1 files changed, 9 insertions, 0 deletions
diff --git a/clang/test/Frontend/warning-mapping-5.c b/clang/test/Frontend/warning-mapping-5.c
new file mode 100644
index 0000000..27d53dc
--- /dev/null
+++ b/clang/test/Frontend/warning-mapping-5.c
@@ -0,0 +1,9 @@
+// Check that #pragma diagnostic warning overrides -Werror. This matches GCC's
+// original documentation, but not its earlier implementations.
+// 
+// RUN: %clang_cc1 -verify -Werror %s
+
+#pragma clang diagnostic warning "-Wsign-compare"
+int f0(int x, unsigned y) {
+  return x < y; // expected-warning {{comparison of integers}}
+}