[K/N] Fix FrameworkTest in case of simulator target

As of Xcode 13.1 Swift 5.5 passes wrong libclang_rt to simulator targets
(similar to ours KT-47333). To workaround this problem, we explicitly
provide the correct one.

kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/FrameworkTest.kt

@@ -169,7 +169,16 @@ open class FrameworkTest : DefaultTask(), KonanTestExecutable {
                 "-F", frameworkParentDirPath,
                 "-Xcc", "-Werror" // To fail compilation on warnings in framework header.
         )
-        compileSwift(project, project.testTarget, sources, options + swiftExtraOpts, Paths.get(executable), fullBitcode)
+        // As of Xcode 13.1 swift passes wrong libclang_rt to simulator targets (similar to KT-47333).
+        // To workaround this problem, we explicitly provide the correct one.
+        val simulatorHack = if (project.testTargetConfigurables.targetTriple.isSimulator) {
+            project.platformManager.platform(project.testTarget).linker.provideCompilerRtLibrary("")?.let {
+                listOf("-Xlinker", it)
+            } ?: emptyList()
+        } else {
+            emptyList()
+        }
+        compileSwift(project, project.testTarget, sources, options + simulatorHack + swiftExtraOpts, Paths.get(executable), fullBitcode)
     }
 
     @TaskAction

kotlin-native/shared/src/main/kotlin/org/jetbrains/kotlin/konan/target/Linker.kt

@@ -94,7 +94,7 @@ abstract class LinkerFlags(val configurables: Configurables) {
         return libraries
     }
 
-    protected open fun provideCompilerRtLibrary(libraryName: String, isDynamic: Boolean = false): String? {
+    open fun provideCompilerRtLibrary(libraryName: String, isDynamic: Boolean = false): String? {
         System.err.println("Can't provide $libraryName.")
         return null
     }