Merge pull request swiftlang#1762 from compnerd/squelch-arguments

test: ignore unused arguments in tests invoking Clang

Author: jrose-apple

test/PrintAsObjC/cdecl.swift

@@ -4,7 +4,7 @@
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -parse-as-library %t/cdecl.swiftmodule -parse -emit-objc-header-path %t/cdecl.h -import-objc-header %S/../Inputs/empty.h -disable-objc-attr-requires-foundation-module
 // RUN: FileCheck %s < %t/cdecl.h
 // RUN: %check-in-clang %t/cdecl.h
-// RUN: %check-in-clang -fno-modules %t/cdecl.h -include Foundation.h -include ctypes.h -include CoreFoundation.h
+// RUN: %check-in-clang -fno-modules -Qunused-arguments %t/cdecl.h -include Foundation.h -include ctypes.h -include CoreFoundation.h
 
 // REQUIRES: objc_interop
 

test/PrintAsObjC/classes.swift

@@ -18,8 +18,8 @@
 // RUN: FileCheck %s < %t/classes.h
 // RUN: FileCheck --check-prefix=NEGATIVE %s < %t/classes.h
 // RUN: %check-in-clang %t/classes.h
-// RUN: not %check-in-clang -fno-modules %t/classes.h
-// RUN: %check-in-clang -fno-modules %t/classes.h -include Foundation.h -include CoreFoundation.h -include objc_generics.h
+// RUN: not %check-in-clang -fno-modules -Qunused-arguments %t/classes.h
+// RUN: %check-in-clang -fno-modules -Qunused-arguments %t/classes.h -include Foundation.h -include CoreFoundation.h -include objc_generics.h
 
 // CHECK-NOT: AppKit;
 // CHECK-NOT: Properties;

test/PrintAsObjC/empty.swift

@@ -3,11 +3,11 @@
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) %s -parse -emit-objc-header-path %t/empty.h
 // RUN: FileCheck %s < %t/empty.h
 // RUN: %check-in-clang -std=c99 %t/empty.h
-// RUN: %check-in-clang -std=c99 -fno-modules %t/empty.h
+// RUN: %check-in-clang -std=c99 -fno-modules -Qunused-arguments %t/empty.h
 // RUN: not %check-in-clang -I %S/Inputs/clang-headers %t/empty.h 2>&1 | FileCheck %s --check-prefix=CUSTOM-OBJC-PROLOGUE
 
 // Make sure we can handle two bridging headers. rdar://problem/22702104
-// RUN: %check-in-clang -include %t/empty.h -std=c99 -fno-modules %t/empty.h
+// RUN: %check-in-clang -include %t/empty.h -std=c99 -fno-modules -Qunused-arguments %t/empty.h
 
 // REQUIRES: objc_interop
 

test/PrintAsObjC/enums.swift

@@ -5,7 +5,7 @@
 // RUN: FileCheck %s < %t/enums.h
 // RUN: FileCheck -check-prefix=NEGATIVE %s < %t/enums.h
 // RUN: %check-in-clang %t/enums.h
-// RUN: %check-in-clang -fno-modules %t/enums.h -include Foundation.h -include ctypes.h -include CoreFoundation.h
+// RUN: %check-in-clang -fno-modules -Qunused-arguments %t/enums.h -include Foundation.h -include ctypes.h -include CoreFoundation.h
 
 // REQUIRES: objc_interop
 

test/PrintAsObjC/simd.swift

@@ -12,7 +12,7 @@
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) -parse-as-library %t/simd_test.swiftmodule -parse -emit-objc-header-path %t/simd.h -import-objc-header %S/../Inputs/empty.h -disable-objc-attr-requires-foundation-module
 // RUN: FileCheck %s < %t/simd.h
 // RUN: %check-in-clang %t/simd.h
-// RUN: %check-in-clang -fno-modules %t/simd.h -include Foundation.h
+// RUN: %check-in-clang -fno-modules -Qunused-arguments %t/simd.h -include Foundation.h
 
 // REQUIRES: objc_interop