Add no-variants option to test runner.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/48883003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17440 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix uint32-to-smi conversion in Lithium

BUG=chromium:309623
R=vegorov@google.com, yangguo@chromium.org

Review URL: https://codereview.chromium.org/54393002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17441 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Avoid pre-aging when debugger is active

BUG=None
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/47023003

Patch from Ross McIlroy <rmcilroy@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17443 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[Sheriff] Mark flaky test.

BUG=v8:2921
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/54423002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[Sheriff] Mark failing test for nacl port.

BUG=v8:2978
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/50333005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17445 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Prepare push to trunk.  Now working on version 3.23.0.

R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/50943003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17448 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Fix uint32-to-smi conversion in Lithium.

Port r17441 (f1968f4)

BUG=chromium:309623
TEST=mjsunit/regress/regress-crbug-309623
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/49783010

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17451 ce2b1a6d-e550-0410-aec6-3dcde31c8c00