Revert an accidental commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75553 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 196d7d9..d7fde5f 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -257,7 +257,7 @@
   if (OptLevel != CodeGenOpt::None) {
     PM.add(createMachineLICMPass());
     PM.add(createMachineSinkingPass());
-    printAndVerify(PM, /* allowDoubleDefs= */ false);
+    printAndVerify(PM, /* allowDoubleDefs= */ true);
   }
 
   // Run pre-ra passes.