mirror of https://github.com/rust-lang/rust
102 lines
2.8 KiB
Rust
102 lines
2.8 KiB
Rust
//@ build-fail
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//@ compile-flags: -C symbol-mangling-version=v0 --crate-name=c
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//@ normalize-stderr-test: "c\[[0-9a-f]+\]" -> "c[HASH]"
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#![feature(adt_const_params, decl_macro, rustc_attrs)]
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#![allow(incomplete_features)]
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use std::marker::ConstParamTy;
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pub struct RefByte<const RB: &'static u8>;
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#[rustc_symbol_name]
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//~^ ERROR symbol-name
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//~| ERROR demangling
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//~| ERROR demangling-alt(<c::RefByte<{&123}>>)
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impl RefByte<{&123}> {}
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// FIXME(eddyb) this was supposed to be `RefMutZst` with `&mut []`,
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// but that is currently not allowed in const generics.
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pub struct RefZst<const RMZ: &'static [u8; 0]>;
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#[rustc_symbol_name]
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//~^ ERROR symbol-name
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//~| ERROR demangling
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//~| ERROR demangling-alt(<c::RefZst<{&[]}>>)
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impl RefZst<{&[]}> {}
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pub struct Array3Bytes<const A3B: [u8; 3]>;
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#[rustc_symbol_name]
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//~^ ERROR symbol-name
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//~| ERROR demangling
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//~| ERROR demangling-alt(<c::Array3Bytes<{[1, 2, 3]}>>)
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impl Array3Bytes<{[1, 2, 3]}> {}
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pub struct TupleByteBool<const TBB: (u8, bool)>;
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#[rustc_symbol_name]
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//~^ ERROR symbol-name
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//~| ERROR demangling
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//~| ERROR demangling-alt(<c::TupleByteBool<{(1, false)}>>)
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impl TupleByteBool<{(1, false)}> {}
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#[derive(PartialEq, Eq, ConstParamTy)]
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pub enum MyOption<T> {
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Some(T),
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None,
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}
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pub struct OptionUsize<const OU: MyOption<usize>>;
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// HACK(eddyb) the full mangling is only in `.stderr` because we can normalize
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// the `core` disambiguator hash away there, but not here.
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#[rustc_symbol_name]
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//~^ ERROR symbol-name
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//~| ERROR demangling
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//~| ERROR demangling-alt(<c::OptionUsize<{c::MyOption::<usize>::None}>>)
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impl OptionUsize<{MyOption::None}> {}
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// HACK(eddyb) the full mangling is only in `.stderr` because we can normalize
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// the `core` disambiguator hash away there, but not here.
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#[rustc_symbol_name]
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//~^ ERROR symbol-name
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//~| ERROR demangling
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//~| ERROR demangling-alt(<c::OptionUsize<{c::MyOption::<usize>::Some(0)}>>)
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impl OptionUsize<{MyOption::Some(0)}> {}
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#[derive(PartialEq, Eq, ConstParamTy)]
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pub struct Foo {
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s: &'static str,
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ch: char,
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slice: &'static [u8],
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}
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pub struct Foo_<const F: Foo>;
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#[rustc_symbol_name]
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//~^ ERROR symbol-name
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//~| ERROR demangling
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//~| ERROR demangling-alt(<c::Foo_<{c::Foo { s: "abc", ch: 'x', slice: &[1, 2, 3] }}>>)
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impl Foo_<{Foo { s: "abc", ch: 'x', slice: &[1, 2, 3] }}> {}
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// NOTE(eddyb) this tests specifically the use of disambiguators in field names,
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// using macros 2.0 hygiene to create a `struct` with conflicting field names.
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macro duplicate_field_name_test($x:ident) {
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#[derive(PartialEq, Eq, ConstParamTy)]
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pub struct Bar {
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$x: u8,
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x: u16,
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}
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pub struct Bar_<const B: Bar>;
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#[rustc_symbol_name]
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//~^ ERROR symbol-name
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//~| ERROR demangling
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//~| ERROR demangling-alt(<c::Bar_<{c::Bar { x: 123, x: 4096 }}>>)
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impl Bar_<{Bar { $x: 123, x: 4096 }}> {}
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}
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duplicate_field_name_test!(x);
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fn main() {}
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