bjoernager/rust
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validate derefer, run derefer inside generator

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This commit is contained in:
ouz-a 2022-05-12 00:27:06 +03:00
parent abc7681a76
commit e71913e847
39 changed files with 300 additions and 60 deletions
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11
compiler/rustc_const_eval/src/transform/validate.rs
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@ -4,6 +4,7 @@ use rustc_data_structures::fx::FxHashSet;
use rustc_index::bit_set::BitSet;
use rustc_infer::infer::TyCtxtInferExt;
use rustc_middle::mir::interpret::Scalar;
use rustc_middle::mir::visit::NonUseContext::VarDebugInfo;
use rustc_middle::mir::visit::{PlaceContext, Visitor};
use rustc_middle::mir::{
traversal, AggregateKind, BasicBlock, BinOp, Body, BorrowKind, Local, Location, MirPass,
@ -302,9 +303,17 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
self.super_projection_elem(local, proj_base, elem, context, location);
}
fn visit_place(&mut self, place: &Place<'tcx>, _: PlaceContext, _: Location) {
fn visit_place(&mut self, place: &Place<'tcx>, cntxt: PlaceContext, location: Location) {
// Set off any `bug!`s in the type computation code
let _ = place.ty(&self.body.local_decls, self.tcx);
if self.mir_phase >= MirPhase::Derefered
&& place.projection.len() > 1
&& cntxt != PlaceContext::NonUse(VarDebugInfo)
&& place.projection[1..].contains(&ProjectionElem::Deref)
{
self.fail(location, format!("{:?}, has deref at the wrong place", place));
}
}
fn visit_rvalue(&mut self, rvalue: &Rvalue<'tcx>, location: Location) {