Merging upstream version 1.75.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/coverage/issue-93054.rs b/tests/coverage/issue-93054.rs
new file mode 100644
index 000000000..da546cfee
--- /dev/null
+++ b/tests/coverage/issue-93054.rs
@@ -0,0 +1,30 @@
+#![allow(dead_code, unreachable_code)]
+
+// Regression test for #93054: Functions using uninhabited types often only have a single,
+// unreachable basic block which doesn't get instrumented. This should not cause llvm-cov to fail.
+// Since these kinds functions can't be invoked anyway, it's ok to not have coverage data for them.
+
+// compile-flags: --edition=2021
+
+enum Never {}
+
+impl Never {
+    fn foo(self) {
+        match self {}
+        make().map(|never| match never {});
+    }
+
+    fn bar(&self) {
+        match *self {}
+    }
+}
+
+async fn foo2(never: Never) {
+    match never {}
+}
+
+fn make() -> Option<Never> {
+    None
+}
+
+fn main() {}