rewrite and rename issue-28766

3 files changed, 28 insertions, 0 deletions

diff --git a/tests/run-make/box-struct-no-segfault/foo.rs b/tests/run-make/box-struct-no-segfault/foo.rs
new file mode 100644
index 00000000000..1dcabe42dc1
--- /dev/null
+++ b/tests/run-make/box-struct-no-segfault/foo.rs
@@ -0,0 +1,8 @@
+#![crate_type="lib"]
+pub struct Foo(());
+
+impl Foo {
+  pub fn new() -> Foo {
+    Foo(())
+  }
+}
diff --git a/tests/run-make/box-struct-no-segfault/main.rs b/tests/run-make/box-struct-no-segfault/main.rs
new file mode 100644
index 00000000000..de12b1fd9dc
--- /dev/null
+++ b/tests/run-make/box-struct-no-segfault/main.rs
@@ -0,0 +1,7 @@
+#![crate_type="lib"]
+extern crate foo;
+use foo::Foo;
+
+pub fn crash() -> Box<Foo> {
+  Box::new(Foo::new())
+}
diff --git a/tests/run-make/box-struct-no-segfault/rmake.rs b/tests/run-make/box-struct-no-segfault/rmake.rs
new file mode 100644
index 00000000000..5406f765e6c
--- /dev/null
+++ b/tests/run-make/box-struct-no-segfault/rmake.rs
@@ -0,0 +1,13 @@
+// The crate "foo" tied to this test executes a very specific function,
+// which involves boxing an instance of the struct Foo. However,
+// this once caused a segmentation fault in cargo release builds due to an LLVM
+// incorrect assertion.
+// This test checks that this bug does not resurface.
+// See https://github.com/rust-lang/rust/issues/28766
+
+use run_make_support::{rustc, tmp_dir};
+
+fn main() {
+    rustc().opt().input("foo.rs").run();
+    rustc().opt().library_search_path(tmp_dir()).input("main.rs").run();
+}