Fix ARM/MIPS versions of r19607

kNoCodeAgeSequenceLength is in bytes on ia32/x64, but in instructions on arm/mips.

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/183893006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19617 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Remove Script::SetData and the script_data parameter from Script::(Compile|New)."

This reverts revision 19616.

BUG=
TBR=marja@chromium.org,svenpanne@chromium.org

Review URL: https://codereview.chromium.org/181113008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19618 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Check elimination did not mark some dead blocks.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/180483003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19619 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Update README about where the test262 files are downloaded from.

BUG=none
TBR=jkummerow@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/184573003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19620 ce2b1a6d-e550-0410-aec6-3dcde31c8c00