}
}
hir::ExprMethodCall(..) => {
- let def_id = v.tables.type_dependent_defs()[e.hir_id].def_id();
- match v.tcx.associated_item(def_id).container {
- ty::ImplContainer(_) => v.handle_const_fn_call(def_id, node_ty),
- ty::TraitContainer(_) => v.promotable = false
+ if let Some(def) = v.tables.type_dependent_defs().get(e.hir_id) {
+ let def_id = def.def_id();
+ match v.tcx.associated_item(def_id).container {
+ ty::ImplContainer(_) => v.handle_const_fn_call(def_id, node_ty),
+ ty::TraitContainer(_) => v.promotable = false
+ }
+ } else {
+ v.tcx.sess.delay_span_bug(e.span, "no type-dependent def for method call");
}
}
hir::ExprStruct(..) => {
--- /dev/null
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+ let v = vec![0];
+ const l: usize = v.count(); //~ ERROR can't capture dynamic environment in a fn item
+ let s: [u32; l] = v.into_iter().collect(); //~ ERROR constant evaluation error
+}