Bug 79170

Summary: Should be able to reconfigure a non-configurable property as read-only
Product: WebKit Reporter: Gavin Barraclough <barraclough>
Component: JavaScriptCoreAssignee: Gavin Barraclough <barraclough>
Status: RESOLVED FIXED    
Severity: Normal    
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Fix sam: review+

Gavin Barraclough
Reported 2012-02-21 17:36:20 PST
See ES5.1 8.12.9 10.a.i - the spec prohibits making a read-only property writable, but does not inhibit making a writable property read-only.
Attachments
Fix (9.26 KB, patch)
2012-02-21 17:39 PST, Gavin Barraclough 		sam: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Gavin Barraclough
Comment 1 2012-02-21 17:39:35 PST
Created attachment 128095 [details] Fix
Sam Weinig
Comment 2 2012-02-21 17:42:27 PST
Comment on attachment 128095 [details] Fix View in context: https://bugs.webkit.org/attachment.cgi?id=128095&action=review > Source/JavaScriptCore/ChangeLog:3 > + Should be able to reconfigure a non-configurable property as writable This title contradicts the description below. > Source/JavaScriptCore/runtime/JSGlobalData.h:252 > - > + Why? > Source/JavaScriptCore/runtime/JSGlobalData.h:370 > + bool m_inDefineOwnProperty; > + > + This whitespace is not all needed.
Gavin Barraclough
Comment 3 2012-02-21 17:51:18 PST
Fixed in r108427
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