Parse deferred const generics#3886
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CohenArthur
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- ast: Use AnonConst for array type sizes
- hir: Handle deferred const inference variables
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gcc/rust/ChangeLog: * ast/rust-expr.h: Add handling for deferred consts. * ast/rust-ast-visitor.cc (DefaultASTVisitor::visit): Likewise. * ast/rust-ast.cc (AnonConst::as_string): Likewise. (ArrayType::as_string): Likewise. * ast/rust-type.h (class ArrayType): Use AnonConst for sizes. * parse/rust-parse-impl.h (Parser::parse_anon_const): New function. (Parser::parse_slice_or_array_type): Call it. * parse/rust-parse.h: Declare it.
gcc/rust/ChangeLog: * hir/rust-ast-lower-expr.cc (ASTLoweringExpr::visit): Handle defered consts. * hir/tree/rust-hir-expr.cc (AnonConst::AnonConst): Likewise. (AnonConst::operator=): Likewise. * hir/tree/rust-hir-expr.h: Likewise. * hir/tree/rust-hir-visitor.cc (DefaultHIRVisitor::walk): Likewise. * typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): Likewise. gcc/testsuite/ChangeLog: * rust/compile/deferred_const_inference.rs: New test.
gcc/rust/ChangeLog: * ast/rust-expr.h: Fix formatting.
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