// PR tree-optimization/17697// { dg-do run }// { dg-options "-O2" }extern "C" extern int strcmp (const char *s, const char *t);namespace A{  extern int strcmp (const char *s, const char *t);}inline intA::strcmp (const char *s, const char *t){  return ::strcmp (s, t);}intfoo (char *x){  return A::strcmp ("", x);}intmain (){  return foo ("") != 0 || foo ("a") == 0;}