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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/cpp/warn-unused-macros-2.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cpp/warn-unused-macros-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/warn-unused-macros-2.c
new file mode 100644
index 000000000..d7fe145c8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/warn-unused-macros-2.c
@@ -0,0 +1,4 @@
+// { dg-do preprocess }
+// { dg-options "-std=gnu99 -fdiagnostics-show-option -Werror=unused-macros" }
+/* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */
+#define X X // { dg-error "macro \"X\" is not used .-Werror=unused-macros." }