2 files changed, 40 insertions, 0 deletions
diff --git a/tests/ui/cmse-nonsecure/cmse-nonsecure-call/undeclared-lifetime.rs b/tests/ui/cmse-nonsecure/cmse-nonsecure-call/undeclared-lifetime.rs
new file mode 100644
index 00000000000..0a0dca804ef
--- /dev/null
+++ b/tests/ui/cmse-nonsecure/cmse-nonsecure-call/undeclared-lifetime.rs
@@ -0,0 +1,21 @@
+//@ add-core-stubs
+//@ compile-flags: --target thumbv8m.main-none-eabi --crate-type lib
+//@ incremental (required to trigger the bug)
+//@ needs-llvm-components: arm
+#![feature(abi_cmse_nonsecure_call, no_core)]
+#![no_core]
+
+extern crate minicore;
+use minicore::*;
+
+// A regression test for https://github.com/rust-lang/rust/issues/131639.
+// NOTE: `-Cincremental` was required for triggering the bug.
+
+fn foo() {
+    id::<extern "cmse-nonsecure-call" fn(&'a ())>(PhantomData);
+    //~^ ERROR use of undeclared lifetime name `'a`
+}
+
+fn id<T>(x: PhantomData<T>) -> PhantomData<T> {
+    x
+}
diff --git a/tests/ui/cmse-nonsecure/cmse-nonsecure-call/undeclared-lifetime.stderr b/tests/ui/cmse-nonsecure/cmse-nonsecure-call/undeclared-lifetime.stderr
new file mode 100644
index 00000000000..7300bdb72cd
--- /dev/null
+++ b/tests/ui/cmse-nonsecure/cmse-nonsecure-call/undeclared-lifetime.stderr
@@ -0,0 +1,19 @@
+error[E0261]: use of undeclared lifetime name `'a`
+  --> $DIR/undeclared-lifetime.rs:15:43
+   |
+LL |     id::<extern "cmse-nonsecure-call" fn(&'a ())>(PhantomData);
+   |                                           ^^ undeclared lifetime
+   |
+   = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
+help: consider making the type lifetime-generic with a new `'a` lifetime
+   |
+LL |     id::<for<'a> extern "cmse-nonsecure-call" fn(&'a ())>(PhantomData);
+   |          +++++++
+help: consider introducing lifetime `'a` here
+   |
+LL | fn foo<'a>() {
+   |       ++++
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0261`.