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Rollup merge of #144685 - jdonszelmann:lang-items-once, r=wafflelapkin

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Only extract lang items once in codegen_fn_attrs

This one should be obvious. These two extraction points used to be far apart but now that they're refactored to be close it was rather obvious we're just doing double work....

r? ``@WaffleLapkin``

Buils on rust-lang/rust#144655
This commit is contained in:
Stuart Cook
2025-07-31 15:42:01 +10:00
committed by GitHub
parent 5c123c25e3 3fe0e24356
commit 45169cbf38
1 changed files with 3 additions and 5 deletions
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8
compiler/rustc_codegen_ssa/src/codegen_attrs.rs
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@@ -527,14 +527,14 @@ fn handle_lang_items(
attrs: &[Attribute],
codegen_fn_attrs: &mut CodegenFnAttrs,
) {
let lang_item = lang_items::extract(attrs).and_then(|(name, _)| LangItem::from_name(name));
// Weak lang items have the same semantics as "std internal" symbols in the
// sense that they're preserved through all our LTO passes and only
// strippable by the linker.
//
// Additionally weak lang items have predetermined symbol names.
if let Some((name, _)) = lang_items::extract(attrs)
&& let Some(lang_item) = LangItem::from_name(name)
{
if let Some(lang_item) = lang_item {
if WEAK_LANG_ITEMS.contains(&lang_item) {
codegen_fn_attrs.flags |= CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL;
}
@@ -548,8 +548,6 @@ fn handle_lang_items(
if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL)
&& codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NO_MANGLE)
{
let lang_item =
lang_items::extract(attrs).map_or(None, |(name, _span)| LangItem::from_name(name));
let mut err = tcx
.dcx()
.struct_span_err(