1 files changed, 75 insertions, 0 deletions
diff --git a/tests/ui/symbol-names/impl1.rs b/tests/ui/symbol-names/impl1.rs
new file mode 100644
index 00000000000..629c2f33ddc
--- /dev/null
+++ b/tests/ui/symbol-names/impl1.rs
@@ -0,0 +1,75 @@
+// build-fail
+// revisions: legacy v0
+//[legacy]compile-flags: -Z unstable-options -C symbol-mangling-version=legacy
+    //[v0]compile-flags: -C symbol-mangling-version=v0
+//[legacy]normalize-stderr-test: "h[\w]{16}E?\)" -> "<SYMBOL_HASH>)"
+
+#![feature(auto_traits, rustc_attrs)]
+#![allow(dead_code)]
+
+mod foo {
+    pub struct Foo { x: u32 }
+
+    impl Foo {
+        #[rustc_symbol_name]
+        //[legacy]~^ ERROR symbol-name(_ZN5impl13foo3Foo3bar
+        //[legacy]~| ERROR demangling(impl1::foo::Foo::bar
+        //[legacy]~| ERROR demangling-alt(impl1::foo::Foo::bar)
+         //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs
+            //[v0]~| ERROR demangling(<impl1[
+            //[v0]~| ERROR demangling-alt(<impl1::foo::Foo>::bar)
+        #[rustc_def_path]
+        //[legacy]~^ ERROR def-path(foo::Foo::bar)
+           //[v0]~^^ ERROR def-path(foo::Foo::bar)
+        fn bar() { }
+    }
+}
+
+mod bar {
+    use foo::Foo;
+
+    impl Foo {
+        #[rustc_symbol_name]
+        //[legacy]~^ ERROR symbol-name(_ZN5impl13bar33_$LT$impl$u20$impl1..foo..Foo$GT$3baz
+        //[legacy]~| ERROR demangling(impl1::bar::<impl impl1::foo::Foo>::baz
+        //[legacy]~| ERROR demangling-alt(impl1::bar::<impl impl1::foo::Foo>::baz)
+         //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs
+            //[v0]~| ERROR demangling(<impl1[
+            //[v0]~| ERROR demangling-alt(<impl1::foo::Foo>::baz)
+        #[rustc_def_path]
+        //[legacy]~^ ERROR def-path(bar::<impl foo::Foo>::baz)
+           //[v0]~^^ ERROR def-path(bar::<impl foo::Foo>::baz)
+        fn baz() { }
+    }
+}
+
+trait Foo {
+    type Assoc;
+}
+
+auto trait AutoTrait {}
+
+fn main() {
+    // Test closure mangling, and disambiguators.
+    || {};
+    || {
+        trait Bar {
+            fn method(&self) {}
+        }
+
+        // Test type mangling, by putting them in an `impl` header.
+        impl Bar for [&'_ (dyn Foo<Assoc = extern "C" fn(&u8, ...)> + AutoTrait); 3] {
+            #[rustc_symbol_name]
+            //[legacy]~^ ERROR symbol-name(_ZN209_$LT$$u5b$$RF$dyn$u20$impl1..Foo$u2b$Assoc$u20$$u3d$$u20$extern$u20$$u22$C$u22$$u20$fn$LP$$RF$u8$C$$u20$...$RP$$u2b$impl1..AutoTrait$u3b$$u20$3$u5d$$u20$as$u20$impl1..main..$u7b$$u7b$closure$u7d$$u7d$..Bar$GT$6method
+            //[legacy]~| ERROR demangling(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method
+            //[legacy]~| ERROR demangling-alt(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method)
+             //[v0]~^^^^ ERROR symbol-name(_RNvXNCNvCs
+                //[v0]~| ERROR demangling(<[&dyn
+                //[v0]~| ERROR demangling-alt(<[&dyn impl1::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1::AutoTrait; 3] as impl1::main::{closure#1}::Bar>::method)
+            #[rustc_def_path]
+            //[legacy]~^ ERROR def-path(<[&dyn Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + AutoTrait; 3] as main::{closure#1}::Bar>::method)
+               //[v0]~^^ ERROR def-path(<[&dyn Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + AutoTrait; 3] as main::{closure#1}::Bar>::method)
+            fn method(&self) {}
+        }
+    };
+}