diff --git a/llvm/lib/CodeGen/LLVMTargetMachine.cpp b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
--- a/llvm/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
@@ -277,8 +277,13 @@
   MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getMCInstrInfo(), *Ctx);
   MCAsmBackend *MAB =
       getTarget().createMCAsmBackend(STI, MRI, Options.MCOptions);
-  if (!MCE || !MAB)
+  if (!MCE || !MAB) {
+    if (MCE)
+      delete MCE;
+    if (MAB)
+      delete MAB;
     return true;
+  }
 
   const Triple &T = getTargetTriple();
   std::unique_ptr<MCStreamer> AsmStreamer(getTarget().createMCObjectStreamer(