Auto merge of #52712 - oli-obk:const_eval_cleanups, r=RalfJung

[rust.git] / src / librustc_mir / monomorphize / collector.rs

diff --git a/src/librustc_mir/monomorphize/collector.rs b/src/librustc_mir/monomorphize/collector.rs
index 6283ee9cfe648ed9f60ac54bad1df188722ba6c8..97f1f2a76ca2b71ef2b346aafa812604ecdd5ed5 100644 (file)
--- a/src/librustc_mir/monomorphize/collector.rs
+++ b/src/librustc_mir/monomorphize/collector.rs
@@ -193,7 +193,7 @@
 
 use rustc::hir::map as hir_map;
 use rustc::hir::def_id::DefId;
-use rustc::mir::interpret::{AllocId, ConstValue};
+use rustc::mir::interpret::{AllocId, ConstValue, ScalarMaybeUndef};
 use rustc::middle::lang_items::{ExchangeMallocFnLangItem, StartFnLangItem};
 use rustc::ty::subst::Substs;
 use rustc::ty::{self, TypeFoldable, Ty, TyCtxt, GenericParamDefKind};
@@ -1264,11 +1264,11 @@ fn collect_const<'a, 'tcx>(
     };
     match val {
         ConstValue::Unevaluated(..) => bug!("const eval yielded unevaluated const"),
-        ConstValue::ScalarPair(Scalar::Ptr(a), Scalar::Ptr(b)) => {
+        ConstValue::ScalarPair(Scalar::Ptr(a), ScalarMaybeUndef::Scalar(Scalar::Ptr(b))) => {
             collect_miri(tcx, a.alloc_id, output);
             collect_miri(tcx, b.alloc_id, output);
         }
-        ConstValue::ScalarPair(_, Scalar::Ptr(ptr)) |
+        ConstValue::ScalarPair(_, ScalarMaybeUndef::Scalar(Scalar::Ptr(ptr))) |
         ConstValue::ScalarPair(Scalar::Ptr(ptr), _) |
         ConstValue::Scalar(Scalar::Ptr(ptr)) =>
             collect_miri(tcx, ptr.alloc_id, output),