diff options
Diffstat (limited to 'compiler/rustc_passes/src/liveness.rs')
-rw-r--r-- | compiler/rustc_passes/src/liveness.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs index 63b1578d4..803ca05b2 100644 --- a/compiler/rustc_passes/src/liveness.rs +++ b/compiler/rustc_passes/src/liveness.rs @@ -463,6 +463,7 @@ impl<'tcx> Visitor<'tcx> for IrMaps<'tcx> { | hir::ExprKind::Lit(_) | hir::ExprKind::ConstBlock(..) | hir::ExprKind::Ret(..) + | hir::ExprKind::Become(..) | hir::ExprKind::Block(..) | hir::ExprKind::Assign(..) | hir::ExprKind::AssignOp(..) @@ -967,6 +968,11 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> { self.propagate_through_opt_expr(o_e.as_deref(), self.exit_ln) } + hir::ExprKind::Become(ref e) => { + // Ignore succ and subst exit_ln. + self.propagate_through_expr(e, self.exit_ln) + } + hir::ExprKind::Break(label, ref opt_expr) => { // Find which label this break jumps to let target = match label.target_id { @@ -1408,6 +1414,7 @@ fn check_expr<'tcx>(this: &mut Liveness<'_, 'tcx>, expr: &'tcx Expr<'tcx>) { | hir::ExprKind::DropTemps(..) | hir::ExprKind::Unary(..) | hir::ExprKind::Ret(..) + | hir::ExprKind::Become(..) | hir::ExprKind::Break(..) | hir::ExprKind::Continue(..) | hir::ExprKind::Lit(_) |