bjoernager/rust
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get rid of NoMirFor error variant

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This commit is contained in:
Ralf Jung 2021-07-24 14:08:04 +02:00
parent 1c66d11a34
commit 3b9f8116a2
2 changed files with 4 additions and 18 deletions
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19
compiler/rustc_mir/src/const_eval/machine.rs
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@ -212,7 +212,9 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir,
if ecx.tcx.is_ctfe_mir_available(def.did) {
Ok(ecx.tcx.mir_for_ctfe_opt_const_arg(def))
} else {
throw_unsup!(NoMirFor(def.did))
let path = ecx.tcx.def_path_str(def.did);
Err(ConstEvalErrKind::NeedsRfc(format!("calling extern function `{}`", path))
.into())
}
}
_ => Ok(ecx.tcx.instance_mir(instance)),
@ -247,20 +249,7 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir,
}
}
// This is a const fn. Call it.
Ok(Some(match ecx.load_mir(instance.def, None) {
Ok(body) => body,
Err(err) => {
if let err_unsup!(NoMirFor(did)) = err.kind() {
let path = ecx.tcx.def_path_str(*did);
return Err(ConstEvalErrKind::NeedsRfc(format!(
"calling extern function `{}`",
path
))
.into());
}
return Err(err);
}
}))
Ok(Some(ecx.load_mir(instance.def, None)?))
}
fn call_intrinsic(