Add workdir feature to release scripts.

BUG=408523
LOG=n
TEST=script_test.py
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/701463002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25056 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix for bug 429168, PdfJs regression. We pay a very high cost for AllocationResult being a > kPointerSize struct. This can be avoided by using Smis to indicate failure with retry spaces.

BUG=429168
LOG=N
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/699473002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25057 ce2b1a6d-e550-0410-aec6-3dcde31c8c00