From: Daniel Sanders <daniel_l_sanders@apple.com>
Date: Fri, 13 Oct 2017 21:51:20 +0000 (+0000)
Subject: [globalisel][tablegen] Fix a use-after free bug that manifests on non-macOS machines.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c9676b5d356572b27936fb24d9d5f13688a7710a;p=llvm

[globalisel][tablegen] Fix a use-after free bug that manifests on non-macOS machines.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315765 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/utils/TableGen/GlobalISelEmitter.cpp b/utils/TableGen/GlobalISelEmitter.cpp
index 2e86b17d0b9..71a2b2c3f21 100644
--- a/utils/TableGen/GlobalISelEmitter.cpp
+++ b/utils/TableGen/GlobalISelEmitter.cpp
@@ -2628,7 +2628,7 @@ void GlobalISelEmitter::emitImmPredicates(
   if (!MatchedRecords.empty()) {
     OS << "// PatFrag predicates.\n"
        << "enum {\n";
-    StringRef EnumeratorSeparator =
+    std::string EnumeratorSeparator =
         (" = GIPFP_" + TypeIdentifier + "_Invalid + 1,\n").str();
     for (const auto *Record : MatchedRecords) {
       OS << "  GIPFP_" << TypeIdentifier << "_Predicate_" << Record->getName()