Reland of https://codereview.chromium.org/2026173003 (reverted by
https://codereview.chromium.org/2029563002).

Additionally, we need to record environment markers even for the
case of a.length, where a is aliased arguments (which crankshaft
optimizes to constant for the inlined case or to HArgumentsLength
when not inlined).

BUG=chromium:612146

Review-Url: https://codereview.chromium.org/2028243002
Cr-Commit-Position: refs/heads/master@{#36662}