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Issue 2322 in v8: Crash in "let" scope resolution
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codesite-nore...@google.com  
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 More options Sep 6 2012, 10:13 am
From: codesite-nore...@google.com
Date: Thu, 06 Sep 2012 14:13:17 +0000
Local: Thurs, Sep 6 2012 10:13 am
Subject: Issue 2322 in v8: Crash in "let" scope resolution
Status: Accepted
Owner: rossb...@chromium.org
Labels: Type-Bug Priority-Medium

New issue 2322 by jkumme...@chromium.org: Crash in "let" scope resolution
http://code.google.com/p/v8/issues/detail?id=2322

V8 version 3.13.6, ia32 debug with --harmony flag

Running the following testcase:
-----
"use strict";

var result = '';
for (let p in { get a() {}, b : p}) { result += p; }
-----

results in:

#
# Fatal error in ../src/scopes.cc, line 738
# CHECK(s != __null) failed
#


 
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codesite-nore...@google.com  
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 More options Sep 7 2012, 6:08 am
From: codesite-nore...@google.com
Date: Fri, 07 Sep 2012 10:08:19 +0000
Local: Fri, Sep 7 2012 6:08 am
Subject: Re: Issue 2322 in v8: Crash in "let" scope resolution
Updates:
        Cc: farca...@chromium.org

Comment #1 on issue 2322 by jkumme...@chromium.org: Crash in "let" scope  
resolution
http://code.google.com/p/v8/issues/detail?id=2322

Here's another one. If it turns out to be unrelated, feel free to split it  
out into a separate issue.

Test case:
-----
"use strict";

let s = "outer_s";  // Removing this line makes it pass

for (let p in {a : 1}) {}  // Removing this line makes it pass

function burn(x) {
   if ({} instanceof function() { p = true; }) {}  // Accessing "p" here  
crashes.

}

burn();
-----

Failure:

#
# Fatal error in ../src/scopes.cc, line 412
# CHECK(scope_info_->StackSlotIndex(*name) < 0) failed
#


 
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codesite-nore...@google.com  
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 More options Sep 13 2012, 4:11 am
From: codesite-nore...@google.com
Date: Thu, 13 Sep 2012 08:11:22 +0000
Local: Thurs, Sep 13 2012 4:11 am
Subject: Re: Issue 2322 in v8: Crash in "let" scope resolution
Updates:
        Labels: V8Fuzzer

Comment #2 on issue 2322 by yang...@chromium.org: Crash in "let" scope  
resolution
http://code.google.com/p/v8/issues/detail?id=2322

(No comment was entered for this change.)


 
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codesite-nore...@google.com  
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 More options Sep 13 2012, 4:14 am
From: codesite-nore...@google.com
Date: Thu, 13 Sep 2012 08:14:23 +0000
Local: Thurs, Sep 13 2012 4:14 am
Subject: Re: Issue 2322 in v8: Crash in "let" scope resolution
Updates:
        Cc: mstarzin...@chromium.org
        Labels: Harmony

Comment #3 on issue 2322 by mstarzin...@chromium.org: Crash in "let" scope  
resolution
http://code.google.com/p/v8/issues/detail?id=2322

This is also tracked on ClusterFuzz now:  
https://cluster-fuzz.appspot.com/testcase?key=108149676


 
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codesite-nore...@google.com  
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 More options Oct 5 2012, 5:17 am
From: codesite-nore...@google.com
Date: Fri, 05 Oct 2012 09:17:11 +0000
Local: Fri, Oct 5 2012 5:17 am
Subject: Re: Issue 2322 in v8: Crash in "let" scope resolution

Comment #4 on issue 2322 by rossb...@chromium.org: Crash in "let" scope  
resolution
http://code.google.com/p/v8/issues/detail?id=2322

I fixed the original issue, now looking into the one from Comment 1, which  
is different.


 
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codesite-nore...@google.com  
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 More options Oct 5 2012, 8:48 am
From: codesite-nore...@google.com
Date: Fri, 05 Oct 2012 12:48:14 +0000
Local: Fri, Oct 5 2012 8:48 am
Subject: Re: Issue 2322 in v8: Crash in "let" scope resolution
Updates:
        Status: Fixed

Comment #5 on issue 2322 by rossb...@chromium.org: Crash in "let" scope  
resolution
http://code.google.com/p/v8/issues/detail?id=2322

Other issue fixed, too.


 
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