Check in LLVM r95781.
diff --git a/test/SemaObjC/gcc-cast-ext.m b/test/SemaObjC/gcc-cast-ext.m
new file mode 100644
index 0000000..28abfbc
--- /dev/null
+++ b/test/SemaObjC/gcc-cast-ext.m
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 %s -verify -fms-extensions
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+typedef struct _NSRange { } NSRange;
+
+@class PBXFileReference;
+
+@interface PBXDocBookmark
++ alloc;
+- autorelease;
+@end
+
+// GCC allows pointer expressions in integer constant expressions.
+struct {
+ char control[((int)(char *)2)];
+} xx;
+
+@implementation PBXDocBookmark // expected-warning {{incomplete implementation}} expected-warning {{method definition for 'autorelease' not found}} expected-warning {{method definition for 'alloc' not found}}
+
++ (id)bookmarkWithFileReference:(PBXFileReference *)fileRef gylphRange:(NSRange)range anchor:(NSString *)htmlAnchor
+{
+ NSRange r = (NSRange)range;
+ return [[[self alloc] initWithFileReference:fileRef gylphRange:(NSRange)range anchor:(NSString *)htmlAnchor] autorelease]; // expected-warning {{method '-initWithFileReference:gylphRange:anchor:' not found (return type defaults to 'id')}}
+}
+@end