1 // PR tree-optimization/17697 2 // { dg-do run } 3 // { dg-options "-O2" } 4 5 extern "C" 6 { 7 extern int strcmp (const char *s, const char *t) throw () 8 __attribute__ ((pure)); 9 } 10 11 namespace A 12 { 13 extern int strcmp (const char *s, const char *t); 14 } 15 16 inline int strcmp(const char * s,const char * t)17A::strcmp (const char *s, const char *t) 18 { 19 return ::strcmp (s, t); 20 } 21 22 int foo(const char * x)23foo (const char *x) throw () 24 { 25 return A::strcmp ("", x); 26 } 27 28 int main()29main () 30 { 31 return foo ("") != 0 || foo ("a") == 0; 32 } 33