IR inliner, Native: Don't inline external inline funs

^KT-80660 Fixed

Author: ddolovov

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/LoweringContext.kt

@@ -18,7 +18,6 @@ package org.jetbrains.kotlin.backend.common
 
 import org.jetbrains.kotlin.backend.common.ir.PreSerializationSymbols
 import org.jetbrains.kotlin.backend.common.ir.SharedVariablesManager
-import org.jetbrains.kotlin.backend.common.ir.Symbols
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
 import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.LoggingContext
@@ -39,6 +38,13 @@ interface LoweringContext : LoggingContext, ErrorReportingContext {
     val irFactory: IrFactory
     val sharedVariablesManager: SharedVariablesManager
 
+    /**
+     * Whether inlining of `external inline fun`s is allowed.
+     * By default, it is allowed everywhere.
+     */
+    val allowInliningOfExternalFunctions: Boolean
+        get() = true
+
     override val messageCollector: MessageCollector
         get() = configuration.messageCollector
 

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

@@ -20,4 +20,7 @@ class NativePreSerializationLoweringContext(
     override val symbols: PreSerializationNativeSymbols = PreSerializationNativeSymbols.Impl(irBuiltIns)
 
     override val sharedVariablesManager = KlibSharedVariablesManager(symbols)
+
+    override val allowInliningOfExternalFunctions: Boolean
+        get() = false
 }

compiler/ir/ir.inline/src/org/jetbrains/kotlin/ir/inline/InlineFunctionResolver.kt

@@ -52,6 +52,7 @@ abstract class InlineFunctionResolverReplacingCoroutineIntrinsics<Ctx : Lowering
         if (!symbol.isBound) return null
         val realOwner = symbol.owner.resolveFakeOverrideOrSelf()
         if (!realOwner.isInline) return null
+        if (realOwner.isExternal && !context.allowInliningOfExternalFunctions) return null
         val result = when {
             realOwner.isBuiltInSuspendCoroutineUninterceptedOrReturn() -> context.symbols.suspendCoroutineUninterceptedOrReturn.owner
             realOwner.symbol == context.symbols.coroutineContextGetter -> context.symbols.coroutineGetContext.owner

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

@@ -25,6 +25,9 @@ internal abstract class KonanBackendContext(config: KonanConfig) : BasicPhaseCon
         KlibSharedVariablesManager(symbols)
     }
 
+    override val allowInliningOfExternalFunctions: Boolean
+        get() = false
+
     override val irFactory: IrFactory = IrFactoryImpl
 
     override val messageCollector: MessageCollector