Add `DiagCtxt::delayed_bug`.

We have `span_delayed_bug` and often pass it a `DUMMY_SP`. This commit
adds `delayed_bug`, which matches pairs like `err`/`span_err` and
`warn`/`span_warn`.

2 files changed, 2 insertions, 3 deletions

diff --git a/compiler/rustc_passes/src/hir_id_validator.rs b/compiler/rustc_passes/src/hir_id_validator.rs
index 0727bad7c5a..02f56ecb10b 100644
--- a/compiler/rustc_passes/src/hir_id_validator.rs
+++ b/compiler/rustc_passes/src/hir_id_validator.rs
@@ -31,7 +31,7 @@ pub fn check_crate(tcx: TyCtxt<'_>) {
 
         if !errors.is_empty() {
             let message = errors.iter().fold(String::new(), |s1, s2| s1 + "\n" + s2);
-            tcx.dcx().span_delayed_bug(rustc_span::DUMMY_SP, message);
+            tcx.dcx().delayed_bug(message);
         }
     }
 }
diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs
index aba08e8b5ca..92687c705ae 100644
--- a/compiler/rustc_passes/src/liveness.rs
+++ b/compiler/rustc_passes/src/liveness.rs
@@ -98,7 +98,6 @@ use rustc_middle::query::Providers;
 use rustc_middle::ty::{self, RootVariableMinCaptureList, Ty, TyCtxt};
 use rustc_session::lint;
 use rustc_span::symbol::{kw, sym, Symbol};
-use rustc_span::DUMMY_SP;
 use rustc_span::{BytePos, Span};
 
 use std::io;
@@ -560,7 +559,7 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
         match self.successors[ln] {
             Some(successor) => self.assigned_on_entry(successor, var),
             None => {
-                self.ir.tcx.dcx().span_delayed_bug(DUMMY_SP, "no successor");
+                self.ir.tcx.dcx().delayed_bug("no successor");
                 true
             }
         }