Rollup merge of #143314 - tshepang:fix-filename, r=compiler-errors

add reference id to test, and fix filename

Noticed the filename is wrong, then took advantage of being there by adding Reference id

Author: matthiaskrgr

tests/ui/const-generics/generic_arg_infer/parend_infer.rs renamed to tests/ui/const-generics/generic_arg_infer/paren_infer.rs

@@ -1,4 +1,5 @@
 //@ check-pass
+//@ reference: items.generics.const.inferred
 
 struct Foo<const N: usize>;