Brent Westbrook 4431978262 [syntax-errors] Assignment expressions before Python 3.8 (#16383) ... ## Summary This PR is the first in a series derived from https://github.com/astral-sh/ruff/pull/16308, each of which add support for detecting one version-related syntax error from https://github.com/astral-sh/ruff/issues/6591. This one should be the largest because it also includes the addition of the `Parser::add_unsupported_syntax_error` method Otherwise I think the general structure will be the same for each syntax error: * Detecting the error in the parser * Inline parser tests for the new error * New ruff CLI tests for the new error ## Test Plan As noted above, there are new inline parser tests, as well as new ruff CLI tests. Once https://github.com/astral-sh/ruff/pull/16379 is resolved, there should also be new mdtests for red-knot, but this PR does not currently include those.		2025-02-28 17:13:46 -05:00
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err	[syntax-errors] Assignment expressions before Python 3.8 (#16383)	2025-02-28 17:13:46 -05:00
ok	[syntax-errors] Assignment expressions before Python 3.8 (#16383)	2025-02-28 17:13:46 -05:00