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authorPhilip Herron <herron.philip@googlemail.com>2025-01-09 16:47:47 +0000
committerPhilip Herron <philip.herron@embecosm.com>2025-01-10 09:28:52 +0000
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gccrs: match arms are a LUB
Unify rules are not the same as coercion rules. The coercion of ! is allowed to any type but not for a unify site which is different. Match arms are another least upper bound coercion. gcc/rust/ChangeLog: * backend/rust-compile-expr.cc (CompileExpr::visit): implement coercion * typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): this is an LUB * typecheck/rust-unify.cc (UnifyRules::go): remove unify ! coercion Signed-off-by: Philip Herron <herron.philip@googlemail.com>
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