[llvm] r268901 - [Mips] Fix use after free.

[Benjamin Kramer via llvm-commits]

Author: d0k
Date: Mon May  9 05:21:56 2016
New Revision: 268901

URL: http://llvm.org/viewvc/llvm-project?rev=268901&view=rev
Log:
[Mips] Fix use after free.

Modified:
    llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp

Modified: llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp?rev=268901&r1=268900&r2=268901&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp (original)
+++ llvm/trunk/lib/Target/Mips/AsmParser/MipsAsmParser.cpp Mon May  9 05:21:56 2016
@@ -4693,8 +4693,7 @@ MipsAsmParser::parseRegisterPair(Operand
   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;
 }