Don't polyfill when evaluation is not confident

[rhyzx]

Q	A
Fixed Issues?	N/A
Patch: Bug Fix?	Yes
Major: Breaking Change?
Minor: New Feature?
Tests Added + Pass?	Yes
Documentation PR Link
Any Dependency Changes?
License	MIT

usage/corejs2 will still polyfill if evaluation of property name is not confident,
while corejs3 does not have this bug.

Input:

Object[values]();

Before output:

import "core-js/modules/es6.object.to-string";
import "core-js/modules/es7.object.values";
Object[values]();

After output:

Object[values]();

[babel-bot]

Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/11469/