From 5912c32ab0da188196f5d486edc7fb5153f1ee65 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Thu, 12 Sep 2013 21:55:47 -0700
Subject: do not switchify illegally-typed switches

---
 src/jsifier.js | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/jsifier.js b/src/jsifier.js
index 49f2c564..1f53b1a2 100644
--- a/src/jsifier.js
+++ b/src/jsifier.js
@@ -1148,6 +1148,10 @@ function JSify(data, functionsOnly, givenFunctions) {
     if (VERBOSE && useIfs && item.switchLabels.length >= 6) {
       warn('not optimizing llvm switch into js switch because range of values is ' + range + ', density is ' + range/item.switchLabels.length);
     }
+    if (!useIfs && isIllegalType(item.type)) {
+      useIfs = true;
+      if (VERBOSE) warn('not optimizing llvm switch because illegal type ' + item.type);
+    }
 
     var phiSets = calcPhiSets(item);
     // Consolidate checks that go to the same label. This is important because it makes the relooper simpler and faster.
-- 
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