From cfa54cabbdaca48d7623cd5fd5aada59b5e02040 Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Fri, 5 Oct 2018 14:11:37 -0400
Subject: [PATCH] Always die on panic.

---
 src/main.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index bec97ea605..f6c85ef831 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -54,6 +54,18 @@ impl log::Log for Logger {
 }
 
 fn main() {
+  // Rust does not die on panic by default. And -Cpanic=abort is broken.
+  // https://github.com/rust-lang/cargo/issues/2738
+  // Therefore this hack.
+  std::panic::set_hook(Box::new(|panic_info| {
+    if let Some(location) = panic_info.location() {
+      println!("PANIC file '{}' line {}", location.file(), location.line());
+    } else {
+      println!("PANIC occurred but can't get location information...");
+    }
+    std::process::abort();
+  }));
+
   log::set_logger(&LOGGER).unwrap();
   let args = env::args().collect();
   let mut isolate = isolate::Isolate::new(args, ops::dispatch);