vendor/clang/clang-release_32-r168974

1 files changed, 9 insertions, 0 deletions

diff --git a/test/Frontend/macros.c b/test/Frontend/macros.c
index 317079709c63..68f220339dbf 100644
--- a/test/Frontend/macros.c
+++ b/test/Frontend/macros.c
@@ -1,4 +1,13 @@
 // RUN: %clang_cc1 -DA= -DB=1 -verify -fsyntax-only %s
+// expected-no-diagnostics
 
 int a[(B A) == 1 ? 1 : -1];
 
+
+// PR13747 - Don't warn about unused results with statement exprs in macros.
+void stuff(int,int,int);
+#define memset(x,y,z) ({ stuff(x,y,z); x; })
+
+void foo(int a, int b, int c) {
+  memset(a,b,c);  // No warning!
+}