[llvm] r312028 - [llvm-rc] Fix DIALOG(EX) parsing ability (parser, pt 5/8).

[Marek Sokolowski via llvm-commits]

Author: mnbvmar
Date: Tue Aug 29 13:03:18 2017
New Revision: 312028

URL: http://llvm.org/viewvc/llvm-project?rev=312028&view=rev
Log:
[llvm-rc] Fix DIALOG(EX) parsing ability (parser, pt 5/8).

This fixes a use-after-free bug that was noticed by a sanitizer buildbot
(http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/7502).

Differential Revision: https://reviews.llvm.org/D37271

Modified:
    llvm/trunk/tools/llvm-rc/ResourceScriptParser.cpp

Modified: llvm/trunk/tools/llvm-rc/ResourceScriptParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-rc/ResourceScriptParser.cpp?rev=312028&r1=312027&r2=312028&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-rc/ResourceScriptParser.cpp (original)
+++ llvm/trunk/tools/llvm-rc/ResourceScriptParser.cpp Tue Aug 29 13:03:18 2017
@@ -329,7 +329,7 @@ Expected<Control> RCParser::parseControl
   //  [class]       id, x, y, width, height [, style] [, exstyle] [, helpID]
   // Note that control ids must be integers.
   ASSIGN_OR_RETURN(ClassResult, readIdentifier());
-  StringRef ClassUpper = ClassResult->upper();
+  std::string ClassUpper = ClassResult->upper();
   if (Control::SupportedCtls.find(ClassUpper) == Control::SupportedCtls.end())
     return getExpectedError("control type, END or '}'", true);