[DWARF] Simplify DWARFAttribute. NFC.

The first argument in the constructor was ignored, and the remaining
arguments were always passed as their defaults.

Differential Revision: https://reviews.llvm.org/D64407

llvm-svn: 366188

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
index 62128429836..d638dc4239f 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
@@ -663,7 +663,7 @@ iterator_range<DWARFDie::attribute_iterator> DWARFDie::attributes() const {
 }
 
 DWARFDie::attribute_iterator::attribute_iterator(DWARFDie D, bool End)
-    : Die(D), AttrValue(0), Index(0) {
+    : Die(D), Index(0) {
   auto AbbrDecl = Die.getAbbreviationDeclarationPtr();
   assert(AbbrDecl && "Must have abbreviation declaration");
   if (End) {
@@ -693,7 +693,7 @@ void DWARFDie::attribute_iterator::updateForIndex(
     AttrValue.ByteSize = ParseOffset - AttrValue.Offset;
   } else {
     assert(Index == NumAttrs && "Indexes should be [0, NumAttrs) only");
-    AttrValue.clear();
+    AttrValue = {};
   }
 }