2 Commits

Author	SHA1	Message	Date
verwaest@chromium.org	169f5a9d7b	Never hchange nan-hole to hole or hole to nan-hole. ... Only allow changing hole to nan if all uses allow undefined as nan. R=danno@chromium.org Review URL: https://chromiumcodereview.appspot.com/22152003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00	2013-08-14 08:54:27 +00:00
bmeurer@chromium.org	82e4ba6f70	Turn mark deoptimize on undefined into a proper HPhase. ... This patch also removes the implicit recursion on phi operands, using a loop and a worklist instead, to avoid potential stack overflows. R=dslomov@chromium.org Review URL: https://codereview.chromium.org/21065003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15952 ce2b1a6d-e550-0410-aec6-3dcde31c8c00	2013-07-30 10:25:20 +00:00