1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr57018.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr57018.c
new file mode 100644
index 000000000..fb0d849ad
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr57018.c
@@ -0,0 +1,31 @@
+/* { dg-do run } */
+/* { dg-options "-Os -fomit-frame-pointer -fno-asynchronous-unwind-tables" } */
+/* { dg-additional-options "-march=i686" { target ia32 } } */
+
+struct A { char a[16]; } a;
+
+void __attribute__((noinline, noclone))
+foo (struct A b)
+{
+  if (__builtin_memcmp (b.a, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16))
+    __builtin_abort ();
+  asm volatile ("" : : : "memory");
+}
+
+void __attribute__((noinline, noclone))
+bar (struct A b)
+{
+  foo (a);
+  a = b;
+}
+
+int
+main ()
+{
+  struct A b = { "\0\1\2\3\4\5\6\7\10\11\12\13\14\15\16\17" };
+  bar (b);
+  if (__builtin_memcmp (a.a, b.a, 16))
+    __builtin_abort ();
+  return 0;
+}
+