From: Teresa Johnson <tejohnson@google.com>
Date: Mon, 2 Nov 2015 20:43:33 +0000 (+0000)
Subject: Fix use-after-free in function index merging code.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=81c3746b68109c65a117332bce615614376d7b86;p=oota-llvm.git

Fix use-after-free in function index merging code.

This was flagged by ASAN when using a test case I will be committing
along with D13515.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251827 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/IR/FunctionInfo.cpp b/lib/IR/FunctionInfo.cpp
index 015f1235f6d..d26c7a4e9a0 100644
--- a/lib/IR/FunctionInfo.cpp
+++ b/lib/IR/FunctionInfo.cpp
@@ -23,7 +23,7 @@ void FunctionInfoIndex::mergeFrom(std::unique_ptr<FunctionInfoIndex> Other,
 
   StringRef ModPath;
   for (auto &OtherFuncInfoLists : *Other) {
-    StringRef FuncName = OtherFuncInfoLists.getKey();
+    std::string FuncName = OtherFuncInfoLists.getKey();
     FunctionInfoList &List = OtherFuncInfoLists.second;
 
     // Assert that the func info list only has one entry, since we shouldn't