diff options
Diffstat (limited to 'compiler/rustc_mir_transform/src')
| -rw-r--r-- | compiler/rustc_mir_transform/src/generator.rs | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/compiler/rustc_mir_transform/src/generator.rs b/compiler/rustc_mir_transform/src/generator.rs index 2e97312ee50..746326f9bde 100644 --- a/compiler/rustc_mir_transform/src/generator.rs +++ b/compiler/rustc_mir_transform/src/generator.rs @@ -1872,12 +1872,14 @@ fn check_must_not_suspend_def( data: SuspendCheckData<'_>, ) -> bool { if let Some(attr) = tcx.get_attr(def_id, sym::must_not_suspend) { - let msg = format!( - "{}`{}`{} held across a suspend point, but should not be", - data.descr_pre, - tcx.def_path_str(def_id), - data.descr_post, - ); + let msg = rustc_errors::DelayDm(|| { + format!( + "{}`{}`{} held across a suspend point, but should not be", + data.descr_pre, + tcx.def_path_str(def_id), + data.descr_post, + ) + }); tcx.struct_span_lint_hir( rustc_session::lint::builtin::MUST_NOT_SUSPEND, hir_id, |