1  
       2  #pragma redefine_extname		/* { dg-warning "malformed" } */
       3  #pragma redefine_extname foo		/* { dg-warning "malformed" } */
       4  #pragma redefine_extname foo 1		/* { dg-warning "malformed" } */
       5  #pragma redefine_extname foo bar 2	/* { dg-warning "junk" } */
       6  
       7  int bar; /* silence `ISO C forbids an empty translation unit' warning */