/* PR optimization/12640 We used to get into an infinite loop while trying to figure out `strlen (resultString)'. This showed up as a stack overflow while compiling tk. */ /* { dg-do compile } */ /* { dg-options "-O1" } */ extern __SIZE_TYPE__ strlen (const char *); int i; static void SendEventProc (char *resultString) { char *p; resultString = ""; while (*p == '-') { if (p[2] == ' ') { resultString = p + 3; } } for (;;) { i = strlen (resultString) + 1; } }