Add a CC1 option -verify-pch

This option will:
- load the given pch file
- verify it is not out of date by stat'ing dependencies, and
- return 0 on success and non-zero on error

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@200884 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/Frontend/FrontendAction.cpp b/lib/Frontend/FrontendAction.cpp
index 0baf3e5e1f..13a0787e42 100644
--- a/lib/Frontend/FrontendAction.cpp
+++ b/lib/Frontend/FrontendAction.cpp
@@ -314,6 +314,7 @@ bool FrontendAction::BeginSourceFile(CompilerInstance &CI,
                                 CI.getPreprocessorOpts().ImplicitPCHInclude,
                                 CI.getPreprocessorOpts().DisablePCHValidation,
                             CI.getPreprocessorOpts().AllowPCHWithCompilerErrors,
+                            /*AllowConfigurationMismatch*/false,
                                 DeserialListener);
       if (!CI.getASTContext().getExternalSource())
         goto failure;