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Use ParamEnv consistently

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This commit is contained in:
Jannis Christopher Köhl 2022-10-23 15:31:46 +02:00
parent de69d088a4
commit efc7ca8c7d
1 changed files with 8 additions and 9 deletions
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17
compiler/rustc_mir_transform/src/dataflow_const_prop.rs
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@ -217,11 +217,12 @@ impl<'tcx> std::fmt::Debug for ScalarTy<'tcx> {
impl<'tcx> ConstAnalysis<'tcx> {
pub fn new(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, map: Map) -> Self {
let param_env = tcx.param_env(body.source.def_id());
Self {
map,
tcx,
ecx: InterpCx::new(tcx, DUMMY_SP, ty::ParamEnv::empty(), DummyMachine),
param_env: tcx.param_env(body.source.def_id()),
ecx: InterpCx::new(tcx, DUMMY_SP, param_env, DummyMachine),
param_env: param_env,
}
}
@ -260,13 +261,11 @@ impl<'tcx> ConstAnalysis<'tcx> {
};
match value {
FlatSet::Top => FlatSet::Top,
FlatSet::Elem(ScalarTy(scalar, ty)) => {
let layout = self
.tcx
.layout_of(ty::ParamEnv::empty().and(ty))
.expect("this should not happen"); // FIXME
FlatSet::Elem(ImmTy::from_scalar(scalar, layout))
}
FlatSet::Elem(ScalarTy(scalar, ty)) => self
.tcx
.layout_of(self.param_env.and(ty))
.map(|layout| FlatSet::Elem(ImmTy::from_scalar(scalar, layout)))
.unwrap_or(FlatSet::Top),
FlatSet::Bottom => FlatSet::Bottom,
}
}