[JS IC] Make sure already bound symbol is not being enqueued

compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/ic/IcFileDeserializer.kt

@@ -83,13 +83,17 @@ class IcFileDeserializer(
         val topLevelSig = idSig.topLevelSignature()
 
         if (idSig in originalFileDeserializer.reversedSignatureIndex) {
+            val symbol = originalFileDeserializer.symbolDeserializer.deserializeIrSymbol(idSig, symbolKind).also {
+                linker.deserializedSymbols.add(it)
+            }
+
+            if (!symbol.isBound) {
                 topLevelSig.originalEnqueue(this)
                 idSig.enqueue(this)
                 linker.modulesWithReachableTopLevels.add(moduleDeserializer)
-
-            return originalFileDeserializer.symbolDeserializer.deserializeIrSymbol(idSig, symbolKind).also {
-                linker.deserializedSymbols.add(it)
             }
+
+            return symbol
         } else {
 
             val actualModuleDeserializer =
@@ -174,7 +178,7 @@ class IcFileDeserializer(
 
     private val carrierDeserializer by lazy { CarrierDeserializer(declarationDeserializer, icFileData.carriers) }
 
-    val reversedSignatureIndex: Map<IdSignature, Int> by lazy { protoFile.declarationIdList.map { symbolDeserializer.deserializeIdSignature(it) to it }.toMap() }
+    val reversedSignatureIndex: Map<IdSignature, Int> = protoFile.declarationIdList.map { symbolDeserializer.deserializeIdSignature(it) to it }.toMap()
 
     val visited = HashSet<IdSignature>()
 

compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/ic/IcModuleDeserializer.kt

@@ -106,13 +106,17 @@ class IcModuleDeserializer(
         val icDeserializer = moduleReversedFileIndex[topLevelSignature]
             ?: error("No file for $topLevelSignature (@ $idSig) in module $moduleDescriptor")
 
+        val symbol = icDeserializer.originalFileDeserializer.symbolDeserializer.deserializeIrSymbol(idSig, symbolKind).also {
+            linker.deserializedSymbols.add(it)
+        }
+
+        if (!symbol.isBound) {
             topLevelSignature.originalEnqueue(icDeserializer)
             idSig.enqueue(icDeserializer)
             linker.modulesWithReachableTopLevels.add(this)
-
-        return icDeserializer.originalFileDeserializer.symbolDeserializer.deserializeIrSymbol(idSig, symbolKind).also {
-            linker.deserializedSymbols.add(it)
         }
+
+        return symbol
     }
 
     override val moduleFragment: IrModuleFragment = IrModuleFragmentImpl(moduleDescriptor, linker.builtIns, emptyList())
@@ -209,16 +213,17 @@ class IcModuleDeserializer(
 
     override fun postProcess() {
         icDeserializers.forEach { icDeserializer ->
-            if (!icDeserializer.visited.isEmpty()) {
             val file = icDeserializer.originalFileDeserializer.file
             icDeserializer.init()
             icDeserializer.reversedSignatureIndex.keys.forEach {
-                    if (it in icModuleReversedFileIndex) error("Duplicate signature $it in both ${icModuleReversedFileIndex[it]!!.originalFileDeserializer.file.path} and in ${file.path}")
+                if (it in icModuleReversedFileIndex) {
+                    val existed = icModuleReversedFileIndex[it]!!
+                    error("Duplicate signature $it in both ${existed.originalFileDeserializer.file.path} and in ${file.path}")
+                }
 
                 icModuleReversedFileIndex[it] = icDeserializer
             }
         }
-        }
 
         while (signatureQueue.isNotEmpty()) {
             val icFileDeserializer = fileQueue.removeFirst()