19 lines · c
1// RUN: %clang_cc1 -isystem %S -Wdouble-promotion -fsyntax-only %s 2>&1 | FileCheck -allow-empty %s2// CHECK-NOT: warning:3 4#include <no-warn-in-system-macro.c.inc>5 6#define MACRO(x) x7 8int main(void)9{10 double foo = 1.0;11 12 if (isnan(foo))13 return 1;14 15 MACRO(isnan(foo));16 17 return 0;18}19