1 files changed, 8 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/cpp/warning-zero-location.c b/gcc-4.9/gcc/testsuite/c-c++-common/cpp/warning-zero-location.c
new file mode 100644
index 000000000..ca2e102bb
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/cpp/warning-zero-location.c
@@ -0,0 +1,8 @@
+/*
+   { dg-options "-D _GNU_SOURCE -fdiagnostics-show-caret" }
+   { dg-do compile }
+ */
+
+#define _GNU_SOURCE 	/* { dg-warning "redefined" } */
+
+/* { dg-message "" "#define _GNU_SOURCE" {target *-*-* } 0 }