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don't ICE on missing box_free lang item

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This commit is contained in:
Alex Burka 2016-02-11 01:37:55 -05:00
parent 106070b905
commit e13d352aaf
1 changed files with 2 additions and 2 deletions
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4
src/librustc_mir/build/scope.rs
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@ -622,8 +622,8 @@ fn build_free<'tcx>(tcx: &ty::ctxt<'tcx>,
unit_temp: Lvalue<'tcx>,
data: &FreeData<'tcx>,
target: BasicBlock) -> Terminator<'tcx> {
let free_func = tcx.lang_items.box_free_fn()
.expect("box_free language item is missing");
let free_func = tcx.lang_items.require(lang_items::BoxFreeFnLangItem)
.unwrap_or_else(|e| tcx.sess.fatal(&e));
let substs = tcx.mk_substs(Substs::new(
VecPerParamSpace::new(vec![], vec![], vec![data.item_ty]),
VecPerParamSpace::new(vec![], vec![], vec![])