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global_asm! consts do not depend on other items

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This commit is contained in:
Amanieu d'Antras 2021-04-26 20:27:27 +01:00
parent bb6bec1d55
commit 40d9da4d8c
1 changed files with 4 additions and 7 deletions
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11
compiler/rustc_mir/src/monomorphize/collector.rs
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@ -397,13 +397,10 @@ fn collect_items_rec<'tcx>(
if let hir::ItemKind::GlobalAsm(asm) = item.kind {
for (op, op_sp) in asm.operands {
match op {
hir::InlineAsmOperand::Const { ref anon_const } => {
// Treat these the same way as ItemKind::Const
let anon_const_def_id =
tcx.hir().local_def_id(anon_const.hir_id).to_def_id();
if let Ok(val) = tcx.const_eval_poly(anon_const_def_id) {
collect_const_value(tcx, val, &mut neighbors);
}
hir::InlineAsmOperand::Const { .. } => {
// Only constants which resolve to a plain integer
// are supported. Therefore the value should not
// depend on any other items.
}
_ => span_bug!(*op_sp, "invalid operand type for global_asm!"),
}