From ef7555fbb2349d88fd21aca6bb4fb7e542573e5e Mon Sep 17 00:00:00 2001
From: Mehdi Amini <mehdi.amini@apple.com>
Date: Wed, 13 Apr 2016 01:52:32 +0000
Subject: [PATCH] Fix FunctionImport export list computation: need to take a
 reference to a map entry to actually modify it

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 266159
---
 llvm/lib/Transforms/IPO/FunctionImport.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/IPO/FunctionImport.cpp b/llvm/lib/Transforms/IPO/FunctionImport.cpp
index 63cfca424c5f..088b114e7872 100644
--- a/llvm/lib/Transforms/IPO/FunctionImport.cpp
+++ b/llvm/lib/Transforms/IPO/FunctionImport.cpp
@@ -177,7 +177,7 @@ static void computeImportForFunction(
     // Make exports in the source module.
     auto ExportModulePath = CalleeSummary->modulePath();
     if (ExportLists) {
-      auto ExportList = (*ExportLists)[ExportModulePath];
+      auto &ExportList = (*ExportLists)[ExportModulePath];
       ExportList.insert(GUID);
       // Mark all functions and globals referenced by this function as exported
       // to the outside if they are defined in the same source module.