Fix a use after free when the streamer is destroyed. Fixes pr12622.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156606 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp
index 1dbd64bdc0be269a5a7f1fd4e8290efb1c0ea209..9a7d76832a10765e4f2a2bd236f6582945ded454 100644 (file)
--- a/tools/lto/LTOModule.cpp
+++ b/tools/lto/LTOModule.cpp
@@ -409,7 +409,7 @@ void LTOModule::addAsmGlobalSymbol(const char *name,
     // much.
 
     // fill information structure
-    info.name = name;
+    info.name = entry.getKey().data();
     info.attributes =
       LTO_SYMBOL_PERMISSIONS_DATA | LTO_SYMBOL_DEFINITION_REGULAR | scope;
     info.isFunction = false;