From b0d9afbc04483a8c19f15e13e3a61ce11892536d Mon Sep 17 00:00:00 2001 From: Oliver Schneider Date: Tue, 7 Mar 2017 16:09:01 +0100 Subject: Represent function pointers in mir-constants as a Value instead of Item --- src/librustc_mir/transform/qualify_consts.rs | 5 ----- src/librustc_mir/transform/type_check.rs | 5 ++++- 2 files changed, 4 insertions(+), 6 deletions(-) (limited to 'src/librustc_mir/transform') diff --git a/src/librustc_mir/transform/qualify_consts.rs b/src/librustc_mir/transform/qualify_consts.rs index e998665e035..ba42804c926 100644 --- a/src/librustc_mir/transform/qualify_consts.rs +++ b/src/librustc_mir/transform/qualify_consts.rs @@ -568,11 +568,6 @@ impl<'a, 'tcx> Visitor<'tcx> for Qualifier<'a, 'tcx, 'tcx> { }); } Operand::Constant(ref constant) => { - // Only functions and methods can have these types. - if let ty::TyFnDef(..) = constant.ty.sty { - return; - } - if let Literal::Item { def_id, substs } = constant.literal { // Don't peek inside generic (associated) constants. if substs.types().next().is_some() { diff --git a/src/librustc_mir/transform/type_check.rs b/src/librustc_mir/transform/type_check.rs index f98bb73c504..3d604affbfe 100644 --- a/src/librustc_mir/transform/type_check.rs +++ b/src/librustc_mir/transform/type_check.rs @@ -15,6 +15,7 @@ use rustc::infer::{self, InferCtxt, InferOk}; use rustc::traits::{self, Reveal}; use rustc::ty::fold::TypeFoldable; use rustc::ty::{self, Ty, TyCtxt, TypeVariants}; +use rustc::middle::const_val::ConstVal; use rustc::mir::*; use rustc::mir::tcx::LvalueTy; use rustc::mir::transform::{MirPass, MirSource, Pass}; @@ -526,7 +527,9 @@ impl<'a, 'gcx, 'tcx> TypeChecker<'a, 'gcx, 'tcx> { fn is_box_free(&self, operand: &Operand<'tcx>) -> bool { match operand { &Operand::Constant(Constant { - literal: Literal::Item { def_id, .. }, .. + literal: Literal::Value { + value: ConstVal::Function(def_id, _), .. + }, .. }) => { Some(def_id) == self.tcx().lang_items.box_free_fn() } -- cgit 1.4.1-3-g733a5