Port a7c4e778

Original Commit Message:

    This change mirrors the semantics for derived class constructors. This
    change doesn't affect non class constructors.

    This change could potentially break web compat. More details:
    https://github.com/tc39/ecma262/pull/469

R=gsathya@chromium.org, joransiu@ca.ibm.com, bjaideep@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2815873003
Cr-Commit-Position: refs/heads/master@{#44627}