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authorStuart Cook <Zalathar@users.noreply.github.com>2025-09-25 20:31:53 +1000
committerGitHub <noreply@github.com>2025-09-25 20:31:53 +1000
commitfab06469ee33664739620ede53ed18b8c3c40644 (patch)
tree5f85a5e611ced8d3b35ad3498d8359e2e2df44c5 /compiler/rustc_passes/src
parent0a34928ad840f9d66d673a8cb6cf293e83efb987 (diff)
parent60548ffaa3dafec019e52f39ab7a075d3f11e24e (diff)
Rollup merge of #146667 - calebzulawski:simd-mono-lane-limit, r=lcnr,RalfJung
Add an attribute to check the number of lanes in a SIMD vector after monomorphization

Allows std::simd to drop the `LaneCount<N>: SupportedLaneCount` trait and maintain good error messages.

Also, extends rust-lang/rust#145967 by including spans in layout errors for all ADTs.

r? ``@RalfJung``

cc ``@workingjubilee`` ``@programmerjake``
Diffstat (limited to 'compiler/rustc_passes/src')
-rw-r--r--compiler/rustc_passes/src/check_attr.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs
index 94c9e71ce77..aef123c3721 100644
--- a/compiler/rustc_passes/src/check_attr.rs
+++ b/compiler/rustc_passes/src/check_attr.rs
@@ -256,6 +256,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
                     | AttributeKind::MacroEscape( .. )
                     | AttributeKind::RustcLayoutScalarValidRangeStart(..)
                     | AttributeKind::RustcLayoutScalarValidRangeEnd(..)
+                    | AttributeKind::RustcSimdMonomorphizeLaneLimit(..)
                     | AttributeKind::ExportStable
                     | AttributeKind::FfiConst(..)
                     | AttributeKind::UnstableFeatureBound(..)