MC/X86: Fix an MCOperand link, when we parsing shrld $1,%eax and friends; I believe this fixes the last memory leaks under test/MC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99102 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index bfadd4e..47873d1 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -569,8 +569,10 @@
       Operands.size() == 3 &&
       static_cast<X86Operand*>(Operands[1])->isImm() &&
       isa<MCConstantExpr>(static_cast<X86Operand*>(Operands[1])->getImm()) &&
-      cast<MCConstantExpr>(static_cast<X86Operand*>(Operands[1])->getImm())->getValue() == 1)
+      cast<MCConstantExpr>(static_cast<X86Operand*>(Operands[1])->getImm())->getValue() == 1) {
+    delete Operands[1];
     Operands.erase(Operands.begin() + 1);
+  }
 
   return false;
 }