Auto merge of #90406 - nbdd0121:panic, r=cjgillot

Collect `panic/panic_bounds_check` during monomorphization

This would prevent link time errors if these functions are `#[inline]` (e.g. when `panic_immediate_abort` is used).

Fix #90405
Fix rust-lang/cargo#10019

`@rustbot` label: T-compiler A-codegen

1 files changed, 11 insertions, 2 deletions

diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs
index 5147408210e..59988e69b5d 100644
--- a/compiler/rustc_monomorphize/src/collector.rs
+++ b/compiler/rustc_monomorphize/src/collector.rs
@@ -806,13 +806,22 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirNeighborCollector<'a, 'tcx> {
                     }
                 }
             }
+            mir::TerminatorKind::Assert { ref msg, .. } => {
+                let lang_item = match msg {
+                    mir::AssertKind::BoundsCheck { .. } => LangItem::PanicBoundsCheck,
+                    _ => LangItem::Panic,
+                };
+                let instance = Instance::mono(tcx, tcx.require_lang_item(lang_item, Some(source)));
+                if should_codegen_locally(tcx, &instance) {
+                    self.output.push(create_fn_mono_item(tcx, instance, source));
+                }
+            }
             mir::TerminatorKind::Goto { .. }
             | mir::TerminatorKind::SwitchInt { .. }
             | mir::TerminatorKind::Resume
             | mir::TerminatorKind::Abort
             | mir::TerminatorKind::Return
-            | mir::TerminatorKind::Unreachable
-            | mir::TerminatorKind::Assert { .. } => {}
+            | mir::TerminatorKind::Unreachable => {}
             mir::TerminatorKind::GeneratorDrop
             | mir::TerminatorKind::Yield { .. }
             | mir::TerminatorKind::FalseEdge { .. }