Josh Goldberg 773c50f05a Better error message for invalid bigint literals ending with n ...

Helps with the cases of decimals and exponentials, though not with numbers incorrectly starting with `0`.

Fixes #28887.

2018-12-07 00:40:13 -08:00

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Better error message for invalid bigint literals ending with n

2018-12-07 00:40:13 -08:00