1 files changed, 39 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/call-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/call-1.c
new file mode 100644
index 000000000..bd7c569c6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/call-1.c
@@ -0,0 +1,39 @@
+/* PR optimization/11304 */
+/* Originator: <manuel.serrano@sophia.inria.fr> */
+/* { dg-do run } */
+/* { dg-options "-O -fomit-frame-pointer" } */
+
+/* Verify that %eax is always restored after a call.  */
+
+extern void abort(void);
+
+volatile int r;
+
+void set_eax(int val)
+{
+  __asm__ __volatile__ ("mov %0, %%eax" : : "m" (val));
+}
+
+void foo(int val)
+{
+  r = val;
+}
+
+int bar(int x)
+{
+  if (x)
+  {
+    set_eax(0);
+    return x;
+  }
+
+  foo(x);
+}
+
+int main(void)
+{
+  if (bar(1) != 1)
+    abort();
+
+  return 0;
+}