Simplified slot buffer logic during weak list visiting.

Tiny reformatting cleanup on the way.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/282493004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21278 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Require CMOV support for the ia32 port.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/275253004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21279 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove unused -p option from d8.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/280543002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21280 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Sync change log from trunk.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/280703006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21281 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Sync change log from trunk."

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21282 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix incremental marking of native context when bootstrapping.

This should fix one of the arm64 build breaks - we have tried to mark
half-initialized native context there, but the normalized_map_cache
entry was still undefined.

R=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/284633002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21283 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Simplify DoubleRegister for the ia32 port.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/284503002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21284 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
ARM64: Fix native builds

On ARM64, HasListItem() isn't used, so the compiler complains. Use the
preprocessor to remove it from ARM64 builds.

BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/285463003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21285 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Prevent interference of allocation sites with array-natives-elements test.

This should make the arm64 build green again.

R=mvstanton@chromium.org
BUG=

Review URL: https://codereview.chromium.org/285663005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21288 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/bleeding_edge' into bleeding_edge