Before You File a Proposal Please Confirm You Have Done The Following...

• I havesearched for related issues and found none that match my proposal.
• I have searched thecurrent rule list and found no rules that match my proposal.
• I haveread the FAQ and my problem is not listed.

Relevant Package

parser

My proposal is suitable for this project

• I believe my proposal would be useful to the broader TypeScript community (meaning it is not a niche proposal).

Description

These expressions should be invalid.

1++;(1)++;(1)--;++(1);--(1);(1+2)++;(1+2)--;++(1+2);--(1+2);(x+x)++;(x+x)--;++(x+x);--(x+x);