mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
55 lines
2.1 KiB
XML
55 lines
2.1 KiB
XML
<?xml version="1.0"?>
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<!--
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Program received signal SIGSEGV, Segmentation fault.
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0xb6457185 in nsIContent::SetAttr (this=0x0, aNameSpaceID=0, aName=0xb0cb064c, aValue=..., aNotify=1) at ../../dist/include/nsIContent.h:285
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285 return SetAttr(aNameSpaceID, aName, nsnull, aValue, aNotify);
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(gdb) p this
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$6 = (nsIContent * const) 0x0
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(gdb) bt 3
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#0 0xb6457185 in nsIContent::SetAttr (this=0x0, aNameSpaceID=0, aName=0xb0cb064c, aValue=..., aNotify=1) at ../../dist/include/nsIContent.h:285
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#1 0xb6b72072 in nsTreeColumns::RestoreNaturalOrder (this=0xaaf83cc0) at layout/xul/base/src/tree/src/nsTreeColumns.cpp:605
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#2 0xb736c76f in NS_InvokeByIndex_P () at xpcom/reflect/xptcall/src/md/unix/xptcinvoke_gcc_x86_unix.cpp:69
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(More stack frames follow...)
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(gdb) frame 1
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#1 0xb6b72072 in nsTreeColumns::RestoreNaturalOrder (this=0xaaf83cc0) at layout/xul/base/src/tree/src/nsTreeColumns.cpp:605
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605 child->SetAttr(kNameSpaceID_None, nsGkAtoms::ordinal, ordinal, PR_TRUE);
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(gdb) list
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600 PRUint32 numChildren = colsContent->GetChildCount();
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601 for (PRUint32 i = 0; i < numChildren; ++i) {
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602 nsIContent *child = colsContent->GetChildAt(i);
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603 nsAutoString ordinal;
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604 ordinal.AppendInt(i);
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605 child->SetAttr(kNameSpaceID_None, nsGkAtoms::ordinal, ordinal, PR_TRUE);
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606 }
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(gdb) p child
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$7 = (nsIContent *) 0x0
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First loop iteration: |child->SetAttr()| dispatches "DOMAttrModified" event.
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Event listener removes next column. Second loop iteration: |colsContent->GetChildAt(i)|
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returns null. Then we have |null->SetAttr()|.
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-->
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<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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onload="run();">
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<tree id="tree">
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<treecols>
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<treecol id="col1"/>
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<treecol id="col2"/>
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</treecols>
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<treechildren/>
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</tree>
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<script type="text/javascript"><![CDATA[
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function listener() {
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var col2 = document.getElementById("col2");
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col2.parentNode.removeChild(col2);
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}
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function run() {
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var col1 = document.getElementById("col1");
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col1.addEventListener("DOMAttrModified", listener, true);
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var tree = document.getElementById("tree");
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tree.columns.restoreNaturalOrder();
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}
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]]></script>
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</window>
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