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Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/paste8.c')
-rw-r--r--gcc/testsuite/gcc.dg/cpp/paste8.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/paste8.c b/gcc/testsuite/gcc.dg/cpp/paste8.c
new file mode 100644
index 000000000..ab0177978
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/paste8.c
@@ -0,0 +1,15 @@
+/* { dg-do preprocess } */
+/* { dg-options "" } */
+
+int foo(int, ...);
+
+#define a(x, y...) foo(x, ##y)
+a(1)
+a(1, 2, 3)
+#define b(x, y, z...) foo(x, ##y)
+b(1, 2, 3) /* { dg-error "valid preprocessing token" } */
+#define c(x, y, z...) foo(x, ##z)
+c(1, 2)
+c(1, 2, 3)
+#define d(x) fo(##x)
+d(1) /* { dg-error "valid preprocessing token" } */