Addressing a couple of compiler warnings introduced with r332759.

llvm-svn: 332766
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp b/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
index 9bdcfcb..963834e 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFUnit.cpp
@@ -322,7 +322,7 @@
         RngListTable = TableOrError.get();
       else
         WithColor::error() << "parsing a range list table: "
-                           << toString(std::move(TableOrError.takeError()))
+                           << toString(TableOrError.takeError())
                            << '\n';
 
       // In a split dwarf unit, there is no DW_AT_rnglists_base attribute.
@@ -377,7 +377,7 @@
       DWO->RngListTable = TableOrError.get();
     else
       WithColor::error() << "parsing a range list table: "
-                         << toString(std::move(TableOrError.takeError()))
+                         << toString(TableOrError.takeError())
                          << '\n';
     if (DWO->RngListTable)
       DWO->RangeSectionBase = DWO->RngListTable->getHeaderSize();