// Test that system-headerness works for building modules. // RUN: rm -rf %t // RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/cache -isystem %S/Inputs -pedantic -Werror %s -verify -std=c11 // expected-no-diagnostics @import warning; int i = bigger_than_int; #include <stddef.h> #define __need_size_t #include <stddef.h>