--- /dev/null
+/* PR optimization/11304 */
+/* Originator: <manuel.serrano@sophia.inria.fr> */
+/* { dg-do run { target i?86-*-* } } */
+/* { 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;
+}