/Merger.kt
@@ -20,6 +20,7 @@ import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.js.backend.ast.*
 import org.jetbrains.kotlin.js.backend.ast.metadata.coroutineMetadata
 import org.jetbrains.kotlin.js.backend.ast.metadata.exportedPackage
+import org.jetbrains.kotlin.js.backend.ast.metadata.exportedTag
 import org.jetbrains.kotlin.js.translate.context.Namer
 import org.jetbrains.kotlin.js.translate.utils.JsAstUtils
 
@@ -35,6 +36,7 @@ class Merger(private val rootFunction: JsFunction, val internalModuleName: JsNam
     private val classes = mutableMapOf<JsName, JsClassModel>()
     private val importedModulesImpl = mutableListOf<JsImportedModule>()
     private val exportedPackages = mutableMapOf<String, JsName>()
+    private val exportedTags = mutableSetOf<String>()
 
     // Add declaration and initialization statements from program fragment to resulting single program
     fun addFragment(fragment: JsProgramFragment) {
@@ -100,6 +102,10 @@ class Merger(private val rootFunction: JsFunction, val internalModuleName: JsNam
                     exportedPackages[exportedPackage] = localName
                 }
             }
+            else if (statement is JsExpressionStatement) {
+                val exportedTag = statement.exportedTag
+                if (exportedTag != null && !exportedTags.add(exportedTag)) continue
+            }
             exportBlock.statements += nameMap.rename(statement)
         }
     }
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/utils/JsAstUtils.java b/js/js.translator/src/org/jetbrains/kotlin/js/translate/utils/JsAstUtils.java
index a408fc8b606..887e92ecd7d 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/utils/JsAstUtils.java
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/utils/JsAstUtils.java
@@ -553,7 +553,7 @@ public final class JsAstUtils {
     }
 
     @NotNull
-    public static JsStatement defineGetter(
+    public static JsExpression defineGetter(
             @NotNull JsProgram program,
             @NotNull JsExpression receiver,
             @NotNull String name,
@@ -561,7 +561,7 @@ public final class JsAstUtils {
     ) {
         JsObjectLiteral propertyLiteral = new JsObjectLiteral(true);
         propertyLiteral.getPropertyInitializers().add(new JsPropertyInitializer(new JsNameRef("get"), body));
-        return defineProperty(receiver, name, propertyLiteral, program).makeStmt();
+        return defineProperty(receiver, name, propertyLiteral, program);
     }
 
     @NotNull
diff --git a/js/js.translator/testData/box/incremental/multipleExport.kt b/js/js.translator/testData/box/incremental/multipleExport.kt
new file mode 100644
index 00000000000..3707279d387
--- /dev/null
+++ b/js/js.translator/testData/box/incremental/multipleExport.kt
@@ -0,0 +1,12 @@
+// PROPERTY_WRITE_COUNT: name=foo_61zpoe$ count=1
+// FILE: a.kt
+fun foo(x: String): String = x
+
+inline fun o() = foo("O")
+
+// FILE: b.kt
+inline fun k() = foo("K")
+
+// FILE: c.kt
+// RECOMPILE
+fun box() = o() + k()
\ No newline at end of file