From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/nll/user-annotations/normalization-2.rs | 152 +++++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 tests/ui/nll/user-annotations/normalization-2.rs

(limited to 'tests/ui/nll/user-annotations/normalization-2.rs')

diff --git a/tests/ui/nll/user-annotations/normalization-2.rs b/tests/ui/nll/user-annotations/normalization-2.rs
new file mode 100644
index 000000000..be23c3b74
--- /dev/null
+++ b/tests/ui/nll/user-annotations/normalization-2.rs
@@ -0,0 +1,152 @@
+// Make sure we honor region constraints when normalizing type annotations.
+
+// check-fail
+
+#![feature(more_qualified_paths)]
+
+trait Trait {
+    type Assoc;
+}
+
+impl<T> Trait for T
+where
+    T: 'static,
+{
+    type Assoc = MyTy<()>;
+}
+
+enum MyTy<T> {
+    Unit,
+    Tuple(),
+    Struct {},
+    Dumb(T),
+}
+
+impl<T> MyTy<T> {
+    const CONST: () = ();
+    fn method<X>() {}
+    fn method2<X>(&self) {}
+}
+
+trait TraitAssoc {
+    const TRAIT_CONST: ();
+    fn trait_method<X>(&self);
+}
+impl<T> TraitAssoc for T {
+    const TRAIT_CONST: () = ();
+    fn trait_method<X>(&self) {}
+}
+
+type Ty<'a> = <&'a () as Trait>::Assoc;
+
+fn test_local<'a>() {
+    let _: Ty<'a> = MyTy::Unit;
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_closure_sig<'a, 'b>() {
+    |_: Ty<'a>| {};
+    //~^ ERROR lifetime may not live long enough
+    || -> Option<Ty<'b>> { None };
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_path<'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h>() {
+    <Ty<'a>>::method::<Ty<'static>>;
+    //~^ ERROR lifetime may not live long enough
+    <Ty<'static>>::method::<Ty<'b>>;
+    //~^ ERROR lifetime may not live long enough
+
+    <Ty<'c>>::trait_method::<Ty<'static>>;
+    //~^ ERROR lifetime may not live long enough
+    <Ty<'static>>::trait_method::<Ty<'d>>;
+    //~^ ERROR lifetime may not live long enough
+
+    <Ty<'e>>::CONST;
+    //~^ ERROR lifetime may not live long enough
+    <Ty<'f>>::TRAIT_CONST;
+    //~^ ERROR lifetime may not live long enough
+
+    <Ty<'static>>::method::<Ty<'static>>;
+    <Ty<'static>>::trait_method::<Ty<'static>>;
+    <Ty<'static>>::CONST;
+    <Ty<'static>>::TRAIT_CONST;
+
+    MyTy::Unit::<Ty<'g>>;
+    //~^ ERROR lifetime may not live long enough
+    MyTy::<Ty<'h>>::Unit;
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_call<'a, 'b, 'c>() {
+    <Ty<'a>>::method::<Ty<'static>>();
+    //~^ ERROR lifetime may not live long enough
+    <Ty<'static>>::method::<Ty<'b>>();
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_variants<'a, 'b, 'c>() {
+    <Ty<'a>>::Struct {};
+    //~^ ERROR lifetime may not live long enough
+    <Ty<'b>>::Tuple();
+    //~^ ERROR lifetime may not live long enough
+    <Ty<'c>>::Unit;
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_method_call<'a, 'b>(x: MyTy<()>) {
+    x.method2::<Ty<'a>>();
+    //~^ ERROR lifetime may not live long enough
+    x.trait_method::<Ty<'b>>();
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_struct_path<'a, 'b, 'c, 'd>() {
+    struct Struct<T> { x: Option<T>, }
+
+    trait Project {
+        type Struct;
+        type Enum;
+    }
+    impl<T> Project for T {
+        type Struct = Struct<()>;
+        type Enum = MyTy<()>;
+    }
+
+    // Resolves to enum variant
+    MyTy::<Ty<'a>>::Struct {}; // without SelfTy
+    //~^ ERROR lifetime may not live long enough
+    <Ty<'b> as Project>::Enum::Struct {}; // with SelfTy
+    //~^ ERROR lifetime may not live long enough
+
+    // Resolves to struct and associated type respectively
+    Struct::<Ty<'c>> { x: None, }; // without SelfTy
+    //~^ ERROR lifetime may not live long enough
+    <Ty<'d> as Project>::Struct { x: None, }; // with SelfTy
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn test_pattern<'a, 'b, 'c, 'd, 'e, 'f>() {
+    use MyTy::*;
+    match MyTy::Unit {
+        Struct::<Ty<'a>> {..} => {},
+        //~^ ERROR lifetime may not live long enough
+        Tuple::<Ty<'b>> (..) => {},
+        //~^ ERROR lifetime may not live long enough
+        Unit::<Ty<'c>> => {},
+        //~^ ERROR lifetime may not live long enough
+        Dumb(_) => {},
+    };
+    match MyTy::Unit {
+        <Ty<'d>>::Struct {..} => {},
+        //~^ ERROR lifetime may not live long enough
+        <Ty<'e>>::Tuple (..) => {},
+        //~^ ERROR lifetime may not live long enough
+        <Ty<'f>>::Unit => {},
+        //~^ ERROR lifetime may not live long enough
+        Dumb(_) => {},
+    };
+}
+
+
+fn main() {}
-- 
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