X87: Check that external references are registered in the serializer.
port r22896 original commit message: Check that external references are registered in the serializer. Inspired by a patch by Slava Chigrin <vchigrin@yandex-team.ru>; BUG= R=weiliang.lin@intel.com Review URL: https://codereview.chromium.org/446003004 Patch from Chunyang Dai <chunyang.dai@intel.com>. git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22952 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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@ -3015,6 +3015,7 @@ void MacroAssembler::CheckPageFlagForMap(
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Label::Distance condition_met_distance) {
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DCHECK(cc == zero || cc == not_zero);
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Page* page = Page::FromAddress(map->address());
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DCHECK(!serializer_enabled()); // Serializer cannot match page_flags.
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ExternalReference reference(ExternalReference::page_flags(page));
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// The inlined static address check of the page's flags relies
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// on maps never being compacted.
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