1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/20050105-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/20050105-2.c
new file mode 100644
index 000000000..02ac1596b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/20050105-2.c
@@ -0,0 +1,32 @@
+/* PR tree-optimization/18828 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+#include <stdarg.h>
+
+extern void abort (void);
+
+void foo (int x, ...)
+{
+  va_list ap;
+  if (x != 21)
+    abort ();
+  va_start (ap, x);
+  va_end (ap);
+}
+
+void bar (int x, ...)
+{
+  va_list ap;
+  x++;
+  va_start (ap, x);
+  va_end (ap);
+}
+
+void baz (int x, ...)
+{
+  va_list ap;
+  x = 0;
+  va_start (ap, x);
+  va_end (ap);
+}