This fixes the runtime profiler to no longer assume that seeing an
optimized frame on the stack implies the underlying function is not
being interpreted when entered normally. This no longer holds with code
generated for OSR directly from bytecode (not installed on function).

R=rmcilroy@chromium.org
TEST=mjsunit/regress/regress-crbug-632800
BUG=chromium:632800

Review-Url: https://codereview.chromium.org/2208603005
Cr-Commit-Position: refs/heads/master@{#38360}