Simplified Assembler::target_pointer_address_at.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/59913002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17492 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add back assertion SetResourceConstraints.

This reverts commit f7f04272208d565020b528145ce6cef0f89c7079.

BUG=312233
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/59133003

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17493 ce2b1a6d-e550-0410-aec6-3dcde31c8c00