[K/N] Fix filecheck_function_attributes_at_callsite test

kotlin-native/backend.native/tests/build.gradle

@@ -6041,6 +6041,8 @@ fileCheckTest("filecheck_signext_zeroext_objc_export") {
 
 fileCheckTest("filecheck_function_attributes_at_callsite") {
     enabled = (project.testTarget != 'wasm32') // KT-49739
+    // attributes for caller and callee might be the same so we allow overlapping.
+    additionalFileCheckFlags = ["--allow-deprecated-dag-overlap"]
     annotatedSource = project.file('filecheck/function_attributes_at_callsite.kt')
 }
 

kotlin-native/backend.native/tests/filecheck/function_attributes_at_callsite.kt

@@ -17,7 +17,7 @@ fun main() {
     flameThrower()
 }
 
-// CHECK-DAG: attributes #[[THROW_EXCEPTION_DECLARATION_ATTRIBUTES]] = { noreturn uwtable {{.+}} }
-// CHECK-DAG: attributes #[[THROW_EXCEPTION_CALLSITE_ATTRIBUTES]] = { noreturn uwtable }
-// CHECK-DAG: attributes #[[FLAME_THROWER_DECLARATION_ATTRIBUTES]] = { noreturn {{.+}} }
-// CHECK-DAG: attributes #[[FLAME_THROWER_CALLSITE_ATTRIBUTES]] = { noreturn }
+// CHECK-DAG: attributes #[[THROW_EXCEPTION_DECLARATION_ATTRIBUTES]] = {{{.*}}noreturn{{.*}}}
+// CHECK-DAG: attributes #[[THROW_EXCEPTION_CALLSITE_ATTRIBUTES]] = {{{.*}}noreturn{{.*}}}
+// CHECK-DAG: attributes #[[FLAME_THROWER_DECLARATION_ATTRIBUTES]] = {{{.*}}noreturn{{.*}}}
+// CHECK-DAG: attributes #[[FLAME_THROWER_CALLSITE_ATTRIBUTES]] = {{{.*}}noreturn{{.*}}}

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

@@ -89,10 +89,16 @@ open class FileCheckTest : DefaultTask() {
      * Check that [inputFile] matches [annotatedFile] with FileCheck.
      */
     private fun runFileCheck(annotatedFile: Path, inputFile: Path): ProcessOutput {
-        val args = mutableListOf(annotatedFile.toAbsolutePath().toString(), "--input-file", inputFile.toAbsolutePath().toString())
+        val args = mutableListOf(
+                annotatedFile.toAbsolutePath().toString(),
+                "--input-file", inputFile.toAbsolutePath().toString()
+        )
         checkPrefix?.let {
             args.addAll(listOf("--check-prefix", it))
         }
+        additionalFileCheckFlags?.let {
+            args.addAll(it)
+        }
         val platform = project.platformManager.platform(target)
         val configurables = platform.configurables
         val llvmBin = "${configurables.absoluteLlvmHome}/bin"