From f58ed31a1ba04d0ff8f62393e1ee71ec8235cb0c Mon Sep 17 00:00:00 2001
From: yangguo <yangguo@chromium.org>
Date: Thu, 14 Jan 2016 06:45:25 -0800
Subject: [PATCH] [debugger] tentative fix for crash in
 FindSharedFunctionInfoInScript.

R=ulan@chromium.org
BUG=chromium:567937
LOG=N

Review URL: https://codereview.chromium.org/1584023003

Cr-Commit-Position: refs/heads/master@{#33298}
---
 src/debug/debug.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/debug/debug.cc b/src/debug/debug.cc
index 955f866182..bd45b71551 100644
--- a/src/debug/debug.cc
+++ b/src/debug/debug.cc
@@ -1300,6 +1300,7 @@ Handle<Object> Debug::FindSharedFunctionInfoInScript(Handle<Script> script,
       closure = finder.ResultClosure();
       shared = finder.Result();
     }
+    if (shared == NULL) break;
     HandleScope scope(isolate_);
     if (closure == NULL) {
       if (!Compiler::CompileDebugCode(handle(shared))) break;