diff --git a/compiler/rustc_const_eval/messages.ftl b/compiler/rustc_const_eval/messages.ftl
index f3af633b4e561..0046190d20cc7 100644
--- a/compiler/rustc_const_eval/messages.ftl
+++ b/compiler/rustc_const_eval/messages.ftl
@@ -374,12 +374,6 @@ const_eval_unallowed_op_in_const_context =
 const_eval_unavailable_target_features_for_fn =
     calling a function that requires unavailable target features: {$unavailable_feats}
 
-const_eval_undefined_behavior =
-    it is undefined behavior to use this value
-
-const_eval_undefined_behavior_note =
-    The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
-
 const_eval_uninhabited_enum_variant_read =
     read discriminant of an uninhabited enum variant
 const_eval_uninhabited_enum_variant_written =
@@ -434,6 +428,12 @@ const_eval_validation_expected_raw_ptr = expected a raw pointer
 const_eval_validation_expected_ref = expected a reference
 const_eval_validation_expected_str = expected a string
 
+const_eval_validation_failure =
+    it is undefined behavior to use this value
+
+const_eval_validation_failure_note =
+    The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
+
 const_eval_validation_front_matter_invalid_value = constructing invalid value
 const_eval_validation_front_matter_invalid_value_with_path = constructing invalid value at {$path}
 
diff --git a/compiler/rustc_const_eval/src/const_eval/error.rs b/compiler/rustc_const_eval/src/const_eval/error.rs
index b6adee435ba3a..763344207c467 100644
--- a/compiler/rustc_const_eval/src/const_eval/error.rs
+++ b/compiler/rustc_const_eval/src/const_eval/error.rs
@@ -2,15 +2,16 @@ use std::mem;
 
 use rustc_errors::{DiagArgName, DiagArgValue, DiagMessage, Diagnostic, IntoDiagArg};
 use rustc_hir::CRATE_HIR_ID;
+use rustc_middle::mir::interpret::Provenance;
 use rustc_middle::mir::AssertKind;
 use rustc_middle::query::TyCtxtAt;
 use rustc_middle::ty::TyCtxt;
 use rustc_middle::ty::{layout::LayoutError, ConstInt};
 use rustc_span::{Span, Symbol, DUMMY_SP};
 
-use super::{CompileTimeInterpreter, InterpCx};
+use super::CompileTimeInterpreter;
 use crate::errors::{self, FrameNote, ReportErrorExt};
-use crate::interpret::{ErrorHandled, InterpError, InterpErrorInfo, MachineStopType};
+use crate::interpret::{ErrorHandled, Frame, InterpError, InterpErrorInfo, MachineStopType};
 
 /// The CTFE machine has some custom error kinds.
 #[derive(Clone, Debug)]
@@ -58,15 +59,12 @@ impl<'tcx> Into<InterpErrorInfo<'tcx>> for ConstEvalErrKind {
 
 pub fn get_span_and_frames<'tcx, 'mir>(
     tcx: TyCtxtAt<'tcx>,
-    machine: &CompileTimeInterpreter<'mir, 'tcx>,
+    stack: &[Frame<'mir, 'tcx, impl Provenance, impl Sized>],
 ) -> (Span, Vec<errors::FrameNote>)
 where
     'tcx: 'mir,
 {
-    let mut stacktrace =
-        InterpCx::<CompileTimeInterpreter<'mir, 'tcx>>::generate_stacktrace_from_stack(
-            &machine.stack,
-        );
+    let mut stacktrace = Frame::generate_stacktrace_from_stack(stack);
     // Filter out `requires_caller_location` frames.
     stacktrace.retain(|frame| !frame.instance.def.requires_caller_location(*tcx));
     let span = stacktrace.first().map(|f| f.span).unwrap_or(tcx.span);
@@ -170,7 +168,7 @@ pub(super) fn lint<'tcx, 'mir, L>(
 ) where
     L: for<'a> rustc_errors::LintDiagnostic<'a, ()>,
 {
-    let (span, frames) = get_span_and_frames(tcx, machine);
+    let (span, frames) = get_span_and_frames(tcx, &machine.stack);
 
     tcx.emit_node_span_lint(
         lint,
diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
index 5f4408ebbc6c2..5a1c7cc4209ad 100644
--- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
+++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
@@ -18,18 +18,18 @@ use crate::errors;
 use crate::errors::ConstEvalError;
 use crate::interpret::eval_nullary_intrinsic;
 use crate::interpret::{
-    create_static_alloc, intern_const_alloc_recursive, take_static_root_alloc, CtfeValidationMode,
-    GlobalId, Immediate, InternKind, InterpCx, InterpError, InterpResult, MPlaceTy, MemoryKind,
-    OpTy, RefTracking, StackPopCleanup,
+    create_static_alloc, intern_const_alloc_recursive, CtfeValidationMode, GlobalId, Immediate,
+    InternKind, InterpCx, InterpError, InterpResult, MPlaceTy, MemoryKind, OpTy, RefTracking,
+    StackPopCleanup,
 };
 
 // Returns a pointer to where the result lives
-#[instrument(level = "trace", skip(ecx, body), ret)]
-fn eval_body_using_ecx<'mir, 'tcx>(
+#[instrument(level = "trace", skip(ecx, body))]
+fn eval_body_using_ecx<'mir, 'tcx, R: InterpretationResult<'tcx>>(
     ecx: &mut CompileTimeEvalContext<'mir, 'tcx>,
     cid: GlobalId<'tcx>,
     body: &'mir mir::Body<'tcx>,
-) -> InterpResult<'tcx, MPlaceTy<'tcx>> {
+) -> InterpResult<'tcx, R> {
     trace!(?ecx.param_env);
     let tcx = *ecx.tcx;
     assert!(
@@ -84,7 +84,10 @@ fn eval_body_using_ecx<'mir, 'tcx>(
     // Intern the result
     intern_const_alloc_recursive(ecx, intern_kind, &ret)?;
 
-    Ok(ret)
+    // Since evaluation had no errors, validate the resulting constant.
+    const_validate_mplace(&ecx, &ret, cid)?;
+
+    Ok(R::make_result(ret, ecx))
 }
 
 /// The `InterpCx` is only meant to be used to do field and index projections into constants for
@@ -282,18 +285,26 @@ pub fn eval_static_initializer_provider<'tcx>(
 
     let instance = ty::Instance::mono(tcx, def_id.to_def_id());
     let cid = rustc_middle::mir::interpret::GlobalId { instance, promoted: None };
-    let mut ecx = InterpCx::new(
-        tcx,
-        tcx.def_span(def_id),
-        ty::ParamEnv::reveal_all(),
-        // Statics (and promoteds inside statics) may access other statics, because unlike consts
-        // they do not have to behave "as if" they were evaluated at runtime.
-        CompileTimeInterpreter::new(CanAccessMutGlobal::Yes, CheckAlignment::Error),
-    );
-    let alloc_id = eval_in_interpreter(&mut ecx, cid, true)?.alloc_id;
-    let alloc = take_static_root_alloc(&mut ecx, alloc_id);
-    let alloc = tcx.mk_const_alloc(alloc);
-    Ok(alloc)
+    eval_in_interpreter(tcx, cid, ty::ParamEnv::reveal_all())
+}
+
+pub trait InterpretationResult<'tcx> {
+    /// This function takes the place where the result of the evaluation is stored
+    /// and prepares it for returning it in the appropriate format needed by the specific
+    /// evaluation query.
+    fn make_result<'mir>(
+        mplace: MPlaceTy<'tcx>,
+        ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>,
+    ) -> Self;
+}
+
+impl<'tcx> InterpretationResult<'tcx> for ConstAlloc<'tcx> {
+    fn make_result<'mir>(
+        mplace: MPlaceTy<'tcx>,
+        _ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>,
+    ) -> Self {
+        ConstAlloc { alloc_id: mplace.ptr().provenance.unwrap().alloc_id(), ty: mplace.layout.ty }
+    }
 }
 
 #[instrument(skip(tcx), level = "debug")]
@@ -319,92 +330,64 @@ pub fn eval_to_allocation_raw_provider<'tcx>(
         trace!("const eval: {:?} ({})", key, instance);
     }
 
-    let cid = key.value;
+    eval_in_interpreter(tcx, key.value, key.param_env)
+}
+
+fn eval_in_interpreter<'tcx, R: InterpretationResult<'tcx>>(
+    tcx: TyCtxt<'tcx>,
+    cid: GlobalId<'tcx>,
+    param_env: ty::ParamEnv<'tcx>,
+) -> Result<R, ErrorHandled> {
     let def = cid.instance.def.def_id();
     let is_static = tcx.is_static(def);
 
     let mut ecx = InterpCx::new(
         tcx,
         tcx.def_span(def),
-        key.param_env,
+        param_env,
         // Statics (and promoteds inside statics) may access mutable global memory, because unlike consts
         // they do not have to behave "as if" they were evaluated at runtime.
         // For consts however we want to ensure they behave "as if" they were evaluated at runtime,
         // so we have to reject reading mutable global memory.
         CompileTimeInterpreter::new(CanAccessMutGlobal::from(is_static), CheckAlignment::Error),
     );
-    eval_in_interpreter(&mut ecx, cid, is_static)
-}
-
-pub fn eval_in_interpreter<'mir, 'tcx>(
-    ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>,
-    cid: GlobalId<'tcx>,
-    is_static: bool,
-) -> ::rustc_middle::mir::interpret::EvalToAllocationRawResult<'tcx> {
-    // `is_static` just means "in static", it could still be a promoted!
-    debug_assert_eq!(is_static, ecx.tcx.static_mutability(cid.instance.def_id()).is_some());
-
     let res = ecx.load_mir(cid.instance.def, cid.promoted);
-    match res.and_then(|body| eval_body_using_ecx(ecx, cid, body)) {
-        Err(error) => {
-            let (error, backtrace) = error.into_parts();
-            backtrace.print_backtrace();
-
-            let (kind, instance) = if is_static {
-                ("static", String::new())
-            } else {
-                // If the current item has generics, we'd like to enrich the message with the
-                // instance and its args: to show the actual compile-time values, in addition to
-                // the expression, leading to the const eval error.
-                let instance = &cid.instance;
-                if !instance.args.is_empty() {
-                    let instance = with_no_trimmed_paths!(instance.to_string());
-                    ("const_with_path", instance)
-                } else {
-                    ("const", String::new())
-                }
-            };
-
-            Err(super::report(
-                *ecx.tcx,
-                error,
-                None,
-                || super::get_span_and_frames(ecx.tcx, &ecx.machine),
-                |span, frames| ConstEvalError {
-                    span,
-                    error_kind: kind,
-                    instance,
-                    frame_notes: frames,
-                },
-            ))
-        }
-        Ok(mplace) => {
-            // Since evaluation had no errors, validate the resulting constant.
-
-            // Temporarily allow access to the static_root_ids for the purpose of validation.
-            let static_root_ids = ecx.machine.static_root_ids.take();
-            let res = const_validate_mplace(&ecx, &mplace, cid);
-            ecx.machine.static_root_ids = static_root_ids;
-
-            let alloc_id = mplace.ptr().provenance.unwrap().alloc_id();
-
-            // Validation failed, report an error.
-            if let Err(error) = res {
-                Err(const_report_error(&ecx, error, alloc_id))
+    res.and_then(|body| eval_body_using_ecx(&mut ecx, cid, body)).map_err(|error| {
+        let (error, backtrace) = error.into_parts();
+        backtrace.print_backtrace();
+
+        let (kind, instance) = if ecx.tcx.is_static(cid.instance.def_id()) {
+            ("static", String::new())
+        } else {
+            // If the current item has generics, we'd like to enrich the message with the
+            // instance and its args: to show the actual compile-time values, in addition to
+            // the expression, leading to the const eval error.
+            let instance = &cid.instance;
+            if !instance.args.is_empty() {
+                let instance = with_no_trimmed_paths!(instance.to_string());
+                ("const_with_path", instance)
             } else {
-                // Convert to raw constant
-                Ok(ConstAlloc { alloc_id, ty: mplace.layout.ty })
+                ("const", String::new())
             }
-        }
-    }
+        };
+
+        super::report(
+            *ecx.tcx,
+            error,
+            None,
+            || super::get_span_and_frames(ecx.tcx, ecx.stack()),
+            |span, frames| ConstEvalError { span, error_kind: kind, instance, frame_notes: frames },
+        )
+    })
 }
 
 #[inline(always)]
-pub fn const_validate_mplace<'mir, 'tcx>(
+fn const_validate_mplace<'mir, 'tcx>(
     ecx: &InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>,
     mplace: &MPlaceTy<'tcx>,
     cid: GlobalId<'tcx>,
-) -> InterpResult<'tcx> {
+) -> Result<(), ErrorHandled> {
+    let alloc_id = mplace.ptr().provenance.unwrap().alloc_id();
     let mut ref_tracking = RefTracking::new(mplace.clone());
     let mut inner = false;
     while let Some((mplace, path)) = ref_tracking.todo.pop() {
@@ -418,7 +401,10 @@ pub fn const_validate_mplace<'mir, 'tcx>(
                 CtfeValidationMode::Const { allow_immutable_unsafe_cell: !inner }
             }
         };
-        ecx.const_validate_operand(&mplace.into(), path, &mut ref_tracking, mode)?;
+        ecx.const_validate_operand(&mplace.into(), path, &mut ref_tracking, mode)
+            // Instead of just reporting the `InterpError` via the usual machinery, we give a more targetted
+            // error about the validation failure.
+            .map_err(|error| report_validation_error(&ecx, error, alloc_id))?;
         inner = true;
     }
 
@@ -426,7 +412,7 @@ pub fn const_validate_mplace<'mir, 'tcx>(
 }
 
 #[inline(always)]
-pub fn const_report_error<'mir, 'tcx>(
+fn report_validation_error<'mir, 'tcx>(
     ecx: &InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>,
     error: InterpErrorInfo<'tcx>,
     alloc_id: AllocId,
@@ -444,7 +430,7 @@ pub fn const_report_error<'mir, 'tcx>(
         *ecx.tcx,
         error,
         None,
-        || crate::const_eval::get_span_and_frames(ecx.tcx, &ecx.machine),
-        move |span, frames| errors::UndefinedBehavior { span, ub_note, frames, raw_bytes },
+        || crate::const_eval::get_span_and_frames(ecx.tcx, ecx.stack()),
+        move |span, frames| errors::ValidationFailure { span, ub_note, frames, raw_bytes },
     )
 }
diff --git a/compiler/rustc_const_eval/src/const_eval/mod.rs b/compiler/rustc_const_eval/src/const_eval/mod.rs
index 289dcb7d01d68..d0d6adbfad069 100644
--- a/compiler/rustc_const_eval/src/const_eval/mod.rs
+++ b/compiler/rustc_const_eval/src/const_eval/mod.rs
@@ -5,7 +5,7 @@ use rustc_middle::mir::interpret::InterpErrorInfo;
 use rustc_middle::query::TyCtxtAt;
 use rustc_middle::ty::{self, Ty};
 
-use crate::interpret::{format_interp_error, InterpCx};
+use crate::interpret::format_interp_error;
 
 mod error;
 mod eval_queries;
diff --git a/compiler/rustc_const_eval/src/errors.rs b/compiler/rustc_const_eval/src/errors.rs
index 249c02b75f7d2..077b411c60744 100644
--- a/compiler/rustc_const_eval/src/errors.rs
+++ b/compiler/rustc_const_eval/src/errors.rs
@@ -409,11 +409,11 @@ pub struct NullaryIntrinsicError {
 }
 
 #[derive(Diagnostic)]
-#[diag(const_eval_undefined_behavior, code = E0080)]
-pub struct UndefinedBehavior {
+#[diag(const_eval_validation_failure, code = E0080)]
+pub struct ValidationFailure {
     #[primary_span]
     pub span: Span,
-    #[note(const_eval_undefined_behavior_note)]
+    #[note(const_eval_validation_failure_note)]
     pub ub_note: Option<()>,
     #[subdiagnostic]
     pub frames: Vec<FrameNote>,
diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs
index a484fbd892c6d..fbf9c141d22e7 100644
--- a/compiler/rustc_const_eval/src/interpret/eval_context.rs
+++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs
@@ -279,6 +279,32 @@ impl<'mir, 'tcx, Prov: Provenance, Extra> Frame<'mir, 'tcx, Prov, Extra> {
             }
         })
     }
+
+    #[must_use]
+    pub fn generate_stacktrace_from_stack(stack: &[Self]) -> Vec<FrameInfo<'tcx>> {
+        let mut frames = Vec::new();
+        // This deliberately does *not* honor `requires_caller_location` since it is used for much
+        // more than just panics.
+        for frame in stack.iter().rev() {
+            let span = match frame.loc {
+                Left(loc) => {
+                    // If the stacktrace passes through MIR-inlined source scopes, add them.
+                    let mir::SourceInfo { mut span, scope } = *frame.body.source_info(loc);
+                    let mut scope_data = &frame.body.source_scopes[scope];
+                    while let Some((instance, call_span)) = scope_data.inlined {
+                        frames.push(FrameInfo { span, instance });
+                        span = call_span;
+                        scope_data = &frame.body.source_scopes[scope_data.parent_scope.unwrap()];
+                    }
+                    span
+                }
+                Right(span) => span,
+            };
+            frames.push(FrameInfo { span, instance: frame.instance });
+        }
+        trace!("generate stacktrace: {:#?}", frames);
+        frames
+    }
 }
 
 // FIXME: only used by miri, should be removed once translatable.
@@ -1166,37 +1192,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
         PlacePrinter { ecx: self, place: *place.place() }
     }
 
-    #[must_use]
-    pub fn generate_stacktrace_from_stack(
-        stack: &[Frame<'mir, 'tcx, M::Provenance, M::FrameExtra>],
-    ) -> Vec<FrameInfo<'tcx>> {
-        let mut frames = Vec::new();
-        // This deliberately does *not* honor `requires_caller_location` since it is used for much
-        // more than just panics.
-        for frame in stack.iter().rev() {
-            let span = match frame.loc {
-                Left(loc) => {
-                    // If the stacktrace passes through MIR-inlined source scopes, add them.
-                    let mir::SourceInfo { mut span, scope } = *frame.body.source_info(loc);
-                    let mut scope_data = &frame.body.source_scopes[scope];
-                    while let Some((instance, call_span)) = scope_data.inlined {
-                        frames.push(FrameInfo { span, instance });
-                        span = call_span;
-                        scope_data = &frame.body.source_scopes[scope_data.parent_scope.unwrap()];
-                    }
-                    span
-                }
-                Right(span) => span,
-            };
-            frames.push(FrameInfo { span, instance: frame.instance });
-        }
-        trace!("generate stacktrace: {:#?}", frames);
-        frames
-    }
-
     #[must_use]
     pub fn generate_stacktrace(&self) -> Vec<FrameInfo<'tcx>> {
-        Self::generate_stacktrace_from_stack(self.stack())
+        Frame::generate_stacktrace_from_stack(self.stack())
     }
 }
 
diff --git a/compiler/rustc_const_eval/src/interpret/intern.rs b/compiler/rustc_const_eval/src/interpret/intern.rs
index 55d4b9edd59b8..b0fc0d7635065 100644
--- a/compiler/rustc_const_eval/src/interpret/intern.rs
+++ b/compiler/rustc_const_eval/src/interpret/intern.rs
@@ -175,7 +175,7 @@ pub fn intern_const_alloc_recursive<
     // This gives us the initial set of nested allocations, which will then all be processed
     // recursively in the loop below.
     let mut todo: Vec<_> = if is_static {
-        // Do not steal the root allocation, we need it later for `take_static_root_alloc`
+        // Do not steal the root allocation, we need it later to create the return value of `eval_static_initializer`.
         // But still change its mutability to match the requested one.
         let alloc = ecx.memory.alloc_map.get_mut(&base_alloc_id).unwrap();
         alloc.1.mutability = base_mutability;
diff --git a/compiler/rustc_const_eval/src/interpret/mod.rs b/compiler/rustc_const_eval/src/interpret/mod.rs
index 2ed879ca72b5f..474d35b2aa3a2 100644
--- a/compiler/rustc_const_eval/src/interpret/mod.rs
+++ b/compiler/rustc_const_eval/src/interpret/mod.rs
@@ -39,5 +39,5 @@ use self::{
 };
 
 pub(crate) use self::intrinsics::eval_nullary_intrinsic;
-pub(crate) use self::util::{create_static_alloc, take_static_root_alloc};
+pub(crate) use self::util::create_static_alloc;
 use eval_context::{from_known_layout, mir_assign_valid_types};
diff --git a/compiler/rustc_const_eval/src/interpret/util.rs b/compiler/rustc_const_eval/src/interpret/util.rs
index 086475f72c5d4..c83ef14c03fe7 100644
--- a/compiler/rustc_const_eval/src/interpret/util.rs
+++ b/compiler/rustc_const_eval/src/interpret/util.rs
@@ -1,14 +1,15 @@
-use crate::const_eval::CompileTimeEvalContext;
+use crate::const_eval::{CompileTimeEvalContext, CompileTimeInterpreter, InterpretationResult};
 use crate::interpret::{MemPlaceMeta, MemoryKind};
 use rustc_hir::def_id::LocalDefId;
-use rustc_middle::mir::interpret::{AllocId, Allocation, InterpResult, Pointer};
+use rustc_middle::mir;
+use rustc_middle::mir::interpret::{Allocation, InterpResult, Pointer};
 use rustc_middle::ty::layout::TyAndLayout;
 use rustc_middle::ty::{
     self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor,
 };
 use std::ops::ControlFlow;
 
-use super::MPlaceTy;
+use super::{InterpCx, MPlaceTy};
 
 /// Checks whether a type contains generic parameters which must be instantiated.
 ///
@@ -80,11 +81,15 @@ where
     }
 }
 
-pub(crate) fn take_static_root_alloc<'mir, 'tcx: 'mir>(
-    ecx: &mut CompileTimeEvalContext<'mir, 'tcx>,
-    alloc_id: AllocId,
-) -> Allocation {
-    ecx.memory.alloc_map.swap_remove(&alloc_id).unwrap().1
+impl<'tcx> InterpretationResult<'tcx> for mir::interpret::ConstAllocation<'tcx> {
+    fn make_result<'mir>(
+        mplace: MPlaceTy<'tcx>,
+        ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>,
+    ) -> Self {
+        let alloc_id = mplace.ptr().provenance.unwrap().alloc_id();
+        let alloc = ecx.memory.alloc_map.swap_remove(&alloc_id).unwrap().1;
+        ecx.tcx.mk_const_alloc(alloc)
+    }
 }
 
 pub(crate) fn create_static_alloc<'mir, 'tcx: 'mir>(
diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs
index 4683965159d73..6e612ea34a70f 100644
--- a/src/tools/miri/src/diagnostics.rs
+++ b/src/tools/miri/src/diagnostics.rs
@@ -528,7 +528,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> {
         use NonHaltingDiagnostic::*;
 
         let stacktrace =
-            MiriInterpCx::generate_stacktrace_from_stack(self.threads.active_thread_stack());
+            Frame::generate_stacktrace_from_stack(self.threads.active_thread_stack());
         let (stacktrace, _was_pruned) = prune_stacktrace(stacktrace, self);
 
         let (title, diag_level) = match &e {