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Emit `redundant-expr` warnings for if statements that are always true or always false. - #20068

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tyralla wants to merge 16 commits into

python:masterfrom

tyralla:fix/redundant_expr_for_if

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Emit `redundant-expr` warnings for if statements that are always true or always false.#20068
tyralla wants to merge 16 commits into
python:masterfrom
tyralla:fix/redundant_expr_for_if

Commits on Oct 14, 2025
- Emit `redundant-expr` warnings for if statements that are always true or always false.
  tyralla
  committed
  ed973d3
- The same for while statements, but only for always false.
  tyralla
  committed
  c387368
Commits on Oct 15, 2025
- Do not emit `redundant-expr` warnings for `if TYPE_CHECKING` statements.
  tyralla
  committed
  7031574
- Use `refers_to_fullname` to detect TYPE_CHECKING` usages.
  tyralla
  committed
  f59720d
Commits on Oct 16, 2025
- Avoid annoying redundant_expr warnings for exhaustiveness checks.
  tyralla
  committed
  89d911c
- [pre-commit.ci] auto fixes from pre-commit.com hooks
  pre-commit-ci[bot]
  committed
  83348a3
Commits on Oct 17, 2025
- fix last commit
  tyralla
  committed
  08e2cb7
- Avoid annoying redundant_expr warnings for dynamic type checks.
  tyralla
  committed
  491a1e7
- fix typo
  tyralla
  committed
  c2fec83
Commits on Oct 20, 2025
Commits on Oct 21, 2025
- Check for missing reachability of the (theoretical) else body instead of just asking whether the if body's first statement is a return statement.
  tyralla
  committed
  66f8932