gccrs: fix parser error on parenthesised types #4214
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P-E-P
requested changes
Nov 26, 2025
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| // get value semantics trait bound | ||
| AST::TraitBound value_bound (*converted_bound); | ||
| /* |
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This is dead code, if it isn't required it won't be touched again, delete it and put a comment if any information should remain.
| new AST::ParenthesisedType (std::move (released_ptr), | ||
| left_delim_locus)); | ||
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| /* HACK: attempt to convert to trait bound. if fails, parenthesised |
| // release vector pointer | ||
| std::unique_ptr<AST::Type> released_ptr = std::move (types[0]); | ||
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| // We don't want to convert it to TraitBound as it could be a |
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This comment fails to cover one case, what if it isn't ?
Do not cast parenthesised types to TraitBound types Fixes Rust-GCC#4148 gcc/rust/ChangeLog: * parse/rust-parse-impl.h (Parser::parse_paren_prefixed_type): remove cast to TraitBound. gcc/testsuite/ChangeLog: * rust/compile/issue-4148.rs: test should not produce errors. Signed-off-by: lenny.chiadmi-delage <lenny.chiadmi-delage@epita.fr>
Do not cast parenthesised types to TraitBound types gcc/rust/ChangeLog: * ast/rust-path.cc (TypePath::to_trait_bound): * hir/tree/rust-hir-type.cc (ParenthesisedType::to_trait_bound): * hir/tree/rust-hir.cc (TypePath::to_trait_bound): * parse/rust-parse-impl.h (Parser::parse_paren_prefixed_type): * parse/rust-parse-impl.h (Parser::parse_paren_prefixed_type): Signed-off-by: lenny.chiadmi-delage <lenny.chiadmi-delage@epita.fr>
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Do not cast parenthesised types to TraitBound types
Fixes #4148
gcc/rust/ChangeLog:
gcc/testsuite/ChangeLog:
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