Some very-surface-level comments.
https://codereview.chromium.org/1157663007/diff/40001/src/compiler/register-allocator.cc
File src/compiler/register-allocator.cc (right):
https://codereview.chromium.org/1157663007/diff/40001/src/compiler/register-allocator.cc#newcode2101
Throwing out some random nits from the CC list.
https://codereview.chromium.org/1061923005/diff/290001/src/compiler/register-allocator.cc
File src/compiler/register-allocator.cc (right):
https://codereview.chromium.org/1061923005/diff/290001/src/compiler/register-allocator.cc#newcode2642