2 files changed, 20 insertions, 2 deletions
diff --git a/src/test/ui/generator/issue-69017.rs b/src/test/ui/generator/issue-69017.rs
new file mode 100644
index 00000000000..511deb60e45
--- /dev/null
+++ b/src/test/ui/generator/issue-69017.rs
@@ -0,0 +1,18 @@
+// This issue reproduces an ICE on compile
+// Fails on 2020-02-08 nightly
+// regressed commit: https://github.com/rust-lang/rust/commit/f8fd4624474a68bd26694eff3536b9f3a127b2d3
+//
+// check-pass
+
+#![feature(generator_trait)]
+#![feature(generators)]
+
+use std::ops::Generator;
+
+fn gen() -> impl Generator<usize> {
+    |_: usize| {
+        println!("-> {}", yield);
+    }
+}
+
+fn main() {}
diff --git a/src/test/ui/std-backtrace.rs b/src/test/ui/std-backtrace.rs
index d84c493d535..902a2b6f5a0 100644
--- a/src/test/ui/std-backtrace.rs
+++ b/src/test/ui/std-backtrace.rs
@@ -16,9 +16,9 @@ use std::str;
 fn main() {
     let args: Vec<String> = env::args().collect();
     if args.len() >= 2 && args[1] == "force" {
-        println!("{}", std::backtrace::Backtrace::force_capture());
+        println!("stack backtrace:\n{}", std::backtrace::Backtrace::force_capture());
     } else if args.len() >= 2 {
-        println!("{}", std::backtrace::Backtrace::capture());
+        println!("stack backtrace:\n{}", std::backtrace::Backtrace::capture());
     } else {
         runtest(&args[0]);
         println!("test ok");