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Permit asm_const and asm_sym to reference outer generic params

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This commit is contained in:
Gary Guo
2022-05-07 02:57:42 +01:00
parent d93b03793d
commit b1c6c0648e
6 changed files with 60 additions and 47 deletions
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23
compiler/rustc_resolve/src/late.rs
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@@ -918,6 +918,29 @@ impl<'a: 'ast, 'ast> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast> {
self.diagnostic_metadata.current_where_predicate = previous_value;
}
fn visit_inline_asm(&mut self, asm: &'ast InlineAsm) {
for (op, _) in &asm.operands {
match op {
InlineAsmOperand::In { expr, .. }
| InlineAsmOperand::Out { expr: Some(expr), .. }
| InlineAsmOperand::InOut { expr, .. } => self.visit_expr(expr),
InlineAsmOperand::Out { expr: None, .. } => {}
InlineAsmOperand::SplitInOut { in_expr, out_expr, .. } => {
self.visit_expr(in_expr);
if let Some(out_expr) = out_expr {
self.visit_expr(out_expr);
}
}
InlineAsmOperand::Const { anon_const, .. } => {
// Although this is `DefKind::AnonConst`, it is allowed to reference outer
// generic parameters like an inline const.
self.resolve_inline_const(anon_const);
}
InlineAsmOperand::Sym { sym } => self.visit_inline_asm_sym(sym),
}
}
}
fn visit_inline_asm_sym(&mut self, sym: &'ast InlineAsmSym) {
// This is similar to the code for AnonConst.
self.with_rib(ValueNS, InlineAsmSymRibKind, |this| {