1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify %s -triple i686-pc-linux-gnu 2*f4a2713aSLionel Sambuc // expected-no-diagnostics 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc // PR 4142 - support glibc extension to printf: '%m' (which prints strerror(errno)). 5*f4a2713aSLionel Sambuc int printf(char const*,...); percentm(void)6*f4a2713aSLionel Sambucvoid percentm(void) { 7*f4a2713aSLionel Sambuc printf("%m"); 8*f4a2713aSLionel Sambuc } 9