Remove crate visibility usage in compiler

compiler/rustc_monomorphize/src/lib.rs

@@ -1,5 +1,4 @@
 #![feature(array_windows)]
-#![feature(crate_visibility_modifier)]
 #![feature(control_flow_enum)]
 #![feature(let_else)]
 #![recursion_limit = "256"]

compiler/rustc_monomorphize/src/util.rs

@@ -7,7 +7,7 @@ use std::io::prelude::*;
 ///
 /// During the same compile all closures dump the information in the same file
 /// "closure_profile_XXXXX.csv", which is created in the directory where the compiler is invoked.
-crate fn dump_closure_profile<'tcx>(tcx: TyCtxt<'tcx>, closure_instance: Instance<'tcx>) {
+pub(crate) fn dump_closure_profile<'tcx>(tcx: TyCtxt<'tcx>, closure_instance: Instance<'tcx>) {
     let Ok(mut file) = OpenOptions::new()
         .create(true)
         .append(true)