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liveness checking, yeet TypingEnv::from_param_env

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lcnr 2024-11-19 16:54:04 +01:00
parent 1ec964873e
commit decf37bd16
1 changed files with 5 additions and 4 deletions
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9
compiler/rustc_passes/src/liveness.rs
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@ -468,7 +468,7 @@ const ACC_USE: u32 = 4;
struct Liveness<'a, 'tcx> { struct Liveness<'a, 'tcx> {
ir: &'a mut IrMaps<'tcx>, ir: &'a mut IrMaps<'tcx>,
typeck_results: &'a ty::TypeckResults<'tcx>, typeck_results: &'a ty::TypeckResults<'tcx>,
param_env: ty::ParamEnv<'tcx>, typing_env: ty::TypingEnv<'tcx>,
closure_min_captures: Option<&'tcx RootVariableMinCaptureList<'tcx>>, closure_min_captures: Option<&'tcx RootVariableMinCaptureList<'tcx>>,
successors: IndexVec<LiveNode, Option<LiveNode>>, successors: IndexVec<LiveNode, Option<LiveNode>>,
rwu_table: rwu_table::RWUTable, rwu_table: rwu_table::RWUTable,
@ -491,7 +491,8 @@ struct Liveness<'a, 'tcx> {
impl<'a, 'tcx> Liveness<'a, 'tcx> { impl<'a, 'tcx> Liveness<'a, 'tcx> {
fn new(ir: &'a mut IrMaps<'tcx>, body_owner: LocalDefId) -> Liveness<'a, 'tcx> { fn new(ir: &'a mut IrMaps<'tcx>, body_owner: LocalDefId) -> Liveness<'a, 'tcx> {
let typeck_results = ir.tcx.typeck(body_owner); let typeck_results = ir.tcx.typeck(body_owner);
let param_env = ir.tcx.param_env(body_owner); // FIXME(#132279): we're in a body here.
let typing_env = ty::TypingEnv::non_body_analysis(ir.tcx, body_owner);
let closure_min_captures = typeck_results.closure_min_captures.get(&body_owner); let closure_min_captures = typeck_results.closure_min_captures.get(&body_owner);
let closure_ln = ir.add_live_node(ClosureNode); let closure_ln = ir.add_live_node(ClosureNode);
let exit_ln = ir.add_live_node(ExitNode); let exit_ln = ir.add_live_node(ExitNode);
@ -502,7 +503,7 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
Liveness { Liveness {
ir, ir,
typeck_results, typeck_results,
param_env, typing_env,
closure_min_captures, closure_min_captures,
successors: IndexVec::from_elem_n(None, num_live_nodes), successors: IndexVec::from_elem_n(None, num_live_nodes),
rwu_table: rwu_table::RWUTable::new(num_live_nodes, num_vars), rwu_table: rwu_table::RWUTable::new(num_live_nodes, num_vars),
@ -1297,7 +1298,7 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
fn check_is_ty_uninhabited(&mut self, expr: &Expr<'_>, succ: LiveNode) -> LiveNode { fn check_is_ty_uninhabited(&mut self, expr: &Expr<'_>, succ: LiveNode) -> LiveNode {
let ty = self.typeck_results.expr_ty(expr); let ty = self.typeck_results.expr_ty(expr);
let m = self.ir.tcx.parent_module(expr.hir_id).to_def_id(); let m = self.ir.tcx.parent_module(expr.hir_id).to_def_id();
if ty.is_inhabited_from(self.ir.tcx, m, ty::TypingEnv::from_param_env(self.param_env)) { if ty.is_inhabited_from(self.ir.tcx, m, self.typing_env) {
return succ; return succ;
} }
match self.ir.lnks[succ] { match self.ir.lnks[succ] {