Add second MIR bug (69039).

perses-docker/dataset/rust-69039.rs

@@ -0,0 +1,36 @@
+#![feature(generators, generator_trait)]
+
+use std::{
+    io,
+    ops::{Generator, GeneratorState},
+};
+
+fn my_scenario() -> impl Generator<String, Yield = &'static str, Return = String> {
+    |_arg: String| {
+        let my_name = yield "What is your name?";
+        let my_mood = yield "How are you feeling?";
+        format!("{} is {}", my_name.trim(), my_mood.trim())
+    }
+}
+
+fn main() {
+    let mut my_session = Box::pin(my_scenario());
+
+    loop {
+        let mut line = String::new();
+
+        match my_session.as_mut().resume(line) {
+            GeneratorState::Yielded(prompt) => {
+                println!("{}", prompt);
+            }
+            GeneratorState::Complete(v) => {
+                println!("{}", v);
+                break;
+            }
+        }
+
+        line = String::new();
+        io::stdin().read_line(&mut line).unwrap();
+    }
+}
+

perses-docker/dataset/rust-69039.setup.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+exit 0

perses-docker/dataset/rust-69039.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+set -o nounset
+
+readonly FILE="${INPUT}"
+
+readonly BUGGY_RUSTC_VERSION="nightly-2020-02-10"
+readonly CORRECT_RUSTC_VERSION="nightly-2020-11-05"
+rustup toolchain install "${BUGGY_RUSTC_VERSION}" --force
+rustup toolchain install "${CORRECT_RUSTC_VERSION}" --force
+
+readonly EXE_WRONG="./wrong.out"
+if ! timeout -s 9 60 rustup run "${BUGGY_RUSTC_VERSION}" rustc -o "${EXE_WRONG}" "${FILE}"; then
+  exit 1
+fi
+
+readonly EXE_CORRECT="./correct.out"
+if ! timeout -s 9 60 rustup run "${CORRECT_RUSTC_VERSION}" rustc -o "${EXE_CORRECT}" "${FILE}" ; then
+  exit 1
+fi
+
+readonly EXE_CORRECT_2="./correct_2.out"
+if ! timeout -s 9 60 rustup run "${CORRECT_RUSTC_VERSION}" rustc -Z mir-opt-level=2 -o "${EXE_CORRECT_2}" "${FILE}" ; then
+  exit 1
+fi
+
+readonly OUTPUT_WRONG="wrong_output.txt"
+
+if (echo -e "a\nb" | timeout -s 9 30 "${EXE_WRONG}") &> "${OUTPUT_WRONG}" ; then
+  exit 1
+fi
+
+if ! grep "Segmentation fault" "${OUTPUT_WRONG}" ; then
+  exit 1
+fi
+
+readonly OUTPUT_CORRECT_1="correct_output.txt"
+readonly OUTPUT_CORRECT_2="correct_output_2.txt"
+if ! timeout -s 9 30 echo -e "a\nb" | "${EXE_CORRECT}" &> "${OUTPUT_CORRECT_1}" ; then
+  exit 1
+fi
+
+if ! timeout -s 9 30 echo -e "a\nb" | "${EXE_CORRECT_2}" &> "${OUTPUT_CORRECT_2}" ; then
+  exit 1
+fi
+
+if ! diff "${OUTPUT_CORRECT_1}" "${OUTPUT_CORRECT_2}" ; then
+  exit 1
+fi
+
+exit 0
+