Object: Don't mark alias unconditionally defined

Summary:
Can't remove EmitAssignment override as llvm/test/Object/X86/nm-bitcodeweak.test
expects this behavior.

Reviewers: pcc, espindola

Subscribers: mehdi_amini, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D44596

llvm-svn: 329651

1 files changed, 4 insertions, 1 deletions

diff --git a/llvm/lib/Object/RecordStreamer.cpp b/llvm/lib/Object/RecordStreamer.cpp
index 74130901d32..21577bb5696 100644
--- a/llvm/lib/Object/RecordStreamer.cpp
+++ b/llvm/lib/Object/RecordStreamer.cpp
@@ -216,7 +216,10 @@ void RecordStreamer::flushSymverDirectives() {
       // TODO: Handle "@@@". Depending on SymbolAttribute value it needs to be
       // converted into @ or @@.
       const MCExpr *Value = MCSymbolRefExpr::create(Aliasee, getContext());
-      EmitAssignment(Alias, Value);
+      if (IsDefined)
+        markDefined(*Alias);
+      // Don't use EmitAssignment override as it always marks alias as defined.
+      MCStreamer::EmitAssignment(Alias, Value);
       if (Attr != MCSA_Invalid)
         EmitSymbolAttribute(Alias, Attr);
     }