bjoernager/rust
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entirely remove rustc_args_required_const attribute

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This commit is contained in:
Ralf Jung 2021-05-09 14:21:33 +02:00
parent 22e1778ec0
commit 44a8e8d745
14 changed files with 4 additions and 254 deletions
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4
compiler/rustc_codegen_ssa/src/mir/rvalue.rs
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@ -14,7 +14,6 @@ use rustc_middle::ty::cast::{CastTy, IntTy};
use rustc_middle::ty::layout::HasTyCtxt;
use rustc_middle::ty::{self, adjustment::PointerCast, Instance, Ty, TyCtxt};
use rustc_span::source_map::{Span, DUMMY_SP};
use rustc_span::symbol::sym;
use rustc_target::abi::{Abi, Int, LayoutOf, Variants};
impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
@ -187,9 +186,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
mir::CastKind::Pointer(PointerCast::ReifyFnPointer) => {
match *operand.layout.ty.kind() {
ty::FnDef(def_id, substs) => {
if bx.cx().tcx().has_attr(def_id, sym::rustc_args_required_const) {
bug!("reifying a fn ptr that requires const arguments");
}
let instance = ty::Instance::resolve_for_fn_ptr(
bx.tcx(),
ty::ParamEnv::reveal_all(),