diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/codegen_attrs.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/codegen_attrs.rs | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index 5d7257b15c4..15955170e87 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -324,21 +324,22 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { let linkage = Some(linkage_by_name(tcx, did, val.as_str())); if tcx.is_foreign_item(did) { codegen_fn_attrs.import_linkage = linkage; + + if tcx.is_mutable_static(did.into()) { + let mut diag = tcx.dcx().struct_span_err( + attr.span, + "extern mutable statics are not allowed with `#[linkage]`", + ); + diag.note( + "marking the extern static mutable would allow changing which symbol \ + the static references rather than make the target of the symbol \ + mutable", + ); + diag.emit(); + } } else { codegen_fn_attrs.linkage = linkage; } - if tcx.is_mutable_static(did.into()) { - let mut diag = tcx.dcx().struct_span_err( - attr.span, - "mutable statics are not allowed with `#[linkage]`", - ); - diag.note( - "making the static mutable would allow changing which symbol the \ - static references rather than make the target of the symbol \ - mutable", - ); - diag.emit(); - } } } sym::link_section => { |