[llvm] r334580 - Fix "Optional" is ambiguous error on some bots

[Pavel Labath via llvm-commits]

Author: labath
Date: Wed Jun 13 01:29:19 2018
New Revision: 334580

URL: http://llvm.org/viewvc/llvm-project?rev=334580&view=rev
Log:
Fix "Optional" is ambiguous error on some bots

Modified:
    llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp

Modified: llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp?rev=334580&r1=334579&r2=334580&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp (original)
+++ llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp Wed Jun 13 01:29:19 2018
@@ -330,7 +330,7 @@ static DWARFDie toDie(const DWARFDebugNa
   if (!CU)
     return DWARFDie();
 
-  if (Optional<uint64_t> DWOId = CU->getDWOId()) {
+  if (llvm::Optional<uint64_t> DWOId = CU->getDWOId()) {
     // This is a skeleton unit. Look up the DIE in the DWO unit.
     CU = DICtx.getDWOCompileUnitForHash(*DWOId);
     if (!CU)