1 /* Test for binary integer constants: -pedantic warnings.  */
2 
3 /* Origin: Joerg Wunsch <j.gnu@uriah.heep.sax.de>.  */
4 /* { dg-do compile } */
5 /* { dg-options "-std=iso9899:1999 -pedantic -ftrack-macro-expansion=0" } */
6 
7 #define FOO 0b1101
8 
9 int
foo(void)10 foo (void)
11 {
12 #if FOO /* { dg-warning "binary constants are a GCC extension" } */
13   return 23;
14 #endif
15   return 0b1101; /* { dg-warning "binary constants are a GCC extension" } */
16 }
17