/* Origin: Dodji Seketeli { dg-options "-std=c++98 -pedantic" } { dg-do compile } */ #include "system-binary-constants-1.h" int foo (void) { #if BINARY_INT_CONSTANT_IN_SYSTEM_HEADER /* A binary constant defined in system header. No warning. */ return 23; #endif return 0b1101; /* { dg-warning "binary constants are a GCC extension" } */ }