Dhruv Manilawala ed948eaefb Avoid moving back the lexer for triple-quoted fstring (#11939) ... ## Summary This PR avoids moving back the lexer for a triple-quoted f-string during the re-lexing phase. The reason this is a problem is that for a triple-quoted f-string the newlines are part of the f-string itself, specifically they'll be part of the `FStringMiddle` token. So, if we moved the lexer back, there would be a `Newline` token whose range would be in between an `FStringMiddle` token. This creates a panic in downstream usage. fixes: #11937 ## Test Plan Add test cases and validate the snapshots.		2024-06-20 16:27:36 +05:30
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snapshots	Avoid moving back the lexer for triple-quoted fstring (#11939)	2024-06-20 16:27:36 +05:30
fixtures.rs	Update E999 to show all syntax errors (#11900)	2024-06-19 13:09:54 +05:30
generate_inline_tests.rs	Replace LALRPOP parser with hand-written parser (#10036)	2024-04-18 17:57:39 +05:30