Use internal memcpy for PatchPlatformCodeAge as well.

R=jkummerow@chromium.org
BUG=chromium:196330

Review URL: https://codereview.chromium.org/12970009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14029 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Delete leftover debugging code from InitializeMathExpData()

Review URL: https://codereview.chromium.org/12858008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00