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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/cpp/redef1.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cpp/redef1.c b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/redef1.c
new file mode 100644
index 000000000..a5fe2bacc
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/redef1.c
@@ -0,0 +1,19 @@
+/* Test for redefining macros with insignificant (i.e. whitespace)
+ differences. */
+
+/* { dg-do preprocess } */
+
+#define foo bar
+#define /* x */ foo /* x */ bar /* x */
+
+#define quux(thud) a one and a thud and a two
+#define /**/ quux( thud ) /**/ a one and a /**/ thud /**/ and /**/ a two
+#define quux(thud) a one and a thud and a two /* bah */
+
+/* { dg-bogus "redefined" "foo redefined" { target *-*-* } 7 } */
+/* { dg-bogus "redefined" "quux redefined" { target *-*-* } 10 } */
+/* { dg-bogus "redefined" "quux redefined" { target *-*-* } 11 } */
+
+/* { dg-bogus "previous def" "foo prev def" { target *-*-* } 6 } */
+/* { dg-bogus "previous def" "quux prev def" { target *-*-* } 9 } */
+/* { dg-bogus "previous def" "quux prev def" { target *-*-* } 10 } */