1 files changed, 175 insertions, 0 deletions
diff --git a/src/test/debuginfo/function-names.rs b/src/test/debuginfo/function-names.rs
new file mode 100644
index 00000000000..26317f5c3ff
--- /dev/null
+++ b/src/test/debuginfo/function-names.rs
@@ -0,0 +1,175 @@
+// Function names are formatted differently in old versions of GDB
+// min-gdb-version: 9.2
+
+// compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+
+// Top-level function
+// gdb-command:info functions -q function_names::main
+// gdb-check:[...]static fn function_names::main();
+// gdb-command:info functions -q function_names::generic_func<*
+// gdb-check:[...]static fn function_names::generic_func(i32) -> i32;
+
+// Implementations
+// gdb-command:info functions -q function_names::.*::impl_function.*
+// gdb-check:[...]static fn function_names::GenericStruct<T1,T2>::impl_function();
+// gdb-check:[...]static fn function_names::Mod1::TestStruct2::impl_function();
+// gdb-check:[...]static fn function_names::TestStruct1::impl_function();
+
+// Trait implementations
+// gdb-command:info functions -q function_names::.*::trait_function.*
+// gdb-check:[...]static fn <function_names::GenericStruct<T,i32> as function_names::TestTrait1>::trait_function();
+// gdb-check:[...]static fn <function_names::GenericStruct<[T; N],f32> as function_names::TestTrait1>::trait_function();
+// gdb-check:[...]static fn <function_names::Mod1::TestStruct2 as function_names::Mod1::TestTrait2>::trait_function();
+// gdb-check:[...]static fn <function_names::TestStruct1 as function_names::TestTrait1>::trait_function();
+
+// Closure
+// gdb-command:info functions -q function_names::.*::{{closure.*
+// gdb-check:[...]static fn function_names::GenericStruct<T1,T2>::impl_function::{{closure}}(*mut function_names::{impl#2}::impl_function::{closure#0});
+// gdb-check:[...]static fn function_names::generic_func::{{closure}}(*mut function_names::generic_func::{closure#0});
+// gdb-check:[...]static fn function_names::main::{{closure}}(*mut function_names::main::{closure#0});
+
+// Generator
+// Generators don't seem to appear in GDB's symbol table.
+
+// === CDB TESTS ===================================================================================
+
+// Top-level function
+// cdb-command:x a!function_names::main
+// cdb-check:[...] a!function_names::main (void)
+// cdb-command:x a!function_names::generic_func<*
+// cdb-check:[...] a!function_names::generic_func<i32> (int)
+
+// Implementations
+// cdb-command:x a!function_names::*::impl_function*
+// cdb-check:[...] a!function_names::Mod1::TestStruct2::impl_function (void)
+// cdb-check:[...] a!function_names::TestStruct1::impl_function (void)
+// cdb-check:[...] a!function_names::GenericStruct<i32, i32>::impl_function<i32, i32> (void)
+
+// Trait implementations
+// cdb-command:x a!function_names::*::trait_function*
+// cdb-check:[...] a!function_names::impl$6::trait_function<i32, 0x1> (void)
+// cdb-check:[...] a!function_names::impl$3::trait_function<i32> (void)
+// cdb-check:[...] a!function_names::impl$1::trait_function (void)
+// cdb-check:[...] a!function_names::impl$5::trait_function3<function_names::TestStruct1> (void)
+// cdb-check:[...] a!function_names::Mod1::impl$1::trait_function (void)
+
+// Closure
+// cdb-command:x a!function_names::*::closure*
+// cdb-check:[...] a!function_names::main::closure$0 (void)
+// cdb-check:[...] a!function_names::generic_func::closure$0<i32> (void)
+// cdb-check:[...] a!function_names::impl$2::impl_function::closure$0<i32, i32> (void)
+
+// Generator
+// cdb-command:x a!function_names::*::generator*
+// cdb-check:[...] a!function_names::main::generator$1 (void)
+
+#![allow(unused_variables)]
+#![feature(omit_gdb_pretty_printer_section)]
+#![omit_gdb_pretty_printer_section]
+#![feature(generators, generator_trait)]
+
+use Mod1::TestTrait2;
+use std::ops::Generator;
+use std::pin::Pin;
+
+fn main() {
+    // Implementations
+    TestStruct1::impl_function();
+    Mod1::TestStruct2::impl_function();
+    GenericStruct::<i32, i32>::impl_function();
+
+    // Trait implementations
+    TestStruct1::trait_function();
+    Mod1::TestStruct2::trait_function();
+    GenericStruct::<i32, i32>::trait_function();
+    GenericStruct::<[i32; 1], f32>::trait_function();
+    GenericStruct::<TestStruct1, usize>::trait_function3();
+
+    // Generic function
+    let _ = generic_func(42);
+
+    // Closure
+    let closure = || { TestStruct1 };
+    closure();
+
+    // Generator
+    let mut generator = || { yield; return; };
+    Pin::new(&mut generator).resume(());
+}
+
+struct TestStruct1;
+trait TestTrait1 {
+    fn trait_function();
+}
+
+// Implementation
+impl TestStruct1 {
+    pub fn impl_function() {}
+}
+
+// Implementation for a trait
+impl TestTrait1 for TestStruct1 {
+    fn trait_function() {}
+}
+
+// Implementation and implementation within a mod
+mod Mod1 {
+    pub struct TestStruct2;
+    pub trait TestTrait2 {
+        fn trait_function();
+    }
+
+    impl TestStruct2 {
+        pub fn impl_function() {}
+    }
+
+    impl TestTrait2 for TestStruct2 {
+        fn trait_function() {}
+    }
+}
+
+struct GenericStruct<T1, T2>(std::marker::PhantomData<(T1, T2)>);
+
+// Generic implementation
+impl<T1, T2> GenericStruct<T1, T2> {
+    pub fn impl_function() {
+        // Closure in a generic implementation
+        let closure = || { TestStruct1 };
+        closure();
+    }
+}
+
+// Generic trait implementation
+impl<T> TestTrait1 for GenericStruct<T, i32> {
+    fn trait_function() {}
+}
+
+// Implementation based on associated type
+trait TestTrait3 {
+    type AssocType;
+    fn trait_function3();
+}
+impl TestTrait3 for TestStruct1 {
+    type AssocType = usize;
+    fn trait_function3() {}
+}
+impl<T: TestTrait3> TestTrait3 for GenericStruct<T, T::AssocType> {
+    type AssocType = T::AssocType;
+    fn trait_function3() {}
+}
+
+// Generic trait implementation with const generics
+impl<T, const N: usize> TestTrait1 for GenericStruct<[T; N], f32> {
+    fn trait_function() {}
+}
+
+// Generic function
+fn generic_func<T>(value: T) -> T {
+    // Closure in a generic function
+    let closure = || { TestStruct1 };
+    closure();
+
+    value
+}