2 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/wf/issue-95665.rs b/src/test/ui/wf/issue-95665.rs
new file mode 100644
index 00000000000..67923cbb2d6
--- /dev/null
+++ b/src/test/ui/wf/issue-95665.rs
@@ -0,0 +1,18 @@
+// Regression test for the ICE described in #95665.
+// Ensure that the expected error is output (and thus that there is no ICE)
+
+pub trait Trait: {}
+
+pub struct Struct<T: Trait> {
+    member: T,
+}
+
+// uncomment and bug goes away
+// impl Trait for u8 {}
+
+extern "C" {
+    static VAR: Struct<u8>;
+                //~^ 14:17: 14:27: the trait bound `u8: Trait` is not satisfied [E0277]
+}
+
+fn main() {}
diff --git a/src/test/ui/wf/issue-95665.stderr b/src/test/ui/wf/issue-95665.stderr
new file mode 100644
index 00000000000..b1cda59a916
--- /dev/null
+++ b/src/test/ui/wf/issue-95665.stderr
@@ -0,0 +1,15 @@
+error[E0277]: the trait bound `u8: Trait` is not satisfied
+  --> $DIR/issue-95665.rs:14:17
+   |
+LL |     static VAR: Struct<u8>;
+   |                 ^^^^^^^^^^ the trait `Trait` is not implemented for `u8`
+   |
+note: required by a bound in `Struct`
+  --> $DIR/issue-95665.rs:6:22
+   |
+LL | pub struct Struct<T: Trait> {
+   |                      ^^^^^ required by this bound in `Struct`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.