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Auto merge of #97012 - oli-obk:🦀_intrinsics, r=davidtwco

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Add a query for checking whether a function is an intrinsic.

work towards #93145

This will reduce churn when we add more ways to declare intrinsics

r? `@scottmcm`
This commit is contained in:
bors 2022-05-17 09:39:26 +00:00
commit e9f3cdf84e
1 changed files with 1 additions and 2 deletions
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3
clippy_utils/src/qualify_min_const_fn.rs
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@ -14,7 +14,6 @@ use rustc_middle::ty::{self, adjustment::PointerCast, Ty, TyCtxt};
use rustc_semver::RustcVersion;
use rustc_span::symbol::sym;
use rustc_span::Span;
use rustc_target::spec::abi::Abi::RustIntrinsic;
use std::borrow::Cow;
type McfResult = Result<(), (Span, Cow<'static, str>)>;
@ -323,7 +322,7 @@ fn check_terminator<'a, 'tcx>(
// within const fns. `transmute` is allowed in all other const contexts.
// This won't really scale to more intrinsics or functions. Let's allow const
// transmutes in const fn before we add more hacks to this.
if tcx.fn_sig(fn_def_id).abi() == RustIntrinsic && tcx.item_name(fn_def_id) == sym::transmute {
if tcx.is_intrinsic(fn_def_id) && tcx.item_name(fn_def_id) == sym::transmute {
return Err((
span,
"can only call `transmute` from const items, not `const fn`".into(),