From e6660326a31d4fcd0031562d83d9fd648fb28e56 Mon Sep 17 00:00:00 2001
From: lcnr <rust@lcnr.de>
Date: Mon, 4 Jul 2022 19:13:53 +0200
Subject: [PATCH] bound variables during ctfe are a bug

---
 compiler/rustc_const_eval/src/interpret/intrinsics.rs | 2 +-
 compiler/rustc_const_eval/src/interpret/operand.rs    | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs
index 2f415a8c9c7..7dba5059307 100644
--- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs
+++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs
@@ -79,9 +79,9 @@ pub(crate) fn eval_nullary_intrinsic<'tcx>(
             ty::Projection(_)
             | ty::Opaque(_, _)
             | ty::Param(_)
-            | ty::Bound(_, _)
             | ty::Placeholder(_)
             | ty::Infer(_) => throw_inval!(TooGeneric),
+            ty::Bound(_, _) => bug!("bound ty during ctfe"),
             ty::Bool
             | ty::Char
             | ty::Int(_)
diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs
index ba041810bd1..f6c4f7dd112 100644
--- a/compiler/rustc_const_eval/src/interpret/operand.rs
+++ b/compiler/rustc_const_eval/src/interpret/operand.rs
@@ -559,7 +559,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
         layout: Option<TyAndLayout<'tcx>>,
     ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> {
         match c.kind() {
-            ty::ConstKind::Param(_) | ty::ConstKind::Bound(..) => throw_inval!(TooGeneric),
+            ty::ConstKind::Param(_) | ty::ConstKind::Placeholder(..) => throw_inval!(TooGeneric),
             ty::ConstKind::Error(DelaySpanBugEmitted { reported, .. }) => {
                 throw_inval!(AlreadyReported(reported))
             }
@@ -567,7 +567,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
                 let instance = self.resolve(uv.def, uv.substs)?;
                 Ok(self.eval_to_allocation(GlobalId { instance, promoted: uv.promoted })?.into())
             }
-            ty::ConstKind::Infer(..) | ty::ConstKind::Placeholder(..) => {
+            ty::ConstKind::Bound(..) | ty::ConstKind::Infer(..) => {
                 span_bug!(self.cur_span(), "const_to_op: Unexpected ConstKind {:?}", c)
             }
             ty::ConstKind::Value(valtree) => {