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implement const iterator using rustc_do_not_const_check

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This commit is contained in:
Deadbeef 2023-01-06 19:03:02 +00:00
parent a64ef7d07d
commit 6bf2c4d739
4 changed files with 101 additions and 1 deletions
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7
compiler/rustc_hir_typeck/src/lib.rs
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@ -67,7 +67,7 @@ use rustc_middle::ty::{self, Ty, TyCtxt};
use rustc_session::config;
use rustc_session::Session;
use rustc_span::def_id::{DefId, LocalDefId};
use rustc_span::Span;
use rustc_span::{sym, Span};
#[macro_export]
macro_rules! type_error_struct {
@ -201,6 +201,11 @@ fn typeck_with_fallback<'tcx>(
let typeck_results = Inherited::build(tcx, def_id).enter(|inh| {
let param_env = tcx.param_env(def_id);
let param_env = if tcx.has_attr(def_id.to_def_id(), sym::rustc_do_not_const_check) {
param_env.without_const()
} else {
param_env
};
let mut fcx = FnCtxt::new(&inh, param_env, def_id);
if let Some(hir::FnSig { header, decl, .. }) = fn_sig {