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 90073f8b01b..48e2dd0726a 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
@@ -725,6 +725,15 @@ public final class DebugJsAstProtoBuf {
      */
     org.jetbrains.kotlin.serialization.js.ast.DebugJsAstProtoBuf.SideEffects getSideEffects();
 
+    /**
+     * <code>optional int32 local_alias = 5;</code>
+     */
+    boolean hasLocalAlias();
+    /**
+     * <code>optional int32 local_alias = 5;</code>
+     */
+    int getLocalAlias();
+
     /**
      * <code>optional int32 simple_name_reference = 22;</code>
      */
@@ -1068,6 +1077,11 @@ public final class DebugJsAstProtoBuf {
               }
               break;
             }
+            case 40: {
+              bitField0_ |= 0x00000010;
+              localAlias_ = input.readInt32();
+              break;
+            }
             case 176: {
               expressionCase_ = 22;
               expression_ = input.readInt32();
@@ -1484,6 +1498,21 @@ public final class DebugJsAstProtoBuf {
       return sideEffects_;
     }
 
+    public static final int LOCAL_ALIAS_FIELD_NUMBER = 5;
+    private int localAlias_;
+    /**
+     * <code>optional int32 local_alias = 5;</code>
+     */
+    public boolean hasLocalAlias() {
+      return ((bitField0_ & 0x00000010) == 0x00000010);
+    }
+    /**
+     * <code>optional int32 local_alias = 5;</code>
+     */
+    public int getLocalAlias() {
+      return localAlias_;
+    }
+
     public static final int SIMPLE_NAME_REFERENCE_FIELD_NUMBER = 22;
     /**
      * <code>optional int32 simple_name_reference = 22;</code>
@@ -1999,6 +2028,7 @@ public final class DebugJsAstProtoBuf {
       location_ = org.jetbrains.kotlin.serialization.js.ast.DebugJsAstProtoBuf.Location.getDefaultInstance();
       synthetic_ = false;
       sideEffects_ = org.jetbrains.kotlin.serialization.js.ast.DebugJsAstProtoBuf.SideEffects.AFFECTS_STATE;
+      localAlias_ = 0;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -2109,6 +2139,9 @@ public final class DebugJsAstProtoBuf {
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         output.writeEnum(4, sideEffects_.getNumber());
       }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeInt32(5, localAlias_);
+      }
       if (expressionCase_ == 22) {
         output.writeInt32(
             22, (int)((java.lang.Integer) expression_));
@@ -2201,6 +2234,10 @@ public final class DebugJsAstProtoBuf {
         size += org.jetbrains.kotlin.protobuf.CodedOutputStream
           .computeEnumSize(4, sideEffects_.getNumber());
       }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        size += org.jetbrains.kotlin.protobuf.CodedOutputStream
+          .computeInt32Size(5, localAlias_);
+      }
       if (expressionCase_ == 22) {
         size += org.jetbrains.kotlin.protobuf.CodedOutputStream
           .computeInt32Size(
@@ -2419,6 +2456,8 @@ public final class DebugJsAstProtoBuf {
         bitField0_ = (bitField0_ & ~0x00000004);
         sideEffects_ = org.jetbrains.kotlin.serialization.js.ast.DebugJsAstProtoBuf.SideEffects.AFFECTS_STATE;
         bitField0_ = (bitField0_ & ~0x00000008);
+        localAlias_ = 0;
+        bitField0_ = (bitField0_ & ~0x00000010);
         expressionCase_ = 0;
         expression_ = null;
         return this;
@@ -2469,6 +2508,10 @@ public final class DebugJsAstProtoBuf {
           to_bitField0_ |= 0x00000008;
         }
         result.sideEffects_ = sideEffects_;
+        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
+          to_bitField0_ |= 0x00000010;
+        }
+        result.localAlias_ = localAlias_;
         if (expressionCase_ == 22) {
           result.expression_ = expression_;
         }
@@ -2629,6 +2672,9 @@ public final class DebugJsAstProtoBuf {
         if (other.hasSideEffects()) {
           setSideEffects(other.getSideEffects());
         }
+        if (other.hasLocalAlias()) {
+          setLocalAlias(other.getLocalAlias());
+        }
         switch (other.getExpressionCase()) {
           case SIMPLE_NAME_REFERENCE: {
             setSimpleNameReference(other.getSimpleNameReference());
@@ -3059,6 +3105,38 @@ public final class DebugJsAstProtoBuf {
         return this;
       }
 
+      private int localAlias_ ;
+      /**
+       * <code>optional int32 local_alias = 5;</code>
+       */
+      public boolean hasLocalAlias() {
+        return ((bitField0_ & 0x00000010) == 0x00000010);
+      }
+      /**
+       * <code>optional int32 local_alias = 5;</code>
+       */
+      public int getLocalAlias() {
+        return localAlias_;
+      }
+      /**
+       * <code>optional int32 local_alias = 5;</code>
+       */
+      public Builder setLocalAlias(int value) {
+        bitField0_ |= 0x00000010;
+        localAlias_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional int32 local_alias = 5;</code>
+       */
+      public Builder clearLocalAlias() {
+        bitField0_ = (bitField0_ & ~0x00000010);
+        localAlias_ = 0;
+        onChanged();
+        return this;
+      }
+
       /**
        * <code>optional int32 simple_name_reference = 22;</code>
        */
@@ -48737,285 +48815,286 @@ public final class DebugJsAstProtoBuf {
       "\n\'js/js.serializer/src/js-ast.debug.prot" +
       "o\022)org.jetbrains.kotlin.serialization.js" +
       ".ast\"0\n\010Location\022\021\n\tstartLine\030\001 \002(\005\022\021\n\ts" +
-      "tartChar\030\002 \002(\005\"\261\r\n\nExpression\022\016\n\006fileId\030" +
+      "tartChar\030\002 \002(\005\"\306\r\n\nExpression\022\016\n\006fileId\030" +
       "\001 \001(\005\022E\n\010location\030\002 \001(\01323.org.jetbrains." +
       "kotlin.serialization.js.ast.Location\022\030\n\t" +
       "synthetic\030\003 \001(\010:\005false\022[\n\014side_effects\030\004" +
       " \001(\01626.org.jetbrains.kotlin.serializatio" +
-      "n.js.ast.SideEffects:\rAFFECTS_STATE\022\037\n\025s" +
-      "imple_name_reference\030\026 \001(\005H\000\022N\n\014this_lit",
-      "eral\030\027 \001(\01326.org.jetbrains.kotlin.serial" +
-      "ization.js.ast.ThisLiteralH\000\022N\n\014null_lit" +
-      "eral\030\030 \001(\01326.org.jetbrains.kotlin.serial" +
-      "ization.js.ast.NullLiteralH\000\022N\n\014true_lit" +
-      "eral\030\031 \001(\01326.org.jetbrains.kotlin.serial" +
-      "ization.js.ast.TrueLiteralH\000\022P\n\rfalse_li" +
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-      "lization.js.ast.FalseLiteralH\000\022\030\n\016string" +
-      "_literal\030\033 \001(\005H\000\022S\n\017reg_exp_literal\030\034 \001(" +
-      "\01328.org.jetbrains.kotlin.serialization.j",
-      "s.ast.RegExpLiteralH\000\022\025\n\013int_literal\030\035 \001" +
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-      "ct_literal\030  \001(\01328.org.jetbrains.kotlin." +
-      "serialization.js.ast.ObjectLiteralH\000\022G\n\010" +
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-      "tantiation\030* \001(\01328.org.jetbrains.kotlin." +
-      "serialization.js.ast.InstantiationH\000B\014\n\n" +
-      "expression\"\r\n\013ThisLiteral\"\r\n\013NullLiteral" +
-      "\"\r\n\013TrueLiteral\"\016\n\014FalseLiteral\"C\n\rRegEx" +
-      "pLiteral\022\031\n\021pattern_string_id\030\001 \002(\005\022\027\n\017f" +
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-      "element\030\001 \003(\01325.org.jetbrains.kotlin.ser" +
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-      "try\022\027\n\tmultiline\030\002 \001(\010:\004true\"\236\001\n\022ObjectL" +
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-      "\022\024\n\005local\030\004 \001(\010:\005false\">\n\tParameter\022\017\n\007n" +
-      "ame_id\030\001 \002(\005\022 \n\021has_default_value\030\002 \001(\010:" +
-      "\005false\"S\n\nDocComment\022E\n\003tag\030\001 \003(\01328.org." +
-      "jetbrains.kotlin.serialization.js.ast.Do" +
-      "cCommentTag\"\221\001\n\rDocCommentTag\022\017\n\007name_id" +
-      "\030\001 \002(\005\022\031\n\017value_string_id\030\002 \001(\005H\000\022K\n\nexp" +
-      "ression\030\003 \001(\01325.org.jetbrains.kotlin.ser",
-      "ialization.js.ast.ExpressionH\000B\007\n\005value\"" +
-      "\207\005\n\017BinaryOperation\022C\n\004left\030\001 \002(\01325.org." +
-      "jetbrains.kotlin.serialization.js.ast.Ex" +
-      "pression\022D\n\005right\030\002 \002(\01325.org.jetbrains." +
-      "kotlin.serialization.js.ast.Expression\022M" +
-      "\n\004type\030\003 \002(\0162?.org.jetbrains.kotlin.seri" +
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-      "\n\004Type\022\007\n\003MUL\020\001\022\007\n\003DIV\020\002\022\007\n\003MOD\020\003\022\007\n\003ADD" +
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-      "\036\022\013\n\007ASG_SHR\020\037\022\014\n\010ASG_SHRU\020 \022\017\n\013ASG_BIT_" +
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-      "\001 \002(\01325.org.jetbrains.kotlin.serializati" +
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-      ".jetbrains.kotlin.serialization.js.ast.U" +
-      "naryOperation.Type\022\017\n\007postfix\030\003 \002(\010\"b\n\004T" +
-      "ype\022\013\n\007BIT_NOT\020\001\022\007\n\003DEC\020\002\022\n\n\006DELETE\020\003\022\007\n" +
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-      "EOF\020\010\022\010\n\004VOID\020\t\"\375\001\n\013Conditional\022N\n\017test_" +
-      "expression\030\001 \002(\01325.org.jetbrains.kotlin." +
-      "serialization.js.ast.Expression\022N\n\017then_" +
-      "expression\030\002 \002(\01325.org.jetbrains.kotlin." +
-      "serialization.js.ast.Expression\022N\n\017else_" +
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-      "serialization.js.ast.Expression\"\231\001\n\013Arra" +
-      "yAccess\022D\n\005array\030\001 \002(\01325.org.jetbrains.k" +
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-      "alization.js.ast.InlineStrategy:\nNOT_INL" +
-      "INE\"\377\001\n\nInvocation\022H\n\tqualifier\030\001 \002(\01325." +
+      "n.js.ast.SideEffects:\rAFFECTS_STATE\022\023\n\013l" +
+      "ocal_alias\030\005 \001(\005\022\037\n\025simple_name_referenc",
+      "e\030\026 \001(\005H\000\022N\n\014this_literal\030\027 \001(\01326.org.je" +
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+      "nceH\000\022Z\n\022property_reference\030( \001(\0132<.org." +
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+      "\002GT\020\013\022\007\n\003GTE\020\014\022\016\n\nINSTANCEOF\020\r\022\006\n\002IN\020\016\022\006" +
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+      "\n\tcondition\030\001 \002(\01325.org.jetbrains.kotlin" +
+      ".serialization.js.ast.Expression\022B\n\004body" +
+      "\030\002 \002(\01324.org.jetbrains.kotlin.serializat" +
+      "ion.js.ast.Statement\"\227\001\n\007DoWhile\022H\n\tcond" +
+      "ition\030\001 \002(\01325.org.jetbrains.kotlin.seria" +
+      "lization.js.ast.Expression\022B\n\004body\030\002 \002(\013" +
+      "24.org.jetbrains.kotlin.serialization.js" +
+      ".ast.Statement\"\304\003\n\003For\022I\n\tvariables\030\001 \001(",
+      "\01324.org.jetbrains.kotlin.serialization.j" +
+      "s.ast.StatementH\000\022K\n\nexpression\030\002 \001(\01325." +
+      "org.jetbrains.kotlin.serialization.js.as" +
+      "t.ExpressionH\000\022E\n\005empty\030\003 \001(\01324.org.jetb" +
+      "rains.kotlin.serialization.js.ast.EmptyI" +
+      "nitH\000\022H\n\tcondition\030\004 \001(\01325.org.jetbrains" +
+      ".kotlin.serialization.js.ast.Expression\022" +
+      "H\n\tincrement\030\005 \001(\01325.org.jetbrains.kotli" +
+      "n.serialization.js.ast.Expression\022B\n\004bod" +
+      "y\030\006 \002(\01324.org.jetbrains.kotlin.serializa",
+      "tion.js.ast.StatementB\006\n\004init\"\013\n\tEmptyIn" +
+      "it\"\374\001\n\005ForIn\022\020\n\006nameId\030\001 \001(\005H\000\022K\n\nexpres" +
+      "sion\030\002 \001(\01325.org.jetbrains.kotlin.serial" +
+      "ization.js.ast.ExpressionH\000\022G\n\010iterable\030" +
+      "\003 \002(\01325.org.jetbrains.kotlin.serializati" +
+      "on.js.ast.Expression\022B\n\004body\030\004 \002(\01324.org" +
+      ".jetbrains.kotlin.serialization.js.ast.S" +
+      "tatementB\007\n\005value\"\337\001\n\003Try\022F\n\010tryBlock\030\001 " +
+      "\002(\01324.org.jetbrains.kotlin.serialization" +
+      ".js.ast.Statement\022D\n\ncatchBlock\030\002 \001(\01320.",
+      "org.jetbrains.kotlin.serialization.js.as" +
+      "t.Catch\022J\n\014finallyBlock\030\003 \001(\01324.org.jetb" +
+      "rains.kotlin.serialization.js.ast.Statem" +
+      "ent\"\224\001\n\005Catch\022G\n\tparameter\030\001 \002(\01324.org.j" +
+      "etbrains.kotlin.serialization.js.ast.Par" +
+      "ameter\022B\n\004body\030\002 \002(\01324.org.jetbrains.kot" +
+      "lin.serialization.js.ast.Statement\"\007\n\005Em" +
+      "pty\"\327\005\n\010Fragment\022R\n\017imported_module\030\001 \003(" +
+      "\01329.org.jetbrains.kotlin.serialization.j" +
+      "s.ast.ImportedModule\022G\n\014import_entry\030\002 \003",
+      "(\01321.org.jetbrains.kotlin.serialization." +
+      "js.ast.Import\022Q\n\021declaration_block\030\003 \001(\013" +
+      "26.org.jetbrains.kotlin.serialization.js" +
+      ".ast.GlobalBlock\022L\n\014export_block\030\004 \001(\01326" +
+      ".org.jetbrains.kotlin.serialization.js.a" +
+      "st.GlobalBlock\022Q\n\021initializer_block\030\005 \001(" +
+      "\01326.org.jetbrains.kotlin.serialization.j" +
+      "s.ast.GlobalBlock\022L\n\014name_binding\030\006 \003(\0132" +
+      "6.org.jetbrains.kotlin.serialization.js." +
+      "ast.NameBinding\022J\n\013class_model\030\007 \003(\01325.o",
+      "rg.jetbrains.kotlin.serialization.js.ast" +
+      ".ClassModel\022P\n\021module_expression\030\010 \003(\01325" +
+      ".org.jetbrains.kotlin.serialization.js.a" +
+      "st.Expression\022N\n\rinline_module\030\t \003(\01327.o" +
+      "rg.jetbrains.kotlin.serialization.js.ast" +
+      ".InlineModule\"\224\001\n\016ImportedModule\022\030\n\020exte" +
+      "rnal_name_id\030\001 \002(\005\022\030\n\020internal_name_id\030\002" +
+      " \002(\005\022N\n\017plain_reference\030\003 \001(\01325.org.jetb" +
+      "rains.kotlin.serialization.js.ast.Expres" +
+      "sion\"i\n\006Import\022\024\n\014signature_id\030\001 \002(\005\022I\n\n",
+      "expression\030\002 \002(\01325.org.jetbrains.kotlin." +
+      "serialization.js.ast.Expression\"3\n\013NameB" +
+      "inding\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\r" +
+      "super_name_id\030\002 \001(\005\022V\n\026post_declaration_" +
+      "block\030\003 \001(\01326.org.jetbrains.kotlin.seria" +
+      "lization.js.ast.GlobalBlock\";\n\014InlineMod" +
+      "ule\022\024\n\014signature_id\030\001 \002(\005\022\025\n\rexpression_" +
+      "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.jetbrai",
+      "ns.kotlin.serialization.js.ast.Name\"D\n\004N" +
+      "ame\022\021\n\ttemporary\030\001 \002(\010\022\022\n\nidentifier\030\002 \001" +
+      "(\005\022\025\n\rlocal_name_id\030\003 \001(\005\"\346\001\n\005Chunk\022L\n\014s" +
+      "tring_table\030\001 \002(\01326.org.jetbrains.kotlin" +
+      ".serialization.js.ast.StringTable\022H\n\nnam" +
+      "e_table\030\002 \002(\01324.org.jetbrains.kotlin.ser" +
+      "ialization.js.ast.NameTable\022E\n\010fragment\030" +
+      "\003 \002(\01323.org.jetbrains.kotlin.serializati" +
+      "on.js.ast.Fragment*@\n\013SideEffects\022\021\n\rAFF" +
+      "ECTS_STATE\020\001\022\024\n\020DEPENDS_ON_STATE\020\002\022\010\n\004PU",
+      "RE\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\022DebugJs" +
+      "AstProtoBuf"
     };
     org.jetbrains.kotlin.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
         new org.jetbrains.kotlin.protobuf.Descriptors.FileDescriptor.    InternalDescriptorAssigner() {
@@ -49040,7 +49119,7 @@ public final class DebugJsAstProtoBuf {
     internal_static_org_jetbrains_kotlin_serialization_js_ast_Expression_fieldAccessorTable = new
       org.jetbrains.kotlin.protobuf.GeneratedMessage.FieldAccessorTable(
         internal_static_org_jetbrains_kotlin_serialization_js_ast_Expression_descriptor,
-        new java.lang.String[] { "FileId", "Location", "Synthetic", "SideEffects", "SimpleNameReference", "ThisLiteral", "NullLiteral", "TrueLiteral", "FalseLiteral", "StringLiteral", "RegExpLiteral", "IntLiteral", "DoubleLiteral", "ArrayLiteral", "ObjectLiteral", "Function", "DocComment", "Binary", "Unary", "Conditional", "ArrayAccess", "NameReference", "PropertyReference", "Invocation", "Instantiation", "Expression", });
+        new java.lang.String[] { "FileId", "Location", "Synthetic", "SideEffects", "LocalAlias", "SimpleNameReference", "ThisLiteral", "NullLiteral", "TrueLiteral", "FalseLiteral", "StringLiteral", "RegExpLiteral", "IntLiteral", "DoubleLiteral", "ArrayLiteral", "ObjectLiteral", "Function", "DocComment", "Binary", "Unary", "Conditional", "ArrayAccess", "NameReference", "PropertyReference", "Invocation", "Instantiation", "Expression", });
     internal_static_org_jetbrains_kotlin_serialization_js_ast_ThisLiteral_descriptor =
       getDescriptor().getMessageTypes().get(2);
     internal_static_org_jetbrains_kotlin_serialization_js_ast_ThisLiteral_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 8eef1365446..905ff62a09d 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
@@ -31,6 +31,8 @@ var JsName.descriptor: DeclarationDescriptor? by MetadataProperty(default = null
 
 var JsName.localAlias: JsName? by MetadataProperty(default = null)
 
+var JsExpression.localAlias: JsName? by MetadataProperty(default = null)
+
 // TODO: move this to module 'js.inliner' and change dependency on 'frontend' to dependency on 'descriptors'
 var JsInvocation.inlineStrategy: InlineStrategy? by MetadataProperty(default = null)
 
diff --git a/js/js.inliner/src/org/jetbrains/kotlin/js/inline/JsInliner.java b/js/js.inliner/src/org/jetbrains/kotlin/js/inline/JsInliner.java
index b0dc220c932..f25a2956b4f 100644
--- a/js/js.inliner/src/org/jetbrains/kotlin/js/inline/JsInliner.java
+++ b/js/js.inliner/src/org/jetbrains/kotlin/js/inline/JsInliner.java
@@ -389,6 +389,10 @@ public class JsInliner extends JsVisitorWithContextImpl {
             if (statement instanceof JsReturn) continue;
 
             statement = statement.deepCopy();
+            if (inlineFunctionDepth == 0) {
+                replaceExpressionsWithLocalAliases(statement);
+            }
+
             if (statement instanceof JsVars) {
                 JsVars jsVars = (JsVars) statement;
                 String tag = getImportTag(jsVars);
@@ -443,6 +447,28 @@ public class JsInliner extends JsVisitorWithContextImpl {
         }
     }
 
+    private static void replaceExpressionsWithLocalAliases(@NotNull JsStatement statement) {
+        new JsVisitorWithContextImpl() {
+            @Override
+            public void endVisit(@NotNull JsNameRef x, @NotNull JsContext ctx) {
+                replaceIfNecessary(x, ctx);
+            }
+
+            @Override
+            public void endVisit(@NotNull JsArrayAccess x, @NotNull JsContext ctx) {
+                replaceIfNecessary(x, ctx);
+            }
+
+            private void replaceIfNecessary(@NotNull JsExpression expression, @NotNull JsContext context) {
+                JsName alias = MetadataProperties.getLocalAlias(expression);
+                if (alias != null) {
+                    context.replaceMe(alias.makeRef());
+                }
+            }
+
+        }.accept(statement);
+    }
+
     private static boolean isSuspendWithCurrentContinuation(@Nullable DeclarationDescriptor descriptor) {
         if (!(descriptor instanceof FunctionDescriptor)) return false;
         return CommonCoroutineCodegenUtilKt.isBuiltInSuspendCoroutineOrReturn((FunctionDescriptor) descriptor.getOriginal());
@@ -497,9 +523,11 @@ public class JsInliner extends JsVisitorWithContextImpl {
                 return false;
             }
             sb.append(".");
-            if (!extractImportTagImpl(arrayAccess.getIndexExpression(), sb)) {
+            if (!(arrayAccess.getIndexExpression() instanceof JsStringLiteral)) {
                 return false;
             }
+            JsStringLiteral stringLiteral = (JsStringLiteral) arrayAccess.getIndexExpression();
+            sb.append(JsToStringGenerationVisitor.javaScriptString(stringLiteral.getValue()));
             return true;
         }
         else {
diff --git a/js/js.serializer/src/js-ast.proto b/js/js.serializer/src/js-ast.proto
index bff71c54a11..a05d4a8e4e9 100644
--- a/js/js.serializer/src/js-ast.proto
+++ b/js/js.serializer/src/js-ast.proto
@@ -40,6 +40,7 @@ message Expression {
     optional Location location = 2;
     optional bool synthetic = 3 [default = false];
     optional SideEffects side_effects = 4 [default = AFFECTS_STATE];
+    optional int32 local_alias = 5;
 
     oneof expression {
         int32 simple_name_reference = 22;
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 508fac0ac8f..3f7884ff6ff 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
@@ -262,6 +262,9 @@ class JsAstDeserializer(program: JsProgram, private val sourceRoots: Iterable<Fi
         )
         expression.synthetic = proto.synthetic
         expression.sideEffects = map(proto.sideEffects)
+        if (proto.hasLocalAlias()) {
+            expression.localAlias = deserializeName(proto.localAlias)
+        }
         return expression
     }
 
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 a3c0293b37b..7c9afda24d5 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
@@ -624,6 +624,15 @@ public final class JsAstProtoBuf {
      */
     org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.SideEffects getSideEffects();
 
+    /**
+     * <code>optional int32 local_alias = 5;</code>
+     */
+    boolean hasLocalAlias();
+    /**
+     * <code>optional int32 local_alias = 5;</code>
+     */
+    int getLocalAlias();
+
     /**
      * <code>optional int32 simple_name_reference = 22;</code>
      */
@@ -898,6 +907,11 @@ public final class JsAstProtoBuf {
               }
               break;
             }
+            case 40: {
+              bitField0_ |= 0x00000010;
+              localAlias_ = input.readInt32();
+              break;
+            }
             case 176: {
               expressionCase_ = 22;
               expression_ = input.readInt32();
@@ -1302,6 +1316,21 @@ public final class JsAstProtoBuf {
       return sideEffects_;
     }
 
+    public static final int LOCAL_ALIAS_FIELD_NUMBER = 5;
+    private int localAlias_;
+    /**
+     * <code>optional int32 local_alias = 5;</code>
+     */
+    public boolean hasLocalAlias() {
+      return ((bitField0_ & 0x00000010) == 0x00000010);
+    }
+    /**
+     * <code>optional int32 local_alias = 5;</code>
+     */
+    public int getLocalAlias() {
+      return localAlias_;
+    }
+
     public static final int SIMPLE_NAME_REFERENCE_FIELD_NUMBER = 22;
     /**
      * <code>optional int32 simple_name_reference = 22;</code>
@@ -1664,6 +1693,7 @@ public final class JsAstProtoBuf {
       location_ = org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Location.getDefaultInstance();
       synthetic_ = false;
       sideEffects_ = org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.SideEffects.AFFECTS_STATE;
+      localAlias_ = 0;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -1774,6 +1804,9 @@ public final class JsAstProtoBuf {
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         output.writeEnum(4, sideEffects_.getNumber());
       }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeInt32(5, localAlias_);
+      }
       if (expressionCase_ == 22) {
         output.writeInt32(
             22, (int)((java.lang.Integer) expression_));
@@ -1866,6 +1899,10 @@ public final class JsAstProtoBuf {
         size += org.jetbrains.kotlin.protobuf.CodedOutputStream
           .computeEnumSize(4, sideEffects_.getNumber());
       }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        size += org.jetbrains.kotlin.protobuf.CodedOutputStream
+          .computeInt32Size(5, localAlias_);
+      }
       if (expressionCase_ == 22) {
         size += org.jetbrains.kotlin.protobuf.CodedOutputStream
           .computeInt32Size(
@@ -2056,6 +2093,8 @@ public final class JsAstProtoBuf {
         bitField0_ = (bitField0_ & ~0x00000004);
         sideEffects_ = org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.SideEffects.AFFECTS_STATE;
         bitField0_ = (bitField0_ & ~0x00000008);
+        localAlias_ = 0;
+        bitField0_ = (bitField0_ & ~0x00000010);
         expressionCase_ = 0;
         expression_ = null;
         return this;
@@ -2097,6 +2136,10 @@ public final class JsAstProtoBuf {
           to_bitField0_ |= 0x00000008;
         }
         result.sideEffects_ = sideEffects_;
+        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
+          to_bitField0_ |= 0x00000010;
+        }
+        result.localAlias_ = localAlias_;
         if (expressionCase_ == 22) {
           result.expression_ = expression_;
         }
@@ -2179,6 +2222,9 @@ public final class JsAstProtoBuf {
         if (other.hasSideEffects()) {
           setSideEffects(other.getSideEffects());
         }
+        if (other.hasLocalAlias()) {
+          setLocalAlias(other.getLocalAlias());
+        }
         switch (other.getExpressionCase()) {
           case SIMPLE_NAME_REFERENCE: {
             setSimpleNameReference(other.getSimpleNameReference());
@@ -2553,6 +2599,38 @@ public final class JsAstProtoBuf {
         return this;
       }
 
+      private int localAlias_ ;
+      /**
+       * <code>optional int32 local_alias = 5;</code>
+       */
+      public boolean hasLocalAlias() {
+        return ((bitField0_ & 0x00000010) == 0x00000010);
+      }
+      /**
+       * <code>optional int32 local_alias = 5;</code>
+       */
+      public int getLocalAlias() {
+        return localAlias_;
+      }
+      /**
+       * <code>optional int32 local_alias = 5;</code>
+       */
+      public Builder setLocalAlias(int value) {
+        bitField0_ |= 0x00000010;
+        localAlias_ = value;
+        
+        return this;
+      }
+      /**
+       * <code>optional int32 local_alias = 5;</code>
+       */
+      public Builder clearLocalAlias() {
+        bitField0_ = (bitField0_ & ~0x00000010);
+        localAlias_ = 0;
+        
+        return this;
+      }
+
       /**
        * <code>optional int32 simple_name_reference = 22;</code>
        */
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 ed82930e078..da8e75a3e82 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
@@ -435,6 +435,7 @@ class JsAstSerializer(private val pathResolver: (File) -> String) {
         with (visitor.builder) {
             synthetic = expression.synthetic
             sideEffects = map(expression.sideEffects)
+            expression.localAlias?.let { localAlias = serialize(it) }
         }
 
         return visitor.builder.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 95b214a48da..76733085cdd 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
@@ -4748,6 +4748,12 @@ public class BoxJsTestGenerated extends AbstractBoxJsTest {
             doTest(fileName);
         }
 
+        @TestMetadata("inlineableAliasForExternalDeclaration.kt")
+        public void testInlineableAliasForExternalDeclaration() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/inlineMultiModule/inlineableAliasForExternalDeclaration.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("internalNameClash.kt")
         public void testInternalNameClash() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/box/inlineMultiModule/internalNameClash.kt");
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 bb3884c029a..d9fc0a284c2 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
@@ -850,6 +850,7 @@ public final class StaticContext {
                 MetadataProperties.setSideEffects(moduleRef, SideEffectKind.PURE);
                 lhsModuleRef = new JsArrayAccess(currentImports, new JsStringLiteral(moduleId));
             }
+            MetadataProperties.setLocalAlias(moduleRef, moduleName);
 
             JsExpressionStatement importStmt = new JsExpressionStatement(JsAstUtils.assignment(lhsModuleRef, moduleName.makeRef()));
             MetadataProperties.setExportedTag(importStmt, "imports:" + moduleId);
diff --git a/js/js.translator/testData/box/inlineMultiModule/inlineableAliasForExternalDeclaration.kt b/js/js.translator/testData/box/inlineMultiModule/inlineableAliasForExternalDeclaration.kt
new file mode 100644
index 00000000000..16afe4aa3c7
--- /dev/null
+++ b/js/js.translator/testData/box/inlineMultiModule/inlineableAliasForExternalDeclaration.kt
@@ -0,0 +1,11 @@
+// MODULE: lib
+// FILE: lib.kt
+fun foo() = "OK"
+
+// MODULE: main(lib)
+// FILE: main1.kt
+inline fun bar() = foo()
+
+// FILE: main2.kt
+// RECOMPILE
+fun box() = bar()