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path: root/compiler/rustc_const_eval/src/const_eval/machine.rs
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Diffstat (limited to 'compiler/rustc_const_eval/src/const_eval/machine.rs')
-rw-r--r--compiler/rustc_const_eval/src/const_eval/machine.rs6
1 files changed, 2 insertions, 4 deletions
diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs
index 6736fc749c0..f104b836716 100644
--- a/compiler/rustc_const_eval/src/const_eval/machine.rs
+++ b/compiler/rustc_const_eval/src/const_eval/machine.rs
@@ -243,14 +243,12 @@ impl<'mir, 'tcx: 'mir> CompileTimeEvalContext<'mir, 'tcx> {
         } else if Some(def_id) == self.tcx.lang_items().panic_fmt() {
             // For panic_fmt, call const_panic_fmt instead.
             let const_def_id = self.tcx.require_lang_item(LangItem::ConstPanicFmt, None);
-            let new_instance = ty::Instance::resolve(
+            let new_instance = ty::Instance::expect_resolve(
                 *self.tcx,
                 ty::ParamEnv::reveal_all(),
                 const_def_id,
                 instance.args,
-            )
-            .unwrap()
-            .unwrap();
+            );
 
             return Ok(Some(new_instance));
         } else if Some(def_id) == self.tcx.lang_items().align_offset_fn() {