Have __func__ and siblings point to block's implementation function
name. Fixes radar 7860965.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107044 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/func-in-block.c b/test/CodeGen/func-in-block.c
new file mode 100644
index 0000000..27e0c09
--- /dev/null
+++ b/test/CodeGen/func-in-block.c
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -emit-llvm -o - %s | FileCheck %s
+// rdar: // 7860965
+
+extern void PRINTF(const char *);
+extern void B(void (^)(void));
+
+int main()
+{
+    PRINTF(__func__);
+    B(
+       ^{
+            PRINTF(__func__);
+        }
+    );
+    return 0; // not reached
+}
+
+// CHECK: call void @PRINTF({{.*}}@__func__.__main_block_invoke_