bjoernager/rust
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wip emit errors during AbstractConst building

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This commit is contained in:
Bastian Kauschke 2020-09-19 22:17:52 +02:00
parent 59fb88d061
commit d4039c55c9
5 changed files with 125 additions and 80 deletions
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5
compiler/rustc_metadata/src/rmeta/decoder.rs
View file

@ -11,6 +11,7 @@ use rustc_data_structures::fingerprint::{Fingerprint, FingerprintDecoder};
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::svh::Svh;
use rustc_data_structures::sync::{AtomicCell, Lock, LockGuard, Lrc, OnceCell};
use rustc_errors::ErrorReported;
use rustc_expand::base::{SyntaxExtension, SyntaxExtensionKind};
use rustc_expand::proc_macro::{AttrProcMacro, BangProcMacro, ProcMacroDerive};
use rustc_hir as hir;
@ -1201,13 +1202,13 @@ impl<'a, 'tcx> CrateMetadataRef<'a> {
&self,
tcx: TyCtxt<'tcx>,
id: DefIndex,
) -> Option<&'tcx [mir::abstract_const::Node<'tcx>]> {
) -> Result<Option<&'tcx [mir::abstract_const::Node<'tcx>]>, ErrorReported> {
self.root
.tables
.mir_abstract_consts
.get(self, id)
.filter(|_| !self.is_proc_macro(id))
.map_or(None, |v| Some(v.decode((self, tcx))))
.map_or(Ok(None), |v| Ok(Some(v.decode((self, tcx)))))
}
fn get_unused_generic_params(&self, id: DefIndex) -> FiniteBitSet<u32> {

2
compiler/rustc_metadata/src/rmeta/encoder.rs
View file

@ -1117,7 +1117,7 @@ impl EncodeContext<'a, 'tcx> {
}
let abstract_const = self.tcx.mir_abstract_const(def_id);
if let Some(abstract_const) = abstract_const {
if let Ok(Some(abstract_const)) = abstract_const {
record!(self.tables.mir_abstract_consts[def_id.to_def_id()] <- abstract_const);
}
}