[Webkit-unassigned] [Bug 92178] New: ASSERTION FAILED: !StringWrapperCFAllocator::currentString : CFStringRef WTF::StringImpl::createCFString()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=92178

           Summary: ASSERTION FAILED:
                    !StringWrapperCFAllocator::currentString : CFStringRef
                    WTF::StringImpl::createCFString()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rex_4539 at yahoo.com


r123525
OS X 10.8 (12A269)

Reproducibility: always

Steps:
$ WebKit/Tools/Scripts/run-safari --debug

ASSERTION FAILED: !StringWrapperCFAllocator::currentString
/Users/rex/WebKit/Source/WebCore/platform/text/cf/StringImplCF.cpp(155) : CFStringRef WTF::StringImpl::createCFString()
1   0x108db0d89 WTF::StringImpl::createCFString()
2   0x108db1165 WTF::StringImpl::operator NSString*()
3   0x1062173d7 WTF::String::operator NSString*() const
4   0x1062ef024 stringArray(WTF::HashSet<WTF::String, WTF::StringHash, WTF::HashTraits<WTF::String> > const&)
5   0x1062eeec1 +[WebHTMLRepresentation supportedNonImageMIMETypes]
6   0x1062f779e +[WebHTMLView(WebPrivate) supportedNonImageMIMETypes]
7   0x1062ce749 +[WebFrameView(WebInternal) _viewTypesAllowImageTypeOmission:]
8   0x1063a509d +[WebView registerViewClass:representationClass:forMIMEType:]
9   0x10639807e +[WebView(WebPrivate) _registerViewClass:representationClass:forURLScheme:]
10  0x7fff8dbf7037 +[AppController(FileInternal) _registerForCustomURLSchemes]
11  0x7fff8dbf1aa1 +[AppController initialize]
12  0x7fff8ec3e2b6 _class_initialize
13  0x7fff8ec3e173 prepareForMethodLookup
14  0x7fff8ec3df6f lookUpMethod
15  0x7fff8ec3c37c objc_msgSend
16  0x7fff90c0f725 -[NSCustomObject nibInstantiate]
17  0x7fff90bef0b2 -[NSIBObjectData instantiateObject:]
18  0x7fff90bee857 -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:]
19  0x7fff90bcdb7d loadNib
20  0x7fff90bcd0a9 +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:]
21  0x7fff90bccede -[NSBundle(NSNibLoading) loadNibNamed:owner:topLevelObjects:]
22  0x7fff90bcccbe +[NSBundle(NSNibLoading) loadNibNamed:owner:]
23  0x7fff90bc947f NSApplicationMain
24  0x7fff8de02734 SafariMain
25  0x7fff907647e1 start
26  0x1

Expected result:
No assert failure.

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