JSTraceOp
in that case the embedding can check if the traversal is a part of the marking phase through calling js_isgcmarkingtracer and apply a special code like emptying caches or marking its native structures.

SpiderMonkey 45
njsstring renamed to js_atomizeandpinjsstring (bug 1178581) js_internstringn renamed to js_atomizeandpinstringn (bug 1178581) js_internstring renamed to js_atomizeandpinstring (bug 1178581) js_internucstringn renamed to js_atomizeandpinucstringn (bug 1178581) js_internucstring renamed to js_atomizeandpinucstring (bug 1178581) deleted apis js_getcompartmentstats js_seticumemoryfunctions js_isgcmarkingtracer js_ismarkinggray js_idarraylength js_idarrayget js_destroyidarray js_defaultvalue js_getparent js_setparent js::parsepropertydescriptorobject js_deleteproperty2 js_deletepropertybyid2 js_deleteucproperty2 js_deleteelement2 js_newfunctionbyid js_bindcallable js_decompilefunctionbody js_getlatin1internedstringchars js_gettwobyteinternedstringchars js_newdateobjectmsec js_cleardat...