rust: fix ICE when compiling impl block for ! #3179
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We need to resolve the never type which is its own special AST node so it doesnt magically get handled like the regular builtin type paths such as i32. Fixes #3035 gcc/rust/ChangeLog: * resolve/rust-ast-resolve-type.cc (ResolveType::visit): handle never type (ResolveTypeToCanonicalPath::visit): likewise * resolve/rust-ast-resolve-type.h: missing never type * resolve/rust-name-resolver.cc (Resolver::generate_builtins): track never type node_id (Resolver::setup_builtin): likewise * resolve/rust-name-resolver.h: new never type getter gcc/testsuite/ChangeLog: * rust/compile/nr2/exclude: nr2 cant handle this * rust/compile/issue-3035.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
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We need to resolve the never type which is its own special AST node so it doesnt magically get handled like the regular builtin type paths such as i32.
Fixes #3035
gcc/rust/ChangeLog:
gcc/testsuite/ChangeLog: