From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Mon, 9 May 2016 10:21:56 +0000 (+0000)
Subject: [Mips] Fix use after free.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=04c6ebbe7100a1fc405236a12b9e9cbdeafe226f;p=llvm

[Mips] Fix use after free.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268901 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 1b61535c75a..aed0004e2a1 100644
--- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -4693,8 +4693,7 @@ MipsAsmParser::parseRegisterPair(OperandVector &Operands) {
   SMLoc E = Parser.getTok().getLoc();
   MipsOperand &Op = static_cast<MipsOperand &>(*Operands.back());
 
-  Operands.pop_back();
-  Operands.push_back(MipsOperand::CreateRegPair(Op, S, E, *this));
+  Operands.back() = MipsOperand::CreateRegPair(Op, S, E, *this);
   return MatchOperand_Success;
 }