message: Harden the pre-tyctxt query system against accidental recomputation
diff: @@ -61,7 +61,7 @@ impl rustc_driver::Callbacks for MiriCompilerCalls {
  ) -> Compilation {
  compiler.session().abort_if_errors();
  - queries.global_ctxt().unwrap().peek_mut().enter(|tcx| {
  + queries.global_ctxt().unwrap().enter(|tcx| {
  init_late_loggers(tcx);
  if !tcx.sess.crate_types().contains(&CrateType::Executable) {
  tcx.sess.fatal("miri only makes sense on bin crates");
  