[PL] Fix: Don't run partial linkage on early stages when no external dependencies have been loaded yet

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/PsiToIr.kt

@@ -106,6 +106,8 @@ internal fun PsiToIrContext.psiToIr(
             override fun resolveBySignatureInModule(signature: IdSignature, kind: IrDeserializer.TopLevelSymbolKind, moduleName: Name): IrSymbol {
                 error("Should not be called")
             }
+
+            override fun postProcess(inOrAfterLinkageStep: Boolean) = Unit
         }
     } else {
         val exportedDependencies = (moduleDescriptor.getExportedDependencies(config) + libraryToCacheModule?.let { listOf(it) }.orEmpty()).distinct()
@@ -224,7 +226,7 @@ internal fun PsiToIrContext.psiToIr(
             expectDescriptorToSymbol = if (expectActualLinker) expectDescriptorToSymbol else null
     ).toKonanModule()
 
-    irDeserializer.postProcess()
+    irDeserializer.postProcess(inOrAfterLinkageStep = true)
 
     // Enable lazy IR genration for newly-created symbols inside BE
     stubGenerator.unboundSymbolGeneration = true

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanIrlinker.kt

@@ -407,9 +407,9 @@ internal class KonanIrLinker(
                 }
             }
 
-    override fun postProcess() {
+    override fun postProcess(inOrAfterLinkageStep: Boolean) {
         stubGenerator.unboundSymbolGeneration = true
-        super.postProcess()
+        super.postProcess(inOrAfterLinkageStep)
     }
 
     private val inlineFunctionFiles = mutableMapOf<IrExternalPackageFragment, IrFile>()