48 lines
1.2 KiB
Rust
48 lines
1.2 KiB
Rust
//! This tests that optimized enum debug info accurately reflects the enum layout.
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//! This is ignored for the fallback mode on MSVC due to problems with PDB.
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//!
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//@ compile-flags: -g -C no-prepopulate-passes
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//@ ignore-msvc
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//
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// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_variant_part,{{.*}}size: 32,{{.*}}
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// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Placeholder",{{.*}}extraData: i128 4294967295{{[,)].*}}
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// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Error",{{.*}}extraData: i128 0{{[,)].*}}
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#![feature(never_type)]
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#[derive(Copy, Clone)]
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pub struct Entity {
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private: std::num::NonZero<u32>,
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}
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#[derive(Copy, Clone, PartialEq, Eq)]
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pub struct Declaration;
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impl TypeFamily for Declaration {
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type Base = Base;
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type Placeholder = !;
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fn intern_base_data(_: BaseKind<Self>) {}
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}
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#[derive(Copy, Clone)]
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pub struct Base;
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pub trait TypeFamily: Copy + 'static {
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type Base: Copy;
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type Placeholder: Copy;
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fn intern_base_data(_: BaseKind<Self>);
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}
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#[derive(Copy, Clone)]
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pub enum BaseKind<F: TypeFamily> {
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Named(Entity),
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Placeholder(F::Placeholder),
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Error,
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}
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pub fn main() {
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let x = BaseKind::Error::<Declaration>;
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let y = 7;
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}
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