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Add delay_span_bug and increase idiomaticity

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This commit is contained in:
varkor 2017-12-18 18:38:35 +00:00
parent 55b0f14890
commit e65c741637
1 changed files with 4 additions and 3 deletions
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7
src/librustc/middle/expr_use_visitor.rs
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@ -558,9 +558,8 @@ impl<'a, 'gcx, 'tcx> ExprUseVisitor<'a, 'gcx, 'tcx> {
}
ty::TyError => { }
_ => {
let type_dependent_defs = self.mc.tables.type_dependent_defs();
if type_dependent_defs.contains_key(call.hir_id) {
let def_id = type_dependent_defs[call.hir_id].def_id();
if let Some(def) = self.mc.tables.type_dependent_defs().get(call.hir_id) {
let def_id = def.def_id();
let call_scope = region::Scope::Node(call.hir_id.local_id);
match OverloadedCallType::from_method_id(self.tcx(), def_id) {
FnMutOverloadedCall => {
@ -579,6 +578,8 @@ impl<'a, 'gcx, 'tcx> ExprUseVisitor<'a, 'gcx, 'tcx> {
}
FnOnceOverloadedCall => self.consume_expr(callee),
}
} else {
self.tcx().sess.delay_span_bug(call.span, "no type-dependent def for overloaded call");
}
}
}