Release build: guard dump functions with "ifndef NDEBUG"

No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163344 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/MCAsmParser.cpp b/lib/MC/MCParser/MCAsmParser.cpp
index 3a825f0..93ee2dd 100644
--- a/lib/MC/MCParser/MCAsmParser.cpp
+++ b/lib/MC/MCParser/MCAsmParser.cpp
@@ -44,5 +44,7 @@
 }
 
 void MCParsedAsmOperand::dump() const {
+#ifndef NDEBUG
   dbgs() << "  " << *this;
+#endif
 }