From 485166f4a184543fda936b8c458f0f4b74c0368f Mon Sep 17 00:00:00 2001
From: "Alon Zakai (kripken)" <alonzakai@gmail.com>
Date: Tue, 11 Jul 2017 15:00:14 -0700
Subject: fix handling of an if in a tee without an else, in coalesce-locals

---
 src/passes/CoalesceLocals.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/passes/CoalesceLocals.cpp b/src/passes/CoalesceLocals.cpp
index b36542a97..87eefb85c 100644
--- a/src/passes/CoalesceLocals.cpp
+++ b/src/passes/CoalesceLocals.cpp
@@ -196,7 +196,9 @@ struct CoalesceLocals : public WalkerPass<CFGWalker<CoalesceLocals, Visitor<Coal
     if (auto* get = set->value->dynCast<GetLocal>()) return get;
     if (auto* iff = set->value->dynCast<If>()) {
       if (auto* get = iff->ifTrue->dynCast<GetLocal>()) return get;
-      if (auto* get = iff->ifFalse->dynCast<GetLocal>()) return get;
+      if (iff->ifFalse) {
+        if (auto* get = iff->ifFalse->dynCast<GetLocal>()) return get;
+      }
     }
     return nullptr;
   }
-- 
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