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-rw-r--r--compiler/rustc_middle/src/ty/walk.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/ty/walk.rs b/compiler/rustc_middle/src/ty/walk.rs
index 91db9698c..4fab5abe9 100644
--- a/compiler/rustc_middle/src/ty/walk.rs
+++ b/compiler/rustc_middle/src/ty/walk.rs
@@ -214,6 +214,24 @@ fn push_inner<'tcx>(stack: &mut TypeWalkerStack<'tcx>, parent: GenericArg<'tcx>)
| ty::ConstKind::Value(_)
| ty::ConstKind::Error(_) => {}
+ ty::ConstKind::Expr(expr) => match expr {
+ ty::Expr::UnOp(_, v) => push_inner(stack, v.into()),
+ ty::Expr::Binop(_, l, r) => {
+ push_inner(stack, r.into());
+ push_inner(stack, l.into())
+ }
+ ty::Expr::FunctionCall(func, args) => {
+ for a in args.iter().rev() {
+ push_inner(stack, a.into());
+ }
+ push_inner(stack, func.into());
+ }
+ ty::Expr::Cast(_, c, t) => {
+ push_inner(stack, t.into());
+ push_inner(stack, c.into());
+ }
+ },
+
ty::ConstKind::Unevaluated(ct) => {
stack.extend(ct.substs.iter().rev());
}