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gh-129858: Special syntax error for elif block after else (#129902)

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Steele Farnsworth 2025-04-24 21:25:48 -04:00 • committed by GitHub
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commit 99b71efe8e
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5 changed files with 137 additions and 75 deletions
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@ -1422,6 +1422,7 @@ invalid_elif_stmt:
invalid_else_stmt:
| a='else' ':' NEWLINE !INDENT {
RAISE_INDENTATION_ERROR("expected an indented block after 'else' statement on line %d", a->lineno) }
| 'else' ':' block 'elif' { RAISE_SYNTAX_ERROR("'elif' block follows an 'else' block")}
invalid_while_stmt:
| 'while' named_expression NEWLINE { RAISE_SYNTAX_ERROR("expected ':'") }
| a='while' named_expression ':' NEWLINE !INDENT {