Objective-C arc. Fixes a crash when issuing diagnostic for

passing parameter to an audited CF API. rdar://18222007

llvm-svn: 217530

1 files changed, 24 insertions, 0 deletions

diff --git a/clang/test/SemaObjC/objc-cf-audited-warning.m b/clang/test/SemaObjC/objc-cf-audited-warning.m
new file mode 100644
index 00000000000..db782299b8a
--- /dev/null
+++ b/clang/test/SemaObjC/objc-cf-audited-warning.m
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1  -fobjc-arc -verify %s
+// rdar://18222007
+
+#if __has_feature(arc_cf_code_audited)
+#define CF_IMPLICIT_BRIDGING_ENABLED _Pragma("clang arc_cf_code_audited begin")
+#define CF_IMPLICIT_BRIDGING_DISABLED _Pragma("clang arc_cf_code_audited end")
+#endif
+#define CF_BRIDGED_TYPE(T)              __attribute__((objc_bridge(T)))
+
+typedef const struct CF_BRIDGED_TYPE(NSURL) __CFURL * CFURLRef;
+typedef signed long long CFIndex;
+typedef unsigned char           Boolean;
+typedef unsigned char                   UInt8;
+typedef const struct __CFAllocator * CFAllocatorRef;
+const CFAllocatorRef kCFAllocatorDefault;
+
+CF_IMPLICIT_BRIDGING_ENABLED
+CFURLRef CFURLCreateFromFileSystemRepresentation(CFAllocatorRef allocator, const UInt8 *buffer, CFIndex bufLen, Boolean isDirectory); // expected-note {{passing argument to parameter 'buffer' here}}
+CF_IMPLICIT_BRIDGING_DISABLED
+
+void saveImageToJPG(const char *filename)
+{
+    CFURLRef url = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, filename, 10, 0); // expected-warning {{passing 'const char *' to parameter of type 'const UInt8 *' (aka 'const unsigned char *') converts between pointers to integer types with different sign}}
+}