/* PR tree-optimization/86114 - ICE in gimple_fold_builtin_strlen with an invalid call to strnlen { dg-do compile } { dg-options "-O2" } */ typedef __SIZE_TYPE__ size_t; extern char* strcmp (const char*, const char*); extern char* strncmp (const char*, const char*, size_t); extern char* strlen (const char*); extern char* strnlen (const char*, size_t); extern char* strcspn (const char*, const char*); extern char* strspn (const char*, const char*); extern char* strxfrm (const char*, const char*, size_t); char** q; void test_array (const char *s) { extern char a[8]; q[0] = strcmp (a, s); q[1] = strncmp (a, s, 7); q[2] = strlen (a); q[3] = strnlen (a, 7); q[4] = strcspn (a, s); q[5] = strspn (a, s); q[6] = strxfrm (a, s, 7); } void test_pointer (const char *s, const char *t) { q[0] = strcmp (s, t); q[1] = strncmp (s, t, 7); q[2] = strlen (s); q[3] = strnlen (s, 7); q[4] = strcspn (s, t); q[5] = strspn (s, t); q[6] = strxfrm (s, s, 7); } /* { dg-prune-output "-Wbuiltin-declaration-mismatch" } */