Patch to allow cstyle cast of objective-c pointers in objective-c++

mode as they are pervasive.

llvm-svn: 90867

2 files changed, 24 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaCXXCast.cpp b/clang/lib/Sema/SemaCXXCast.cpp
index 6b4f87ef1df..c11b5fdd75b 100644
--- a/clang/lib/Sema/SemaCXXCast.cpp
+++ b/clang/lib/Sema/SemaCXXCast.cpp
@@ -1160,6 +1160,10 @@ bool Sema::CXXCheckCStyleCast(SourceRange R, QualType CastTy, Expr *&CastExpr,
   if (CastTy->isDependentType() || CastExpr->isTypeDependent())
     return false;
 
+  // allow c-style cast of objective-c pointers as they are pervasive.
+  if (CastTy->isObjCObjectPointerType())
+    return false;
+  
   if (!CastTy->isLValueReferenceType() && !CastTy->isRecordType())
     DefaultFunctionArrayConversion(CastExpr);
 
diff --git a/clang/test/SemaObjCXX/cstyle-cast.mm b/clang/test/SemaObjCXX/cstyle-cast.mm
new file mode 100644
index 00000000000..97b7af3133c
--- /dev/null
+++ b/clang/test/SemaObjCXX/cstyle-cast.mm
@@ -0,0 +1,20 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+@protocol P @end
+@interface I @end
+
+int main() {
+  void *cft;
+  id oct = (id)cft;
+
+  Class ccct;
+  ccct = (Class)cft;
+
+  I* iict = (I*)cft;
+
+  id<P> pid = (id<P>)cft;
+
+  I<P> *ip = (I<P>*)cft;
+  
+}
+