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Last Comment Bug 678128 - "Assertion failure: sharedBlock," with e4x
: "Assertion failure: sharedBlock," with e4x
: assertion, regression, testcase
Product: Core
Classification: Components
Component: JavaScript Engine (show other bugs)
: Trunk
: x86 Mac OS X
: -- critical (vote)
: ---
Assigned To: general
: Jason Orendorff [:jorendorff]
Depends on:
Blocks: jsfunfuzz
  Show dependency treegraph
Reported: 2011-08-10 21:10 PDT by Gary Kwong [:gkw] [:nth10sd]
Modified: 2011-12-09 13:58 PST (History)
5 users (show)
See Also:
Crash Signature:
QA Whiteboard:
Iteration: ---
Points: ---
Has Regression Range: ---
Has STR: ---

dis() information, and stack (5.26 KB, text/plain)
2011-08-10 21:10 PDT, Gary Kwong [:gkw] [:nth10sd]
no flags Details

Description Gary Kwong [:gkw] [:nth10sd] 2011-08-10 21:10:32 PDT
Created attachment 552302 [details]
dis() information, and stack

f = (function() {
    for (let d in [0]) {
        for each(let y in <x/>) {}
trap(f, 48, undefined);

asserts j debug shell on JM changeset 06f56dc1a119 with -d at Assertion failure: sharedBlock,

The repository already has the following fix:
Comment 1 Gary Kwong [:gkw] [:nth10sd] 2011-12-09 13:58:36 PST
Probably fixed by bug 672804.

autoBisect shows this is probably related to the following changeset:

The first good revision is:
changeset:   74231:28f58b7bc69e
user:        Jason Orendorff
date:        Wed Aug 10 17:40:39 2011 -0500
summary:     Bug 672804 - "Assertion failure: parent" with trap right after JSOP_ENTERBLOCK. r=billm.

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