[llvm] r305771 - Fix unused function build error in lld

[Sam Clegg via llvm-commits]

Author: sbc
Date: Tue Jun 20 00:05:10 2017
New Revision: 305771

URL: http://llvm.org/viewvc/llvm-project?rev=305771&view=rev
Log:
Fix unused function build error in lld

The lld-x86_64-darwin13 is failing with:
 error: unused function 'operator<<'

Wrap the declation in ifndef NDEBUG, which matches
what is done in MipsELFObjectWriter.cpp.

Differential Revision: https://reviews.llvm.org/D34384

Modified:
    llvm/trunk/lib/MC/WasmObjectWriter.cpp

Modified: llvm/trunk/lib/MC/WasmObjectWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/WasmObjectWriter.cpp?rev=305771&r1=305770&r2=305771&view=diff
==============================================================================
--- llvm/trunk/lib/MC/WasmObjectWriter.cpp (original)
+++ llvm/trunk/lib/MC/WasmObjectWriter.cpp Tue Jun 20 00:05:10 2017
@@ -162,10 +162,12 @@ struct WasmRelocationEntry {
 #endif
 };
 
+#if !defined(NDEBUG)
 raw_ostream &operator<<(raw_ostream &OS, const WasmRelocationEntry &Rel) {
   Rel.print(OS);
   return OS;
 }
+#endif
 
 class WasmObjectWriter : public MCObjectWriter {
   /// Helper struct for containing some precomputed information on symbols.