On Mon, 9 May 2022 15:56:35 GMT, Adam Sotona <asot...@openjdk.org> wrote:
> Please review this patch adding new lint option, **lossy-conversions**, to > javac to warn about type casts in compound assignments with possible lossy > conversions. > > The new lint warning is shown if the type of the right-hand operand of a > compound assignment is not assignment compatible with the type of the > variable. > > The implementation of the warning is based on similar check performed to emit > "possible lossy conversion" compilation error for simple assignments. > > Proposed patch also include complex matrix-style test with positive and > negative test cases of lossy conversions in compound assignments. > > Proposed patch also disables this new lint option in all affected JDK modules > and libraries to allow smooth JDK build. Individual cases to address possibly > lossy conversions warnings in JDK are already addressed in a separate > umbrella issue and its sub-tasks. > > Thanks for your review, > Adam This pull request has now been integrated. Changeset: aff5ff14 Author: Adam Sotona <asot...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/aff5ff14b208b3c2be93d7b4fab8b07c5be12f3e Stats: 438 lines in 13 files changed: 437 ins; 0 del; 1 mod 8244681: Add a warning for possibly lossy conversion in compound assignments 8293797: Release Note: Javac warns about type casts in compound assignments with possible lossy conversions Reviewed-by: erikj, prr ------------- PR: https://git.openjdk.org/jdk/pull/8599