From ab75fd0694e7e5bc3d23926fbe7e73198aee03b1 Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Tue, 11 Nov 2014 23:13:10 +0000
Subject: [PATCH] libLTO: Assert if LTOCodeGenerator and LTOModule are from
 different contexts

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221730 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/LTO/LTOCodeGenerator.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/LTO/LTOCodeGenerator.cpp b/lib/LTO/LTOCodeGenerator.cpp
index 31ab3401c9d..c663d43fe7f 100644
--- a/lib/LTO/LTOCodeGenerator.cpp
+++ b/lib/LTO/LTOCodeGenerator.cpp
@@ -128,6 +128,9 @@ void LTOCodeGenerator::initializeLTOPasses() {
 }
 
 bool LTOCodeGenerator::addModule(LTOModule *mod) {
+  assert(&mod->getModule().getContext() == &Context &&
+         "Expected module in same context");
+
   bool ret = IRLinker.linkInModule(&mod->getModule());
 
   const std::vector<const char*> &undefs = mod->getAsmUndefinedRefs();