commit a1e299f58b2340a3c452f567626ed4baa62f8818
author Nicholas Wilson <nicholas@nicholaswilson.me.uk> Fri Apr 20 17:18:06 2018 +0000
committer Nicholas Wilson <nicholas@nicholaswilson.me.uk> Fri Apr 20 17:18:06 2018 +0000
tree 248938db3dbcc4a307c0c5d9c170c6ea0e688a96
parent 21d9c70b91ec7a8dc1e204502f3f3d429938e1d6

[WebAssembly] Implement GC for imports

Differential Revision: https://reviews.llvm.org/D44313

llvm-svn: 330454

lld/wasm/MarkLive.cpp

diff --git a/lld/wasm/MarkLive.cpp b/lld/wasm/MarkLive.cpp
index 38ffbcb..2b30f6a 100644
--- a/lld/wasm/MarkLive.cpp
+++ b/lld/wasm/MarkLive.cpp
@@ -40,13 +40,11 @@
   SmallVector<InputChunk *, 256> Q;
 
   auto Enqueue = [&](Symbol *Sym) {
-    if (!Sym)
+    if (!Sym || Sym->isLive())
       return;
-    InputChunk *Chunk = Sym->getChunk();
-    if (!Chunk || Chunk->Live)
-      return;
-    Chunk->Live = true;
-    Q.push_back(Chunk);
+    Sym->markLive();
+    if (InputChunk *Chunk = Sym->getChunk())
+      Q.push_back(Chunk);
   };
 
   // Add GC root symbols.