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Rollup merge of #100709 - JhonnyBillM:port-expected-used-symbol-diagnostic, r=compiler-errors

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Migrate typeck's `used` expected symbol diagnostic to `SessionDiagnostic`

r? ``@davidtwco``
This commit is contained in:
Matthias Krüger 2022-08-20 07:09:02 +02:00 • committed by GitHub
commit 67f77f5a55
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3 changed files with 10 additions and 6 deletions
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7
compiler/rustc_typeck/src/collect.rs
View file

@ -2836,12 +2836,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: DefId) -> CodegenFnAttrs {
codegen_fn_attrs.flags |= CodegenFnAttrFlags::USED;
}
Some(_) => {
tcx.sess
.struct_span_err(
attr.span,
"expected `used`, `used(compiler)` or `used(linker)`",
)
.emit();
tcx.sess.emit_err(errors::ExpectedUsedSymbol { span: attr.span });
}
None => {
// Unfortunately, unconditionally using `llvm.used` causes

7
compiler/rustc_typeck/src/errors.rs
View file

@ -340,3 +340,10 @@ pub struct ExternCrateNotIdiomatic {
pub msg_code: String,
pub suggestion_code: String,
}
#[derive(SessionDiagnostic)]
#[error(typeck::expected_used_symbol)]
pub struct ExpectedUsedSymbol {
#[primary_span]
pub span: Span,
}