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authorJubilee Young <workingjubilee@gmail.com>2023-07-29 17:07:57 -0700
committerJubilee Young <workingjubilee@gmail.com>2023-07-29 18:34:41 -0700
commit06711615aa5b3d45e77c1aa20df7de14ed16edf2 (patch)
tree4df501c658dc3b8e93cb434fdfc0f18514312907 /tests/codegen/enum/enum-debug-niche-2.rs
parent03a57254b56886c43464e23b74af484d11374623 (diff)
downloadrust-06711615aa5b3d45e77c1aa20df7de14ed16edf2.tar.gz
rust-06711615aa5b3d45e77c1aa20df7de14ed16edf2.zip
tests/codegen/enum-* -> enum/enum-*
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-rw-r--r--tests/codegen/enum/enum-debug-niche-2.rs50
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diff --git a/tests/codegen/enum/enum-debug-niche-2.rs b/tests/codegen/enum/enum-debug-niche-2.rs
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+// 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;
+}