unused-expr-system-header.c revision d87a0cd2b3e1c9e9f01212875f4cbe5b7bb7ab57 
1// RUN: %clang_cc1 -isystem %S/Inputs -fsyntax-only -verify %s
2#include <unused-expr-system-header.h>
3void f(int i1, int i2) {
4  POSSIBLY_BAD_MACRO(5);
5  STATEMENT_EXPR_MACRO(5);
6  COMMA_MACRO_1(i1 == i2, f(i1, i2)); // expected-warning {{expression result unused}}
7  COMMA_MACRO_2(i1 == i2, f(i1, i2));
8  COMMA_MACRO_3(i1 == i2, f(i1, i2)); // expected-warning {{expression result unused}}
9  COMMA_MACRO_4(i1 == i2, f(i1, i2));
10}
11