[Webkit-unassigned] [Bug 50412] New: http://www.wunderground.com/US/CA/Hayward.html causes big memory spike during page loading

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50412

           Summary: http://www.wunderground.com/US/CA/Hayward.html causes
                    big memory spike during page loading
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://www.wunderground.com/US/CA/Hayward.html
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: koivisto at iki.fi


http://www.wunderground.com/US/CA/Hayward.html causes big memory spike (>60MB) during page loading.

The memory i used under this stack:

#0  JSC::JSString::resolveRope (this=0x107cdaa0, exec=0x131b5098) at /Users/antti/jasper/webkit/JavaScriptCore/runtime/JSString.cpp:46
#1  0x00390821 in JSC::JSString::value (this=0x107cdaa0, exec=0x131b5098) at JSString.h:327
#2  0x004ca677 in JSC::JSValue::toThisString (this=0xb01ca590, exec=0x131b5098) at JSObject.h:731
#3  0x004c7978 in JSC::stringProtoFuncSubstr (exec=0x131b5098, thisValue={m_ptr = 0x107cdaa0}, args=@0xb01ca728) at /Users/antti/jasper/webkit/JavaScriptCore/runtime/StringPrototype.cpp:728
#4  0x00420743 in JSC::Interpreter::privateExecute (this=0x9855200, flag=JSC::Interpreter::Normal, registerFile=0x985520c, callFrame=0x131b505c, e

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