diff --git a/compiler/tests/org/jetbrains/kotlin/serialization/DebugProtoBuf.java b/compiler/tests/org/jetbrains/kotlin/serialization/DebugProtoBuf.java
index 50072cf2390..c439103e9b9 100644
--- a/compiler/tests/org/jetbrains/kotlin/serialization/DebugProtoBuf.java
+++ b/compiler/tests/org/jetbrains/kotlin/serialization/DebugProtoBuf.java
@@ -9448,6 +9448,31 @@ public final class DebugProtoBuf {
      * </pre>
      */
     org.jetbrains.kotlin.serialization.DebugProtoBuf.Class.PrimaryConstructorOrBuilder getPrimaryConstructorOrBuilder();
+
+    // repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    java.util.List<org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable> 
+        getSecondaryConstructorList();
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable getSecondaryConstructor(int index);
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    int getSecondaryConstructorCount();
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    java.util.List<? extends org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder> 
+        getSecondaryConstructorOrBuilderList();
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder getSecondaryConstructorOrBuilder(
+        int index);
   }
   /**
    * Protobuf type {@code org.jetbrains.kotlin.serialization.Class}
@@ -9594,6 +9619,14 @@ public final class DebugProtoBuf {
               bitField0_ |= 0x00000008;
               break;
             }
+            case 114: {
+              if (!((mutable_bitField0_ & 0x00000200) == 0x00000200)) {
+                secondaryConstructor_ = new java.util.ArrayList<org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable>();
+                mutable_bitField0_ |= 0x00000200;
+              }
+              secondaryConstructor_.add(input.readMessage(org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.PARSER, extensionRegistry));
+              break;
+            }
           }
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -9617,6 +9650,9 @@ public final class DebugProtoBuf {
         if (((mutable_bitField0_ & 0x00000080) == 0x00000080)) {
           enumEntry_ = java.util.Collections.unmodifiableList(enumEntry_);
         }
+        if (((mutable_bitField0_ & 0x00000200) == 0x00000200)) {
+          secondaryConstructor_ = java.util.Collections.unmodifiableList(secondaryConstructor_);
+        }
         this.unknownFields = unknownFields.build();
         makeExtensionsImmutable();
       }
@@ -10655,6 +10691,42 @@ public final class DebugProtoBuf {
       return primaryConstructor_;
     }
 
+    // repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;
+    public static final int SECONDARY_CONSTRUCTOR_FIELD_NUMBER = 14;
+    private java.util.List<org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable> secondaryConstructor_;
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public java.util.List<org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable> getSecondaryConstructorList() {
+      return secondaryConstructor_;
+    }
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public java.util.List<? extends org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder> 
+        getSecondaryConstructorOrBuilderList() {
+      return secondaryConstructor_;
+    }
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public int getSecondaryConstructorCount() {
+      return secondaryConstructor_.size();
+    }
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable getSecondaryConstructor(int index) {
+      return secondaryConstructor_.get(index);
+    }
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder getSecondaryConstructorOrBuilder(
+        int index) {
+      return secondaryConstructor_.get(index);
+    }
+
     private void initFields() {
       flags_ = 0;
       fqName_ = 0;
@@ -10665,6 +10737,7 @@ public final class DebugProtoBuf {
       member_ = java.util.Collections.emptyList();
       enumEntry_ = java.util.Collections.emptyList();
       primaryConstructor_ = org.jetbrains.kotlin.serialization.DebugProtoBuf.Class.PrimaryConstructor.getDefaultInstance();
+      secondaryConstructor_ = java.util.Collections.emptyList();
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -10699,6 +10772,12 @@ public final class DebugProtoBuf {
           return false;
         }
       }
+      for (int i = 0; i < getSecondaryConstructorCount(); i++) {
+        if (!getSecondaryConstructor(i).isInitialized()) {
+          memoizedIsInitialized = 0;
+          return false;
+        }
+      }
       if (!extensionsAreInitialized()) {
         memoizedIsInitialized = 0;
         return false;
@@ -10740,6 +10819,9 @@ public final class DebugProtoBuf {
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         output.writeMessage(13, primaryConstructor_);
       }
+      for (int i = 0; i < secondaryConstructor_.size(); i++) {
+        output.writeMessage(14, secondaryConstructor_.get(i));
+      }
       extensionWriter.writeUntil(200, output);
       getUnknownFields().writeTo(output);
     }
@@ -10796,6 +10878,10 @@ public final class DebugProtoBuf {
         size += com.google.protobuf.CodedOutputStream
           .computeMessageSize(13, primaryConstructor_);
       }
+      for (int i = 0; i < secondaryConstructor_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(14, secondaryConstructor_.get(i));
+      }
       size += extensionsSerializedSize();
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
@@ -10909,6 +10995,7 @@ public final class DebugProtoBuf {
           getSupertypeFieldBuilder();
           getMemberFieldBuilder();
           getPrimaryConstructorFieldBuilder();
+          getSecondaryConstructorFieldBuilder();
         }
       }
       private static Builder create() {
@@ -10951,6 +11038,12 @@ public final class DebugProtoBuf {
           primaryConstructorBuilder_.clear();
         }
         bitField0_ = (bitField0_ & ~0x00000100);
+        if (secondaryConstructorBuilder_ == null) {
+          secondaryConstructor_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000200);
+        } else {
+          secondaryConstructorBuilder_.clear();
+        }
         return this;
       }
 
@@ -11036,6 +11129,15 @@ public final class DebugProtoBuf {
         } else {
           result.primaryConstructor_ = primaryConstructorBuilder_.build();
         }
+        if (secondaryConstructorBuilder_ == null) {
+          if (((bitField0_ & 0x00000200) == 0x00000200)) {
+            secondaryConstructor_ = java.util.Collections.unmodifiableList(secondaryConstructor_);
+            bitField0_ = (bitField0_ & ~0x00000200);
+          }
+          result.secondaryConstructor_ = secondaryConstructor_;
+        } else {
+          result.secondaryConstructor_ = secondaryConstructorBuilder_.build();
+        }
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
@@ -11162,6 +11264,32 @@ public final class DebugProtoBuf {
         if (other.hasPrimaryConstructor()) {
           mergePrimaryConstructor(other.getPrimaryConstructor());
         }
+        if (secondaryConstructorBuilder_ == null) {
+          if (!other.secondaryConstructor_.isEmpty()) {
+            if (secondaryConstructor_.isEmpty()) {
+              secondaryConstructor_ = other.secondaryConstructor_;
+              bitField0_ = (bitField0_ & ~0x00000200);
+            } else {
+              ensureSecondaryConstructorIsMutable();
+              secondaryConstructor_.addAll(other.secondaryConstructor_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.secondaryConstructor_.isEmpty()) {
+            if (secondaryConstructorBuilder_.isEmpty()) {
+              secondaryConstructorBuilder_.dispose();
+              secondaryConstructorBuilder_ = null;
+              secondaryConstructor_ = other.secondaryConstructor_;
+              bitField0_ = (bitField0_ & ~0x00000200);
+              secondaryConstructorBuilder_ = 
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
+                   getSecondaryConstructorFieldBuilder() : null;
+            } else {
+              secondaryConstructorBuilder_.addAllMessages(other.secondaryConstructor_);
+            }
+          }
+        }
         this.mergeExtensionFields(other);
         this.mergeUnknownFields(other.getUnknownFields());
         return this;
@@ -11196,6 +11324,12 @@ public final class DebugProtoBuf {
             return false;
           }
         }
+        for (int i = 0; i < getSecondaryConstructorCount(); i++) {
+          if (!getSecondaryConstructor(i).isInitialized()) {
+            
+            return false;
+          }
+        }
         if (!extensionsAreInitialized()) {
           
           return false;
@@ -12413,6 +12547,246 @@ public final class DebugProtoBuf {
         return primaryConstructorBuilder_;
       }
 
+      // repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;
+      private java.util.List<org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable> secondaryConstructor_ =
+        java.util.Collections.emptyList();
+      private void ensureSecondaryConstructorIsMutable() {
+        if (!((bitField0_ & 0x00000200) == 0x00000200)) {
+          secondaryConstructor_ = new java.util.ArrayList<org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable>(secondaryConstructor_);
+          bitField0_ |= 0x00000200;
+         }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+          org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable, org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder, org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder> secondaryConstructorBuilder_;
+
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public java.util.List<org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable> getSecondaryConstructorList() {
+        if (secondaryConstructorBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(secondaryConstructor_);
+        } else {
+          return secondaryConstructorBuilder_.getMessageList();
+        }
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public int getSecondaryConstructorCount() {
+        if (secondaryConstructorBuilder_ == null) {
+          return secondaryConstructor_.size();
+        } else {
+          return secondaryConstructorBuilder_.getCount();
+        }
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable getSecondaryConstructor(int index) {
+        if (secondaryConstructorBuilder_ == null) {
+          return secondaryConstructor_.get(index);
+        } else {
+          return secondaryConstructorBuilder_.getMessage(index);
+        }
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder setSecondaryConstructor(
+          int index, org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable value) {
+        if (secondaryConstructorBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSecondaryConstructorIsMutable();
+          secondaryConstructor_.set(index, value);
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder setSecondaryConstructor(
+          int index, org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder builderForValue) {
+        if (secondaryConstructorBuilder_ == null) {
+          ensureSecondaryConstructorIsMutable();
+          secondaryConstructor_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addSecondaryConstructor(org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable value) {
+        if (secondaryConstructorBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSecondaryConstructorIsMutable();
+          secondaryConstructor_.add(value);
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.addMessage(value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addSecondaryConstructor(
+          int index, org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable value) {
+        if (secondaryConstructorBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSecondaryConstructorIsMutable();
+          secondaryConstructor_.add(index, value);
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addSecondaryConstructor(
+          org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder builderForValue) {
+        if (secondaryConstructorBuilder_ == null) {
+          ensureSecondaryConstructorIsMutable();
+          secondaryConstructor_.add(builderForValue.build());
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addSecondaryConstructor(
+          int index, org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder builderForValue) {
+        if (secondaryConstructorBuilder_ == null) {
+          ensureSecondaryConstructorIsMutable();
+          secondaryConstructor_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addAllSecondaryConstructor(
+          java.lang.Iterable<? extends org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable> values) {
+        if (secondaryConstructorBuilder_ == null) {
+          ensureSecondaryConstructorIsMutable();
+          super.addAll(values, secondaryConstructor_);
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder clearSecondaryConstructor() {
+        if (secondaryConstructorBuilder_ == null) {
+          secondaryConstructor_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000200);
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.clear();
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder removeSecondaryConstructor(int index) {
+        if (secondaryConstructorBuilder_ == null) {
+          ensureSecondaryConstructorIsMutable();
+          secondaryConstructor_.remove(index);
+          onChanged();
+        } else {
+          secondaryConstructorBuilder_.remove(index);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder getSecondaryConstructorBuilder(
+          int index) {
+        return getSecondaryConstructorFieldBuilder().getBuilder(index);
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder getSecondaryConstructorOrBuilder(
+          int index) {
+        if (secondaryConstructorBuilder_ == null) {
+          return secondaryConstructor_.get(index);  } else {
+          return secondaryConstructorBuilder_.getMessageOrBuilder(index);
+        }
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public java.util.List<? extends org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder> 
+           getSecondaryConstructorOrBuilderList() {
+        if (secondaryConstructorBuilder_ != null) {
+          return secondaryConstructorBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(secondaryConstructor_);
+        }
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder addSecondaryConstructorBuilder() {
+        return getSecondaryConstructorFieldBuilder().addBuilder(
+            org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.getDefaultInstance());
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder addSecondaryConstructorBuilder(
+          int index) {
+        return getSecondaryConstructorFieldBuilder().addBuilder(
+            index, org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.getDefaultInstance());
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public java.util.List<org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder> 
+           getSecondaryConstructorBuilderList() {
+        return getSecondaryConstructorFieldBuilder().getBuilderList();
+      }
+      private com.google.protobuf.RepeatedFieldBuilder<
+          org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable, org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder, org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder> 
+          getSecondaryConstructorFieldBuilder() {
+        if (secondaryConstructorBuilder_ == null) {
+          secondaryConstructorBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
+              org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable, org.jetbrains.kotlin.serialization.DebugProtoBuf.Callable.Builder, org.jetbrains.kotlin.serialization.DebugProtoBuf.CallableOrBuilder>(
+                  secondaryConstructor_,
+                  ((bitField0_ & 0x00000200) == 0x00000200),
+                  getParentForChildren(),
+                  isClean());
+          secondaryConstructor_ = null;
+        }
+        return secondaryConstructorBuilder_;
+      }
+
       // @@protoc_insertion_point(builder_scope:org.jetbrains.kotlin.serialization.Class)
     }
 
@@ -16594,7 +16968,7 @@ public final class DebugProtoBuf {
       "brains.kotlin.serialization.TypeParamete" +
       "r.Variance:\003INV\022=\n\013upper_bound\030\005 \003(\0132(.o",
       "rg.jetbrains.kotlin.serialization.Type\"$" +
-      "\n\010Variance\022\006\n\002IN\020\000\022\007\n\003OUT\020\001\022\007\n\003INV\020\002\"\342\004\n" +
+      "\n\010Variance\022\006\n\002IN\020\000\022\007\n\003OUT\020\001\022\007\n\003INV\020\002\"\257\005\n" +
       "\005Class\022\020\n\005flags\030\001 \001(\005:\0010\022\017\n\007fq_name\030\003 \002(" +
       "\005\022\033\n\023default_object_name\030\004 \001(\005\022I\n\016type_p" +
       "arameter\030\005 \003(\01321.org.jetbrains.kotlin.se" +
@@ -16605,36 +16979,37 @@ public final class DebugProtoBuf {
       "zation.Callable\022\022\n\nenum_entry\030\014 \003(\005\022Y\n\023p",
       "rimary_constructor\030\r \001(\0132<.org.jetbrains" +
       ".kotlin.serialization.Class.PrimaryConst" +
-      "ructor\032P\n\022PrimaryConstructor\022:\n\004data\030\001 \001" +
-      "(\0132,.org.jetbrains.kotlin.serialization." +
-      "Callable\"p\n\004Kind\022\t\n\005CLASS\020\000\022\t\n\005TRAIT\020\001\022\016" +
-      "\n\nENUM_CLASS\020\002\022\016\n\nENUM_ENTRY\020\003\022\024\n\020ANNOTA" +
-      "TION_CLASS\020\004\022\n\n\006OBJECT\020\005\022\020\n\014CLASS_OBJECT" +
-      "\020\006*\005\010d\020\310\001\"N\n\007Package\022<\n\006member\030\001 \003(\0132,.o" +
-      "rg.jetbrains.kotlin.serialization.Callab" +
-      "le*\005\010d\020\310\001\"\300\005\n\010Callable\022\r\n\005flags\030\001 \001(\005\022\024\n",
-      "\014getter_flags\030\t \001(\005\022\024\n\014setter_flags\030\n \001(" +
-      "\005\022I\n\016type_parameter\030\004 \003(\01321.org.jetbrain" +
-      "s.kotlin.serialization.TypeParameter\022?\n\r" +
-      "receiver_type\030\005 \001(\0132(.org.jetbrains.kotl" +
-      "in.serialization.Type\022\014\n\004name\030\006 \002(\005\022T\n\017v" +
-      "alue_parameter\030\007 \003(\0132;.org.jetbrains.kot" +
-      "lin.serialization.Callable.ValueParamete" +
-      "r\022=\n\013return_type\030\010 \002(\0132(.org.jetbrains.k" +
-      "otlin.serialization.Type\032\263\001\n\016ValueParame" +
-      "ter\022\r\n\005flags\030\001 \001(\005\022\014\n\004name\030\002 \002(\005\0226\n\004type",
-      "\030\003 \002(\0132(.org.jetbrains.kotlin.serializat" +
-      "ion.Type\022E\n\023vararg_element_type\030\004 \001(\0132(." +
-      "org.jetbrains.kotlin.serialization.Type*" +
-      "\005\010d\020\310\001\"Q\n\nMemberKind\022\017\n\013DECLARATION\020\000\022\021\n" +
-      "\rFAKE_OVERRIDE\020\001\022\016\n\nDELEGATION\020\002\022\017\n\013SYNT" +
-      "HESIZED\020\003\":\n\014CallableKind\022\007\n\003FUN\020\000\022\007\n\003VA" +
-      "L\020\001\022\007\n\003VAR\020\002\022\017\n\013CONSTRUCTOR\020\003*\005\010d\020\310\001*-\n\010" +
-      "Modality\022\t\n\005FINAL\020\000\022\010\n\004OPEN\020\001\022\014\n\010ABSTRAC" +
-      "T\020\002*b\n\nVisibility\022\014\n\010INTERNAL\020\000\022\013\n\007PRIVA" +
-      "TE\020\001\022\r\n\tPROTECTED\020\002\022\n\n\006PUBLIC\020\003\022\023\n\017PRIVA",
-      "TE_TO_THIS\020\004\022\t\n\005LOCAL\020\005B\022B\rDebugProtoBuf" +
-      "\210\001\000"
+      "ructor\022K\n\025secondary_constructor\030\016 \003(\0132,." +
+      "org.jetbrains.kotlin.serialization.Calla" +
+      "ble\032P\n\022PrimaryConstructor\022:\n\004data\030\001 \001(\0132" +
+      ",.org.jetbrains.kotlin.serialization.Cal" +
+      "lable\"p\n\004Kind\022\t\n\005CLASS\020\000\022\t\n\005TRAIT\020\001\022\016\n\nE" +
+      "NUM_CLASS\020\002\022\016\n\nENUM_ENTRY\020\003\022\024\n\020ANNOTATIO" +
+      "N_CLASS\020\004\022\n\n\006OBJECT\020\005\022\020\n\014CLASS_OBJECT\020\006*" +
+      "\005\010d\020\310\001\"N\n\007Package\022<\n\006member\030\001 \003(\0132,.org.",
+      "jetbrains.kotlin.serialization.Callable*" +
+      "\005\010d\020\310\001\"\300\005\n\010Callable\022\r\n\005flags\030\001 \001(\005\022\024\n\014ge" +
+      "tter_flags\030\t \001(\005\022\024\n\014setter_flags\030\n \001(\005\022I" +
+      "\n\016type_parameter\030\004 \003(\01321.org.jetbrains.k" +
+      "otlin.serialization.TypeParameter\022?\n\rrec" +
+      "eiver_type\030\005 \001(\0132(.org.jetbrains.kotlin." +
+      "serialization.Type\022\014\n\004name\030\006 \002(\005\022T\n\017valu" +
+      "e_parameter\030\007 \003(\0132;.org.jetbrains.kotlin" +
+      ".serialization.Callable.ValueParameter\022=" +
+      "\n\013return_type\030\010 \002(\0132(.org.jetbrains.kotl",
+      "in.serialization.Type\032\263\001\n\016ValueParameter" +
+      "\022\r\n\005flags\030\001 \001(\005\022\014\n\004name\030\002 \002(\005\0226\n\004type\030\003 " +
+      "\002(\0132(.org.jetbrains.kotlin.serialization" +
+      ".Type\022E\n\023vararg_element_type\030\004 \001(\0132(.org" +
+      ".jetbrains.kotlin.serialization.Type*\005\010d" +
+      "\020\310\001\"Q\n\nMemberKind\022\017\n\013DECLARATION\020\000\022\021\n\rFA" +
+      "KE_OVERRIDE\020\001\022\016\n\nDELEGATION\020\002\022\017\n\013SYNTHES" +
+      "IZED\020\003\":\n\014CallableKind\022\007\n\003FUN\020\000\022\007\n\003VAL\020\001" +
+      "\022\007\n\003VAR\020\002\022\017\n\013CONSTRUCTOR\020\003*\005\010d\020\310\001*-\n\010Mod" +
+      "ality\022\t\n\005FINAL\020\000\022\010\n\004OPEN\020\001\022\014\n\010ABSTRACT\020\002",
+      "*b\n\nVisibility\022\014\n\010INTERNAL\020\000\022\013\n\007PRIVATE\020" +
+      "\001\022\r\n\tPROTECTED\020\002\022\n\n\006PUBLIC\020\003\022\023\n\017PRIVATE_" +
+      "TO_THIS\020\004\022\t\n\005LOCAL\020\005B\022B\rDebugProtoBuf\210\001\000"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
       new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -16706,7 +17081,7 @@ public final class DebugProtoBuf {
           internal_static_org_jetbrains_kotlin_serialization_Class_fieldAccessorTable = new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_org_jetbrains_kotlin_serialization_Class_descriptor,
-              new java.lang.String[] { "Flags", "FqName", "DefaultObjectName", "TypeParameter", "Supertype", "NestedClassName", "Member", "EnumEntry", "PrimaryConstructor", });
+              new java.lang.String[] { "Flags", "FqName", "DefaultObjectName", "TypeParameter", "Supertype", "NestedClassName", "Member", "EnumEntry", "PrimaryConstructor", "SecondaryConstructor", });
           internal_static_org_jetbrains_kotlin_serialization_Class_PrimaryConstructor_descriptor =
             internal_static_org_jetbrains_kotlin_serialization_Class_descriptor.getNestedTypes().get(0);
           internal_static_org_jetbrains_kotlin_serialization_Class_PrimaryConstructor_fieldAccessorTable = new
diff --git a/core/serialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java b/core/serialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java
index 518e7c50410..e06edd1243a 100644
--- a/core/serialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java
+++ b/core/serialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java
@@ -7433,6 +7433,21 @@ public final class ProtoBuf {
      * </pre>
      */
     org.jetbrains.kotlin.serialization.ProtoBuf.Class.PrimaryConstructor getPrimaryConstructor();
+
+    // repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    java.util.List<org.jetbrains.kotlin.serialization.ProtoBuf.Callable> 
+        getSecondaryConstructorList();
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    org.jetbrains.kotlin.serialization.ProtoBuf.Callable getSecondaryConstructor(int index);
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    int getSecondaryConstructorCount();
   }
   /**
    * Protobuf type {@code org.jetbrains.kotlin.serialization.Class}
@@ -7571,6 +7586,14 @@ public final class ProtoBuf {
               bitField0_ |= 0x00000008;
               break;
             }
+            case 114: {
+              if (!((mutable_bitField0_ & 0x00000200) == 0x00000200)) {
+                secondaryConstructor_ = new java.util.ArrayList<org.jetbrains.kotlin.serialization.ProtoBuf.Callable>();
+                mutable_bitField0_ |= 0x00000200;
+              }
+              secondaryConstructor_.add(input.readMessage(org.jetbrains.kotlin.serialization.ProtoBuf.Callable.PARSER, extensionRegistry));
+              break;
+            }
           }
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -7594,6 +7617,9 @@ public final class ProtoBuf {
         if (((mutable_bitField0_ & 0x00000080) == 0x00000080)) {
           enumEntry_ = java.util.Collections.unmodifiableList(enumEntry_);
         }
+        if (((mutable_bitField0_ & 0x00000200) == 0x00000200)) {
+          secondaryConstructor_ = java.util.Collections.unmodifiableList(secondaryConstructor_);
+        }
         makeExtensionsImmutable();
       }
     }
@@ -8420,6 +8446,42 @@ public final class ProtoBuf {
       return primaryConstructor_;
     }
 
+    // repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;
+    public static final int SECONDARY_CONSTRUCTOR_FIELD_NUMBER = 14;
+    private java.util.List<org.jetbrains.kotlin.serialization.ProtoBuf.Callable> secondaryConstructor_;
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public java.util.List<org.jetbrains.kotlin.serialization.ProtoBuf.Callable> getSecondaryConstructorList() {
+      return secondaryConstructor_;
+    }
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public java.util.List<? extends org.jetbrains.kotlin.serialization.ProtoBuf.CallableOrBuilder> 
+        getSecondaryConstructorOrBuilderList() {
+      return secondaryConstructor_;
+    }
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public int getSecondaryConstructorCount() {
+      return secondaryConstructor_.size();
+    }
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public org.jetbrains.kotlin.serialization.ProtoBuf.Callable getSecondaryConstructor(int index) {
+      return secondaryConstructor_.get(index);
+    }
+    /**
+     * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+     */
+    public org.jetbrains.kotlin.serialization.ProtoBuf.CallableOrBuilder getSecondaryConstructorOrBuilder(
+        int index) {
+      return secondaryConstructor_.get(index);
+    }
+
     private void initFields() {
       flags_ = 0;
       fqName_ = 0;
@@ -8430,6 +8492,7 @@ public final class ProtoBuf {
       member_ = java.util.Collections.emptyList();
       enumEntry_ = java.util.Collections.emptyList();
       primaryConstructor_ = org.jetbrains.kotlin.serialization.ProtoBuf.Class.PrimaryConstructor.getDefaultInstance();
+      secondaryConstructor_ = java.util.Collections.emptyList();
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -8464,6 +8527,12 @@ public final class ProtoBuf {
           return false;
         }
       }
+      for (int i = 0; i < getSecondaryConstructorCount(); i++) {
+        if (!getSecondaryConstructor(i).isInitialized()) {
+          memoizedIsInitialized = 0;
+          return false;
+        }
+      }
       if (!extensionsAreInitialized()) {
         memoizedIsInitialized = 0;
         return false;
@@ -8505,6 +8574,9 @@ public final class ProtoBuf {
       if (((bitField0_ & 0x00000008) == 0x00000008)) {
         output.writeMessage(13, primaryConstructor_);
       }
+      for (int i = 0; i < secondaryConstructor_.size(); i++) {
+        output.writeMessage(14, secondaryConstructor_.get(i));
+      }
       extensionWriter.writeUntil(200, output);
     }
 
@@ -8560,6 +8632,10 @@ public final class ProtoBuf {
         size += com.google.protobuf.CodedOutputStream
           .computeMessageSize(13, primaryConstructor_);
       }
+      for (int i = 0; i < secondaryConstructor_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(14, secondaryConstructor_.get(i));
+      }
       size += extensionsSerializedSize();
       memoizedSerializedSize = size;
       return size;
@@ -8669,6 +8745,8 @@ public final class ProtoBuf {
         bitField0_ = (bitField0_ & ~0x00000080);
         primaryConstructor_ = org.jetbrains.kotlin.serialization.ProtoBuf.Class.PrimaryConstructor.getDefaultInstance();
         bitField0_ = (bitField0_ & ~0x00000100);
+        secondaryConstructor_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000200);
         return this;
       }
 
@@ -8733,6 +8811,11 @@ public final class ProtoBuf {
           to_bitField0_ |= 0x00000008;
         }
         result.primaryConstructor_ = primaryConstructor_;
+        if (((bitField0_ & 0x00000200) == 0x00000200)) {
+          secondaryConstructor_ = java.util.Collections.unmodifiableList(secondaryConstructor_);
+          bitField0_ = (bitField0_ & ~0x00000200);
+        }
+        result.secondaryConstructor_ = secondaryConstructor_;
         result.bitField0_ = to_bitField0_;
         return result;
       }
@@ -8801,6 +8884,16 @@ public final class ProtoBuf {
         if (other.hasPrimaryConstructor()) {
           mergePrimaryConstructor(other.getPrimaryConstructor());
         }
+        if (!other.secondaryConstructor_.isEmpty()) {
+          if (secondaryConstructor_.isEmpty()) {
+            secondaryConstructor_ = other.secondaryConstructor_;
+            bitField0_ = (bitField0_ & ~0x00000200);
+          } else {
+            ensureSecondaryConstructorIsMutable();
+            secondaryConstructor_.addAll(other.secondaryConstructor_);
+          }
+          
+        }
         this.mergeExtensionFields(other);
         return this;
       }
@@ -8834,6 +8927,12 @@ public final class ProtoBuf {
             return false;
           }
         }
+        for (int i = 0; i < getSecondaryConstructorCount(); i++) {
+          if (!getSecondaryConstructor(i).isInitialized()) {
+            
+            return false;
+          }
+        }
         if (!extensionsAreInitialized()) {
           
           return false;
@@ -9638,6 +9737,131 @@ public final class ProtoBuf {
         return this;
       }
 
+      // repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;
+      private java.util.List<org.jetbrains.kotlin.serialization.ProtoBuf.Callable> secondaryConstructor_ =
+        java.util.Collections.emptyList();
+      private void ensureSecondaryConstructorIsMutable() {
+        if (!((bitField0_ & 0x00000200) == 0x00000200)) {
+          secondaryConstructor_ = new java.util.ArrayList<org.jetbrains.kotlin.serialization.ProtoBuf.Callable>(secondaryConstructor_);
+          bitField0_ |= 0x00000200;
+         }
+      }
+
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public java.util.List<org.jetbrains.kotlin.serialization.ProtoBuf.Callable> getSecondaryConstructorList() {
+        return java.util.Collections.unmodifiableList(secondaryConstructor_);
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public int getSecondaryConstructorCount() {
+        return secondaryConstructor_.size();
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public org.jetbrains.kotlin.serialization.ProtoBuf.Callable getSecondaryConstructor(int index) {
+        return secondaryConstructor_.get(index);
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder setSecondaryConstructor(
+          int index, org.jetbrains.kotlin.serialization.ProtoBuf.Callable value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSecondaryConstructorIsMutable();
+        secondaryConstructor_.set(index, value);
+
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder setSecondaryConstructor(
+          int index, org.jetbrains.kotlin.serialization.ProtoBuf.Callable.Builder builderForValue) {
+        ensureSecondaryConstructorIsMutable();
+        secondaryConstructor_.set(index, builderForValue.build());
+
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addSecondaryConstructor(org.jetbrains.kotlin.serialization.ProtoBuf.Callable value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSecondaryConstructorIsMutable();
+        secondaryConstructor_.add(value);
+
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addSecondaryConstructor(
+          int index, org.jetbrains.kotlin.serialization.ProtoBuf.Callable value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureSecondaryConstructorIsMutable();
+        secondaryConstructor_.add(index, value);
+
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addSecondaryConstructor(
+          org.jetbrains.kotlin.serialization.ProtoBuf.Callable.Builder builderForValue) {
+        ensureSecondaryConstructorIsMutable();
+        secondaryConstructor_.add(builderForValue.build());
+
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addSecondaryConstructor(
+          int index, org.jetbrains.kotlin.serialization.ProtoBuf.Callable.Builder builderForValue) {
+        ensureSecondaryConstructorIsMutable();
+        secondaryConstructor_.add(index, builderForValue.build());
+
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder addAllSecondaryConstructor(
+          java.lang.Iterable<? extends org.jetbrains.kotlin.serialization.ProtoBuf.Callable> values) {
+        ensureSecondaryConstructorIsMutable();
+        super.addAll(values, secondaryConstructor_);
+
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder clearSecondaryConstructor() {
+        secondaryConstructor_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000200);
+
+        return this;
+      }
+      /**
+       * <code>repeated .org.jetbrains.kotlin.serialization.Callable secondary_constructor = 14;</code>
+       */
+      public Builder removeSecondaryConstructor(int index) {
+        ensureSecondaryConstructorIsMutable();
+        secondaryConstructor_.remove(index);
+
+        return this;
+      }
+
       // @@protoc_insertion_point(builder_scope:org.jetbrains.kotlin.serialization.Class)
     }