[llvm] r305842 - [codeview] Fully initialize DataSym when mapping from YAML

[Reid Kleckner via llvm-commits]

Author: rnk
Date: Tue Jun 20 15:34:37 2017
New Revision: 305842

URL: http://llvm.org/viewvc/llvm-project?rev=305842&view=rev
Log:
[codeview] Fully initialize DataSym when mapping from YAML

In the object file, the section index and relative offset are typically
zero, so make these YAML fields optional with a default.

It looks like there may be more partially initialized symbol records,
but this should fix the msan bot.

Modified:
    llvm/trunk/lib/ObjectYAML/CodeViewYAMLSymbols.cpp

Modified: llvm/trunk/lib/ObjectYAML/CodeViewYAMLSymbols.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ObjectYAML/CodeViewYAMLSymbols.cpp?rev=305842&r1=305841&r2=305842&view=diff
==============================================================================
--- llvm/trunk/lib/ObjectYAML/CodeViewYAMLSymbols.cpp (original)
+++ llvm/trunk/lib/ObjectYAML/CodeViewYAMLSymbols.cpp Tue Jun 20 15:34:37 2017
@@ -489,6 +489,8 @@ template <> void SymbolRecordImpl<Consta
 template <> void SymbolRecordImpl<DataSym>::map(IO &IO) {
   // TODO: Map linkage name
   IO.mapRequired("Type", Symbol.Type);
+  IO.mapOptional("DataOffset", Symbol.DataOffset, 0U);
+  IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
   IO.mapRequired("DisplayName", Symbol.Name);
 }