From: Douglas Gregor <dgregor@apple.com>
Date: Tue, 13 Sep 2011 23:20:27 +0000 (+0000)
Subject: Assert that the module hash produced after stripping away non-modular options is... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=76d991ec6c5cd247ee18fe65c35d43c2d47cf094;p=clang

Assert that the module hash produced after stripping away non-modular options is the same as the module hash before stripping those options.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139663 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index 720f7bb582..9a679eed24 100644
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -671,9 +671,8 @@ static void compileModule(CompilerInstance &ImportingInstance,
   
   Invocation->getDiagnosticOpts().VerifyDiagnostics = 0;
   
-  // FIXME: Strip away all of the compilation options that won't be transferred
-  // down to the module. This presumably includes -D flags, optimization 
-  // settings, etc.
+  assert(ImportingInstance.getInvocation().getModuleHash() ==
+           Invocation->getModuleHash() && "Module hash mismatch!");
   
   // Construct a compiler instance that will be used to actually create the
   // module.