No need to warn if 'unavailable' method/property
is not implemented. // rdar://9651605
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133819 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 3bbe421..3052b82 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -1076,6 +1076,9 @@
void Sema::WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method,
bool &IncompleteImpl, unsigned DiagID) {
+ // No point warning no definition of method which is 'unavailable'.
+ if (method->hasAttr<UnavailableAttr>())
+ return;
if (!IncompleteImpl) {
Diag(ImpLoc, diag::warn_incomplete_impl);
IncompleteImpl = true;
diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index 75ff0d1..22f9b3e 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -1273,7 +1273,7 @@
// Is there a matching propery synthesize/dynamic?
if (Prop->isInvalidDecl() ||
Prop->getPropertyImplementation() == ObjCPropertyDecl::Optional ||
- PropImplMap.count(Prop))
+ PropImplMap.count(Prop) || Prop->hasAttr<UnavailableAttr>())
continue;
if (!InsMap.count(Prop->getGetterName())) {
Diag(Prop->getLocation(),
diff --git a/test/SemaObjC/no-warning-unavail-unimp.m b/test/SemaObjC/no-warning-unavail-unimp.m
new file mode 100644
index 0000000..9409322
--- /dev/null
+++ b/test/SemaObjC/no-warning-unavail-unimp.m
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// rdar://9651605
+
+@interface Foo
+@property (getter=getVal) int val __attribute__((unavailable));
+- Method __attribute__((unavailable));
++ CMethod __attribute__((unavailable));
+@end
+
+@implementation Foo
+@end
+