Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 42 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr59644.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr59644.c
new file mode 100644
index 000000000..96006b3e3
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr59644.c
@@ -0,0 +1,42 @@
+/* PR target/59644 */
+/* { dg-do run { target lp64 } } */
+/* { dg-options "-O2 -ffreestanding -mno-sse -mpreferred-stack-boundary=3 -maccumulate-outgoing-args -mno-red-zone" } */
+
+/* This test uses __builtin_trap () instead of e.g. abort,
+   because due to -mpreferred-stack-boundary=3 it should not call
+   any library function from within main ().  */
+
+#include <stdarg.h>
+
+__attribute__((noinline, noclone))
+int
+bar (int x, int y, int z, int w, const char *fmt, va_list ap)
+{
+  if (x != 1 || y != 2 || z != 3 || w != 4)
+    __builtin_trap ();
+  if (fmt[0] != 'f' || fmt[1] != 'o' || fmt[2] != 'o' || fmt[3])
+    __builtin_trap ();
+  if (va_arg (ap, int) != 5 || va_arg (ap, int) != 6
+      || va_arg (ap, long long) != 7LL)
+    __builtin_trap ();
+  return 9;
+}
+
+__attribute__((noinline, noclone, optimize ("Os")))
+int
+foo (const char *fmt, ...)
+{
+  va_list ap;
+  va_start (ap, fmt);
+  int r = bar (1, 2, 3, 4, fmt, ap);
+  va_end (ap);
+  return r;
+}
+
+int
+main ()
+{
+  if (foo ("foo", 5, 6, 7LL) != 9)
+    __builtin_trap ();
+  return 0;
+}