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This commit is contained in:
Nicholas Nethercote 2023-11-20 13:12:07 +11:00
parent fec80b4475
commit cf561904db
1 changed files with 3 additions and 0 deletions
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3
compiler/rustc_interface/src/queries.rs
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@ -304,6 +304,7 @@ impl Compiler {
where where
F: for<'tcx> FnOnce(&'tcx Queries<'tcx>) -> T, F: for<'tcx> FnOnce(&'tcx Queries<'tcx>) -> T,
{ {
// Must declare `_timer` first so that it is dropped after `queries`.
let mut _timer = None; let mut _timer = None;
let queries = Queries::new(self); let queries = Queries::new(self);
let ret = f(&queries); let ret = f(&queries);
@ -324,6 +325,8 @@ impl Compiler {
.time("serialize_dep_graph", || gcx.enter(rustc_incremental::save_dep_graph)); .time("serialize_dep_graph", || gcx.enter(rustc_incremental::save_dep_graph));
} }
// The timer's lifetime spans the dropping of `queries`, which contains
// the global context.
_timer = Some(self.session().timer("free_global_ctxt")); _timer = Some(self.session().timer("free_global_ctxt"));
ret ret