diff --git a/src/test/ui/symbol-names/types.legacy.stderr b/src/test/ui/symbol-names/types.legacy.stderr
new file mode 100644
index 0000000000000..a4984d5629f7d
--- /dev/null
+++ b/src/test/ui/symbol-names/types.legacy.stderr
@@ -0,0 +1,470 @@
+error: symbol-name(_ZN1a1b16Type$LT$bool$GT$17h[HASH]E)
+  --> $DIR/types.rs:13:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<bool>::h[HASH])
+  --> $DIR/types.rs:13:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<bool>)
+  --> $DIR/types.rs:13:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b16Type$LT$char$GT$17h[HASH]E)
+  --> $DIR/types.rs:19:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<char>::h[HASH])
+  --> $DIR/types.rs:19:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<char>)
+  --> $DIR/types.rs:19:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b14Type$LT$i8$GT$17h[HASH]E)
+  --> $DIR/types.rs:25:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<i8>::h[HASH])
+  --> $DIR/types.rs:25:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<i8>)
+  --> $DIR/types.rs:25:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$i16$GT$17h[HASH]E)
+  --> $DIR/types.rs:31:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<i16>::h[HASH])
+  --> $DIR/types.rs:31:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<i16>)
+  --> $DIR/types.rs:31:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$i32$GT$17h[HASH]E)
+  --> $DIR/types.rs:37:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<i32>::h[HASH])
+  --> $DIR/types.rs:37:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<i32>)
+  --> $DIR/types.rs:37:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$i64$GT$17h[HASH]E)
+  --> $DIR/types.rs:43:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<i64>::h[HASH])
+  --> $DIR/types.rs:43:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<i64>)
+  --> $DIR/types.rs:43:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b14Type$LT$u8$GT$17h[HASH]E)
+  --> $DIR/types.rs:49:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<u8>::h[HASH])
+  --> $DIR/types.rs:49:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<u8>)
+  --> $DIR/types.rs:49:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$u16$GT$17h[HASH]E)
+  --> $DIR/types.rs:55:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<u16>::h[HASH])
+  --> $DIR/types.rs:55:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<u16>)
+  --> $DIR/types.rs:55:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$u32$GT$17h[HASH]E)
+  --> $DIR/types.rs:61:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<u32>::h[HASH])
+  --> $DIR/types.rs:61:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<u32>)
+  --> $DIR/types.rs:61:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$u64$GT$17h[HASH]E)
+  --> $DIR/types.rs:67:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<u64>::h[HASH])
+  --> $DIR/types.rs:67:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<u64>)
+  --> $DIR/types.rs:67:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$f32$GT$17h[HASH]E)
+  --> $DIR/types.rs:73:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<f32>::h[HASH])
+  --> $DIR/types.rs:73:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<f32>)
+  --> $DIR/types.rs:73:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$f64$GT$17h[HASH]E)
+  --> $DIR/types.rs:79:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<f64>::h[HASH])
+  --> $DIR/types.rs:79:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<f64>)
+  --> $DIR/types.rs:79:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b15Type$LT$str$GT$17h[HASH]E)
+  --> $DIR/types.rs:85:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<str>::h[HASH])
+  --> $DIR/types.rs:85:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<str>)
+  --> $DIR/types.rs:85:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b17Type$LT$$u21$$GT$17h[HASH]E)
+  --> $DIR/types.rs:91:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<!>::h[HASH])
+  --> $DIR/types.rs:91:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<!>)
+  --> $DIR/types.rs:91:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b20Type$LT$$LP$$RP$$GT$17h[HASH]E)
+  --> $DIR/types.rs:97:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<()>::h[HASH])
+  --> $DIR/types.rs:97:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<()>)
+  --> $DIR/types.rs:97:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b25Type$LT$$LP$u8$C$$RP$$GT$17h[HASH]E)
+  --> $DIR/types.rs:103:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<(u8,)>::h[HASH])
+  --> $DIR/types.rs:103:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<(u8,)>)
+  --> $DIR/types.rs:103:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b28Type$LT$$LP$u8$C$u16$RP$$GT$17h[HASH]E)
+  --> $DIR/types.rs:109:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<(u8,u16)>::h[HASH])
+  --> $DIR/types.rs:109:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<(u8,u16)>)
+  --> $DIR/types.rs:109:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b34Type$LT$$LP$u8$C$u16$C$u32$RP$$GT$17h[HASH]E)
+  --> $DIR/types.rs:115:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<(u8,u16,u32)>::h[HASH])
+  --> $DIR/types.rs:115:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<(u8,u16,u32)>)
+  --> $DIR/types.rs:115:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b28Type$LT$$BP$const$u20$u8$GT$17h[HASH]E)
+  --> $DIR/types.rs:121:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<*const u8>::h[HASH])
+  --> $DIR/types.rs:121:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<*const u8>)
+  --> $DIR/types.rs:121:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b26Type$LT$$BP$mut$u20$u8$GT$17h[HASH]E)
+  --> $DIR/types.rs:127:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<*mut u8>::h[HASH])
+  --> $DIR/types.rs:127:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<*mut u8>)
+  --> $DIR/types.rs:127:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b19Type$LT$$RF$str$GT$17h[HASH]E)
+  --> $DIR/types.rs:133:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<&str>::h[HASH])
+  --> $DIR/types.rs:133:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<&str>)
+  --> $DIR/types.rs:133:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b27Type$LT$$RF$mut$u20$str$GT$17h[HASH]E)
+  --> $DIR/types.rs:139:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<&mut str>::h[HASH])
+  --> $DIR/types.rs:139:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<&mut str>)
+  --> $DIR/types.rs:139:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b35Type$LT$$u5b$u8$u3b$$u20$0$u5d$$GT$17h[HASH]E)
+  --> $DIR/types.rs:145:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<[u8; 0]>::h[HASH])
+  --> $DIR/types.rs:145:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<[u8; 0]>)
+  --> $DIR/types.rs:145:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b22Type$LT$fn$LP$$RP$$GT$17h[HASH]E)
+  --> $DIR/types.rs:151:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<fn()>::h[HASH])
+  --> $DIR/types.rs:151:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<fn()>)
+  --> $DIR/types.rs:151:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b60Type$LT$unsafe$u20$extern$u20$$u22$C$u22$$u20$fn$LP$$RP$$GT$17h[HASH]E)
+  --> $DIR/types.rs:157:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<unsafe extern "C" fn()>::h[HASH])
+  --> $DIR/types.rs:157:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<unsafe extern "C" fn()>)
+  --> $DIR/types.rs:157:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: symbol-name(_ZN1a1b34Type$LT$$u5b$T$u3b$$u20$N$u5d$$GT$17h[HASH]E)
+  --> $DIR/types.rs:163:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling(a::b::Type<[T; N]>::h[HASH])
+  --> $DIR/types.rs:163:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: demangling-alt(a::b::Type<[T; N]>)
+  --> $DIR/types.rs:163:5
+   |
+LL |     #[rustc_symbol_name]
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 78 previous errors
+
diff --git a/src/test/ui/symbol-names/types.rs b/src/test/ui/symbol-names/types.rs
new file mode 100644
index 0000000000000..e323625d66e76
--- /dev/null
+++ b/src/test/ui/symbol-names/types.rs
@@ -0,0 +1,170 @@
+// build-fail
+// revisions: legacy
+// compile-flags: --crate-name=a -C symbol-mangling-version=legacy -Z unstable-options
+//
+// normalize-stderr-test: "h[[:xdigit:]]{16}" -> "h[HASH]"
+
+#![feature(never_type)]
+#![feature(rustc_attrs)]
+
+pub fn b() {
+    struct Type<T: ?Sized>(T);
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b16Type$LT$bool$GT$
+    //~| ERROR demangling(a::b::Type<bool>::
+    //~| ERROR demangling-alt(a::b::Type<bool>)
+    impl Type<bool> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b16Type$LT$char$GT$
+    //~| ERROR demangling(a::b::Type<char>::
+    //~| ERROR demangling-alt(a::b::Type<char>)
+    impl Type<char> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b14Type$LT$i8$GT$
+    //~| ERROR demangling(a::b::Type<i8>::
+    //~| ERROR demangling-alt(a::b::Type<i8>)
+    impl Type<i8> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$i16$GT$
+    //~| ERROR demangling(a::b::Type<i16>::
+    //~| ERROR demangling-alt(a::b::Type<i16>)
+    impl Type<i16> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$i32$GT$
+    //~| ERROR demangling(a::b::Type<i32>::
+    //~| ERROR demangling-alt(a::b::Type<i32>)
+    impl Type<i32> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$i64$GT$
+    //~| ERROR demangling(a::b::Type<i64>::
+    //~| ERROR demangling-alt(a::b::Type<i64>)
+    impl Type<i64> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b14Type$LT$u8$GT$
+    //~| ERROR demangling(a::b::Type<u8>::
+    //~| ERROR demangling-alt(a::b::Type<u8>)
+    impl Type<u8> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$u16$GT$
+    //~| ERROR demangling(a::b::Type<u16>::
+    //~| ERROR demangling-alt(a::b::Type<u16>)
+    impl Type<u16> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$u32$GT$
+    //~| ERROR demangling(a::b::Type<u32>::
+    //~| ERROR demangling-alt(a::b::Type<u32>)
+    impl Type<u32> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$u64$GT$
+    //~| ERROR demangling(a::b::Type<u64>::
+    //~| ERROR demangling-alt(a::b::Type<u64>)
+    impl Type<u64> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$f32$GT$
+    //~| ERROR demangling(a::b::Type<f32>::
+    //~| ERROR demangling-alt(a::b::Type<f32>)
+    impl Type<f32> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$f64$GT$
+    //~| ERROR demangling(a::b::Type<f64>::
+    //~| ERROR demangling-alt(a::b::Type<f64>)
+    impl Type<f64> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b15Type$LT$str$GT$
+    //~| ERROR demangling(a::b::Type<str>::
+    //~| ERROR demangling-alt(a::b::Type<str>)
+    impl Type<str> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b17Type$LT$$u21$$GT$
+    //~| ERROR demangling(a::b::Type<!>::
+    //~| ERROR demangling-alt(a::b::Type<!>)
+    impl Type<!> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b20Type$LT$$LP$$RP$$GT
+    //~| ERROR demangling(a::b::Type<()>::
+    //~| ERROR demangling-alt(a::b::Type<()>)
+    impl Type<()> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b25Type$LT$$LP$u8$C$$RP$$GT$
+    //~| ERROR demangling(a::b::Type<(u8,)>::
+    //~| ERROR demangling-alt(a::b::Type<(u8,)>)
+    impl Type<(u8,)> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b28Type$LT$$LP$u8$C$u16$RP$$GT$
+    //~| ERROR demangling(a::b::Type<(u8,u16)>::
+    //~| ERROR demangling-alt(a::b::Type<(u8,u16)>)
+    impl Type<(u8,u16)> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b34Type$LT$$LP$u8$C$u16$C$u32$RP$$GT$
+    //~| ERROR demangling(a::b::Type<(u8,u16,u32)>::
+    //~| ERROR demangling-alt(a::b::Type<(u8,u16,u32)>)
+    impl Type<(u8,u16,u32)> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b28Type$LT$$BP$const$u20$u8$GT$
+    //~| ERROR demangling(a::b::Type<*const u8>::
+    //~| ERROR demangling-alt(a::b::Type<*const u8>)
+    impl Type<*const u8> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b26Type$LT$$BP$mut$u20$u8$GT$
+    //~| ERROR demangling(a::b::Type<*mut u8>::
+    //~| ERROR demangling-alt(a::b::Type<*mut u8>)
+    impl Type<*mut u8> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b19Type$LT$$RF$str$GT$
+    //~| ERROR demangling(a::b::Type<&str>::
+    //~| ERROR demangling-alt(a::b::Type<&str>)
+    impl Type<&str> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b27Type$LT$$RF$mut$u20$str$GT$
+    //~| ERROR demangling(a::b::Type<&mut str>::
+    //~| ERROR demangling-alt(a::b::Type<&mut str>)
+    impl Type<&mut str> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b35Type$LT$$u5b$u8$u3b$$u20$0$u5d$$GT$
+    //~| ERROR demangling(a::b::Type<[u8; 0]>::
+    //~| ERROR demangling-alt(a::b::Type<[u8; 0]>)
+    impl Type<[u8; 0]> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b22Type$LT$fn$LP$$RP$$GT$
+    //~| ERROR demangling(a::b::Type<fn()>::
+    //~| ERROR demangling-alt(a::b::Type<fn()>)
+    impl Type<fn()> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b60Type$LT$unsafe$u20$extern$u20$$u22$C$u22$$u20$fn$LP$$RP$$GT$
+    //~| ERROR demangling(a::b::Type<unsafe extern "C" fn()>::
+    //~| ERROR demangling-alt(a::b::Type<unsafe extern "C" fn()>)
+    impl Type<unsafe extern "C" fn()> {}
+
+    #[rustc_symbol_name]
+    //~^ ERROR symbol-name(_ZN1a1b34Type$LT$$u5b$T$u3b$$u20$N$u5d$$GT$
+    //~| ERROR demangling(a::b::Type<[T; N]>::
+    //~| ERROR demangling-alt(a::b::Type<[T; N]>)
+    impl<const N: usize, T> Type<[T; N]> {}
+}
+
+fn main() {}