bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Rollup merge of #87427 - RalfJung:no-mir-for, r=oli-obk

Browse source 
get rid of NoMirFor error variant

The only place where we throw that error, it is very quickly caught again and turned into a different error. So raise that other error immediately.
This commit is contained in:
Yuki Okushi 2021-07-27 19:52:46 +09:00 • committed by GitHub
commit d25439481c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 4 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

19
compiler/rustc_mir/src/const_eval/machine.rs
View file

@ -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(