bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

polymorphize: don't check foreign items

Browse source 
Foreign items do not have bodies and so cannot be polymorphized.

Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2021-10-01 14:40:42 +00:00
parent 4e4942dfa6
commit 50433a0bf4
1 changed files with 5 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
compiler/rustc_monomorphize/src/polymorphize.rs
View file

@ -52,6 +52,11 @@ fn unused_generic_params(tcx: TyCtxt<'_>, def_id: DefId) -> FiniteBitSet<u32> {
return FiniteBitSet::new_empty(); return FiniteBitSet::new_empty();
} }
// Exit early for foreign items, these have no bodies to analyze.
if tcx.is_foreign_item(def_id) {
return FiniteBitSet::new_empty();
}
// Exit early when there is no MIR available. // Exit early when there is no MIR available.
let context = tcx.hir().body_const_context(def_id.expect_local()); let context = tcx.hir().body_const_context(def_id.expect_local());
match context { match context {