diff options
Diffstat (limited to 'compiler/rustc_hir_typeck/src/intrinsicck.rs')
| -rw-r--r-- | compiler/rustc_hir_typeck/src/intrinsicck.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/rustc_hir_typeck/src/intrinsicck.rs b/compiler/rustc_hir_typeck/src/intrinsicck.rs index 3c873024c..19d2befc4 100644 --- a/compiler/rustc_hir_typeck/src/intrinsicck.rs +++ b/compiler/rustc_hir_typeck/src/intrinsicck.rs @@ -3,7 +3,7 @@ use rustc_errors::struct_span_err; use rustc_hir as hir; use rustc_index::vec::Idx; use rustc_middle::ty::layout::{LayoutError, SizeSkeleton}; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_target::abi::{Pointer, VariantIdx}; use super::FnCtxt; @@ -38,6 +38,7 @@ fn unpack_option_like<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> { impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub fn check_transmute(&self, from: Ty<'tcx>, to: Ty<'tcx>, hir_id: HirId) { let tcx = self.tcx; + let dl = &tcx.data_layout; let span = tcx.hir().span(hir_id); let normalize = |ty| { let ty = self.resolve_vars_if_possible(ty); @@ -69,7 +70,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Special-case transmuting from `typeof(function)` and // `Option<typeof(function)>` to present a clearer error. let from = unpack_option_like(tcx, from); - if let (&ty::FnDef(..), SizeSkeleton::Known(size_to)) = (from.kind(), sk_to) && size_to == Pointer.size(&tcx) { + if let (&ty::FnDef(..), SizeSkeleton::Known(size_to)) = (from.kind(), sk_to) && size_to == Pointer(dl.instruction_address_space).size(&tcx) { struct_span_err!(tcx.sess, span, E0591, "can't transmute zero-sized type") .note(&format!("source type: {from}")) .note(&format!("target type: {to}")) |