From 744fa610eb6bd476b875dd2d6f8be5b7b9f1b77c Mon Sep 17 00:00:00 2001
From: Zhixing Zhang <account@neoto.xin>
Date: Mon, 31 Oct 2022 17:01:00 -0700
Subject: fix(generic_const_exprs): Fix predicate inheritance for children of
 opaque types

---
 .../generic_const_exprs/issue-99705.rs             | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/test/ui/const-generics/generic_const_exprs/issue-99705.rs

(limited to 'src/test/ui/const-generics')

diff --git a/src/test/ui/const-generics/generic_const_exprs/issue-99705.rs b/src/test/ui/const-generics/generic_const_exprs/issue-99705.rs
new file mode 100644
index 00000000000..75b57b621bb
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/issue-99705.rs
@@ -0,0 +1,33 @@
+// check-pass
+#![crate_type = "lib"]
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+pub trait MyIterator {
+    type Output;
+}
+
+pub trait Foo {
+    const ABC: usize;
+}
+
+pub struct IteratorStruct<const N: usize>{
+
+}
+
+pub struct Bar<const N: usize> {
+    pub data: [usize; N]
+}
+
+impl<const N: usize> MyIterator for IteratorStruct<N> {
+    type Output = Bar<N>;
+}
+
+pub fn test1<T: Foo>() -> impl MyIterator<Output = Bar<{T::ABC}>> where [(); T::ABC]: Sized {
+    IteratorStruct::<{T::ABC}>{}
+}
+
+pub trait Baz<const N: usize>{}
+impl<const N: usize> Baz<N> for Bar<N> {}
+pub fn test2<T: Foo>() -> impl MyIterator<Output = impl Baz<{ T::ABC }>> where [(); T::ABC]: Sized {
+    IteratorStruct::<{T::ABC}>{}
+}
-- 
cgit 1.4.1-3-g733a5