From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:58 +0200
Subject: Adding upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../post_monomorphization_error_backtrace.rs       | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 tests/ui/generics/post_monomorphization_error_backtrace.rs

(limited to 'tests/ui/generics/post_monomorphization_error_backtrace.rs')

diff --git a/tests/ui/generics/post_monomorphization_error_backtrace.rs b/tests/ui/generics/post_monomorphization_error_backtrace.rs
new file mode 100644
index 000000000..1fd9b6b3b
--- /dev/null
+++ b/tests/ui/generics/post_monomorphization_error_backtrace.rs
@@ -0,0 +1,33 @@
+// build-fail
+
+fn assert_zst<T>() {
+    struct F<T>(T);
+    impl<T> F<T> {
+        const V: () = assert!(std::mem::size_of::<T>() == 0);
+        //~^ ERROR: evaluation of `assert_zst::F::<u32>::V` failed [E0080]
+        //~| NOTE: in this expansion of assert!
+        //~| NOTE: the evaluated program panicked
+        //~| ERROR: evaluation of `assert_zst::F::<i32>::V` failed [E0080]
+        //~| NOTE: in this expansion of assert!
+        //~| NOTE: the evaluated program panicked
+    }
+    let _ = F::<T>::V;
+}
+
+fn foo<U>() {
+    assert_zst::<U>()
+    //~^ NOTE: the above error was encountered while instantiating `fn assert_zst::<u32>`
+    //~| NOTE: the above error was encountered while instantiating `fn assert_zst::<i32>`
+}
+
+
+fn bar<V>() {
+    foo::<V>()
+}
+
+fn main() {
+    bar::<()>();
+    bar::<u32>();
+    bar::<u32>();
+    bar::<i32>();
+}
-- 
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