Rollup merge of #133545 - clubby789:symbol-intern-lit, r=jieyouxu

Lint against Symbol::intern on a string literal

Disabled in tests where this doesn't make much sense

compiler/rustc_session/src/output.rs

@@ -87,7 +87,7 @@ pub fn find_crate_name(sess: &Session, attrs: &[ast::Attribute]) -> Symbol {
         }
     }
 
-    Symbol::intern("rust_out")
+    sym::rust_out
 }
 
 pub fn validate_crate_name(sess: &Session, s: Symbol, sp: Option<Span>) {