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| author | Jubilee Young <workingjubilee@gmail.com> | 2023-07-29 17:07:57 -0700 |
|---|---|---|
| committer | Jubilee Young <workingjubilee@gmail.com> | 2023-07-29 18:34:41 -0700 |
| commit | 06711615aa5b3d45e77c1aa20df7de14ed16edf2 (patch) | |
| tree | 4df501c658dc3b8e93cb434fdfc0f18514312907 /tests/codegen/enum/enum-debug-niche-2.rs | |
| parent | 03a57254b56886c43464e23b74af484d11374623 (diff) | |
| download | rust-06711615aa5b3d45e77c1aa20df7de14ed16edf2.tar.gz rust-06711615aa5b3d45e77c1aa20df7de14ed16edf2.zip | |
tests/codegen/enum-* -> enum/enum-*
Diffstat (limited to 'tests/codegen/enum/enum-debug-niche-2.rs')
| -rw-r--r-- | tests/codegen/enum/enum-debug-niche-2.rs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/codegen/enum/enum-debug-niche-2.rs b/tests/codegen/enum/enum-debug-niche-2.rs new file mode 100644 index 00000000000..4b607d50574 --- /dev/null +++ b/tests/codegen/enum/enum-debug-niche-2.rs @@ -0,0 +1,50 @@ +// This tests that optimized enum debug info accurately reflects the enum layout. +// This is ignored for the fallback mode on MSVC due to problems with PDB. + +// +// ignore-msvc + +// compile-flags: -g -C no-prepopulate-passes + +// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_variant_part,{{.*}}size: 32,{{.*}} +// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Placeholder",{{.*}}extraData: i128 4294967295{{[,)].*}} +// CHECK: {{.*}}DIDerivedType{{.*}}tag: DW_TAG_member,{{.*}}name: "Error",{{.*}}extraData: i128 0{{[,)].*}} + +#![feature(never_type)] + +#[derive(Copy, Clone)] +pub struct Entity { + private: std::num::NonZeroU32, +} + +#[derive(Copy, Clone, PartialEq, Eq)] +pub struct Declaration; + +impl TypeFamily for Declaration { + type Base = Base; + type Placeholder = !; + + fn intern_base_data(_: BaseKind<Self>) {} +} + +#[derive(Copy, Clone)] +pub struct Base; + +pub trait TypeFamily: Copy + 'static { + type Base: Copy; + type Placeholder: Copy; + + fn intern_base_data(_: BaseKind<Self>); +} + +#[derive(Copy, Clone)] +pub enum BaseKind<F: TypeFamily> { + Named(Entity), + Placeholder(F::Placeholder), + Error, +} + +pub fn main() { + let x = BaseKind::Error::<Declaration>; + let y = 7; +} |
