42 lines · c
1// RUN: rm -fR %t2// RUN: split-file %s %t3// RUN: %clang_cc1 -fsyntax-only -verify=c99 -std=c99 %t/floatneeds0.c4// RUN: %clang_cc1 -fsyntax-only -verify=c99 -std=c99 %t/floatneeds1.c5// RUN: %clang_cc1 -fsyntax-only -verify=c23 -std=c23 %t/floatneeds0.c6// RUN: %clang_cc1 -fsyntax-only -verify=c23 -std=c23 %t/floatneeds1.c7// RUN: %clang_cc1 -fsyntax-only -verify=c99-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -std=c99 %t/floatneeds0.c8// RUN: %clang_cc1 -fsyntax-only -verify=c99-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -std=c99 %t/floatneeds1.c9// RUN: %clang_cc1 -fsyntax-only -verify=c23-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -std=c23 %t/floatneeds0.c10// RUN: %clang_cc1 -fsyntax-only -verify=c23-modules -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -std=c23 %t/floatneeds1.c11 12// Use C99 to verify that __need_ can be used to get types that wouldn't normally be available.13 14//--- floatneeds0.c15float infinity0 = INFINITY; // c99-error{{undeclared identifier 'INFINITY'}} c23-error{{undeclared identifier 'INFINITY'}} \16 c99-modules-error{{undeclared identifier 'INFINITY'}} c23-modules-error{{undeclared identifier 'INFINITY'}}17float nan0 = NAN; // c99-error{{undeclared identifier 'NAN'}} c23-error{{undeclared identifier 'NAN'}} \18 c99-modules-error{{undeclared identifier 'NAN'}} c23-modules-error{{undeclared identifier 'NAN'}}19float max0 = FLT_MAX; // c99-error{{undeclared identifier 'FLT_MAX'}} c23-error{{undeclared identifier 'FLT_MAX'}} \20 c99-modules-error{{undeclared identifier 'FLT_MAX'}} c23-modules-error{{undeclared identifier 'FLT_MAX'}}21 22#define __need_infinity_nan23#include <float.h>24float infinity1 = INFINITY;25float nan1 = NAN;26float max1 = FLT_MAX; // c99-error{{undeclared identifier}} c23-error{{undeclared identifier}} \27 c99-modules-error{{undeclared identifier}} c23-modules-error{{undeclared identifier}}28 29#include <float.h>30float infinity2 = INFINITY;31float nan2 = NAN;32float max2 = FLT_MAX;33 34//--- floatneeds1.c35// c23-no-diagnostics36// c23-modules-no-diagnostics37 38#include <float.h>39float infinity0 = INFINITY; // c99-error{{undeclared identifier}} c99-modules-error{{undeclared identifier}}40float nan0 = NAN; // c99-error{{undeclared identifier}} c99-modules-error{{undeclared identifier}}41float max0 = FLT_MAX;42