From c715cec68f4c965ca443669fcf48eecfa70b52d8 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Fri, 8 Nov 2013 14:54:18 -0800
Subject: invalidate calls on conditionals in js optimizer, to avoid
 eliminating into a non-executing code path

---
 tools/js-optimizer.js | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'tools/js-optimizer.js')

diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js
index 022bdf47..36244298 100644
--- a/tools/js-optimizer.js
+++ b/tools/js-optimizer.js
@@ -2485,6 +2485,10 @@ function eliminate(ast, memSafe) {
         } else if (type === 'return') {
           if (node[1]) traverseInOrder(node[1]);
         } else if (type === 'conditional') {
+          if (!callsInvalidated) { // invalidate calls, since we cannot eliminate them into a branch of an LLVM select/JS conditional that does not execute
+            invalidateCalls();
+            callsInvalidated = true;
+          }
           traverseInOrder(node[1]);
           traverseInOrder(node[2]);
           traverseInOrder(node[3]);
-- 
cgit v1.2.3-18-g5258