1*0a6a1f1dSLionel Sambuc// RUN: rm -rf %t 2*0a6a1f1dSLionel Sambuc// RUN: rm -rf %t-saved 3*0a6a1f1dSLionel Sambuc// RUN: mkdir %t-saved 4*0a6a1f1dSLionel Sambuc 5*0a6a1f1dSLionel Sambuc// Initial module build 6*0a6a1f1dSLionel Sambuc// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 7*0a6a1f1dSLionel Sambuc// RUN: -isystem %S/Inputs/System/usr/include -fsyntax-only %s -verify 8*0a6a1f1dSLionel Sambuc// RUN: cp %t/cstd.pcm %t-saved/cstd.pcm 9*0a6a1f1dSLionel Sambuc 10*0a6a1f1dSLionel Sambuc// Even with -Werror don't rebuild a system module 11*0a6a1f1dSLionel Sambuc// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 12*0a6a1f1dSLionel Sambuc// RUN: -isystem %S/Inputs/System/usr/include -fsyntax-only %s -verify -Werror 13*0a6a1f1dSLionel Sambuc// RUN: diff %t/cstd.pcm %t-saved/cstd.pcm 14*0a6a1f1dSLionel Sambuc 15*0a6a1f1dSLionel Sambuc// Unless -Wsystem-headers is on 16*0a6a1f1dSLionel Sambuc// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 17*0a6a1f1dSLionel Sambuc// RUN: -isystem %S/Inputs/System/usr/include -fsyntax-only %s -verify \ 18*0a6a1f1dSLionel Sambuc// RUN: -Werror=unused -Wsystem-headers 19*0a6a1f1dSLionel Sambuc// RUN: not diff %t/cstd.pcm %t-saved/cstd.pcm 20*0a6a1f1dSLionel Sambuc 21*0a6a1f1dSLionel Sambuc// expected-no-diagnostics 22*0a6a1f1dSLionel Sambuc@import cstd; 23