#pragma redefine_extname /* { dg-warning "malformed" } */ #pragma redefine_extname foo /* { dg-warning "malformed" } */ #pragma redefine_extname foo 1 /* { dg-warning "malformed" } */ #pragma redefine_extname foo bar 2 /* { dg-warning "junk" } */ int bar; /* silence `ISO C forbids an empty translation unit' warning */