From 8597c85a6066bb2f814f5ab821d307d415493c58 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Sat, 16 Jul 2016 15:51:20 -0700
Subject: fix dce bug in non-parallel mode, which happens in debug mode, and
 add debug testing

---
 src/passes/DeadCodeElimination.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/passes/DeadCodeElimination.cpp')

diff --git a/src/passes/DeadCodeElimination.cpp b/src/passes/DeadCodeElimination.cpp
index 9562b2973..de1191131 100644
--- a/src/passes/DeadCodeElimination.cpp
+++ b/src/passes/DeadCodeElimination.cpp
@@ -40,7 +40,12 @@ struct DeadCodeElimination : public WalkerPass<PostWalker<DeadCodeElimination, V
   Pass* create() override { return new DeadCodeElimination; }
 
   // whether the current code is actually reachable
-  bool reachable = true;
+  bool reachable;
+
+  void doWalkFunction(Function* func) {
+    reachable = true;
+    walk(func->body);
+  }
 
   std::set<Name> reachableBreaks;
 
-- 
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