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rustc_index: Add a ZERO constant to index types

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It is commonly used.
This commit is contained in:
Vadim Petrochenkov 2024-04-03 17:49:59 +03:00
parent ceab6128fa
commit b40ea03f8a
42 changed files with 80 additions and 90 deletions
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2
compiler/rustc_codegen_cranelift/src/vtable.rs
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@ -61,7 +61,7 @@ pub(crate) fn get_ptr_and_method_ref<'tcx>(
if ty.is_dyn_star() {
let inner_layout = fx.layout_of(arg.layout().ty.builtin_deref(true).unwrap().ty);
let dyn_star = CPlace::for_ptr(Pointer::new(arg.load_scalar(fx)), inner_layout);
let ptr = dyn_star.place_field(fx, FieldIdx::new(0)).to_ptr();
let ptr = dyn_star.place_field(fx, FieldIdx::ZERO).to_ptr();
let vtable =
dyn_star.place_field(fx, FieldIdx::new(1)).to_cvalue(fx).load_scalar(fx);
break 'block (ptr, vtable);