From: Chris Lattner <sabre@nondot.org>
Date: Fri, 17 Sep 2010 21:12:38 +0000 (+0000)
Subject: fix rdar://8445858 - __sync_* intrinsics erroneously reject ObjC pointers
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dd5fa7a21ca9db9d620001ca977681a1b724e3fe;p=clang

fix rdar://8445858 - __sync_* intrinsics erroneously reject ObjC pointers



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114209 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 0ed2f33e0e..790e7671ed 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -427,7 +427,7 @@ Sema::SemaBuiltinAtomicOverloaded(ExprResult TheCallResult) {
 
   QualType ValType =
     FirstArg->getType()->getAs<PointerType>()->getPointeeType();
-  if (!ValType->isIntegerType() && !ValType->isPointerType() &&
+  if (!ValType->isIntegerType() && !ValType->isAnyPointerType() &&
       !ValType->isBlockPointerType()) {
     Diag(DRE->getLocStart(), diag::err_atomic_builtin_must_be_pointer_intptr)
       << FirstArg->getType() << FirstArg->getSourceRange();
diff --git a/test/SemaObjC/exprs.m b/test/SemaObjC/exprs.m
index 3370bda051..13c34e5650 100644
--- a/test/SemaObjC/exprs.m
+++ b/test/SemaObjC/exprs.m
@@ -22,3 +22,13 @@ void test2() {
 
 #define MAX(A,B) ({ __typeof__(A) __a = (A); __typeof__(B) __b = (B); __a < __b ? __b : __a; })
 void (^foo)(int, int) = ^(int x, int y) { int z = MAX(x, y); };
+
+
+
+// rdar://8445858
+@class Object;
+static Object *g;
+void test3(Object *o) {
+  // this is ok.
+  __sync_bool_compare_and_swap(&g, 0, o);
+}