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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/cpp/cmdlne-dU-6.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cpp/cmdlne-dU-6.c b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/cmdlne-dU-6.c
new file mode 100644
index 000000000..e2c801df3
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/cmdlne-dU-6.c
@@ -0,0 +1,8 @@
+/* { dg-do preprocess } */
+/* { dg-options "-nostdinc -P -dU" } */
+/* { dg-final { scan-file cmdlne-dU-6.i "^\n*#undef A\n+#define A *\n*$" } } */
+#ifdef A
+#endif
+#define A
+#ifdef A
+#endif