From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Tue, 7 Sep 2010 14:40:58 +0000 (+0000)
Subject: Don't leak the old operand when transforming "sldt" into "sldtw".
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=aceeb3a4e2165e94624c3e5e2e7c93e325e951dd;p=oota-llvm.git

Don't leak the old operand when transforming "sldt" into "sldtw".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113200 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index e54edf26576..1950c1da195 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -837,8 +837,10 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
   // effect (both store to a 16-bit mem).  Force to sldtw to avoid ambiguity
   // errors, since its encoding is the most compact.
   if (Name == "sldt" && Operands.size() == 2 &&
-      static_cast<X86Operand*>(Operands[1])->isMem())
+      static_cast<X86Operand*>(Operands[1])->isMem()) {
+    delete Operands[0];
     Operands[0] = X86Operand::CreateToken("sldtw", NameLoc);
+  }
 
   return false;
 }