Rename all `ParseSess` variables/fields/lifetimes as `psess`.

Existing names for values of this type are `sess`, `parse_sess`,
`parse_session`, and `ps`. `sess` is particularly annoying because
that's also used for `Session` values, which are often co-located, and
it can be difficult to know which type a value named `sess` refers to.
(That annoyance is the main motivation for this change.) `psess` is nice
and short, which is good for a name used this much.

The commit also renames some `parse_sess_created` values as
`psess_created`.

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs
index 8311a735133..24512dea939 100644
--- a/compiler/rustc_incremental/src/persist/dirty_clean.rs
+++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs
@@ -395,7 +395,7 @@ impl<'tcx> DirtyCleanVisitor<'tcx> {
 /// a cfg flag called `foo`.
 fn check_config(tcx: TyCtxt<'_>, attr: &Attribute) -> bool {
     debug!("check_config(attr={:?})", attr);
-    let config = &tcx.sess.parse_sess.config;
+    let config = &tcx.sess.psess.config;
     debug!("check_config: config={:?}", config);
     let mut cfg = None;
     for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) {