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

lib/MC/MCAssembler.cpp

@@ -830,6 +830,7 @@ raw_ostream &operator<<(raw_ostream &OS, const MCFixup &AF) {
 
 }
 
+#ifndef NDEBUG
 void MCFragment::dump() {
   raw_ostream &OS = llvm::errs();
 
@@ -970,6 +971,7 @@ void MCAssembler::dump() {
   }
   OS << "]>\n";
 }
+#endif
 
 // anchors for MC*Fragment vtables
 void MCDataFragment::anchor() { }