gcc/testsuite/gcc.dg/pr60647-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 struct _wincore
   5 {
   6   int y;
   7   int width;
   8 };
   9 int a;
  10 static fn1 (dpy, winInfo) struct _XDisplay *dpy;
  11 struct _wincore *winInfo;
  12 {
  13   a = winInfo->width;
  14   fn2 ();
  15 }
  16
  17 static fn3 (dpy, winInfo, visrgn) struct _XDisplay *dpy;
  18 {
  19   int b = fn1 (0, winInfo);
  20   fn4 (0, 0, visrgn);
  21 }
  22
  23 fn5 (event) struct _XEvent *event;
  24 {
  25   fn3 (0, 0, 0);
  26 }