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Clarify shim implementation comment.

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This commit is contained in:
Adam Perry 2019-10-10 07:50:33 -07:00
parent 407d1d5fd4
commit 2dbc62b56a
1 changed files with 2 additions and 1 deletions
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3
src/librustc_mir/shim.rs
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@ -69,7 +69,8 @@ fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceDef<'tcx>) -> &'tcx
// We are generating a call back to our def-id, which the
// codegen backend knows to turn to an actual virtual call.
ty::InstanceDef::Virtual(def_id, _) |
// ...or we are generating a call to the inner closure defined by #[track_caller]
// ...or we are generating a direct call to our #[track_caller] function which
// requires an implicit caller location that the virtual call won't pass
ty::InstanceDef::ReifyShim(def_id) => {
build_call_shim(
tcx,