rtprintpanic: clarify that the error is aborting the process

Author: ShE3py

library/std/src/rt.rs

@@ -46,7 +46,7 @@ macro_rules! rtprintpanic {
 macro_rules! rtabort {
     ($($t:tt)*) => {
         {
-            rtprintpanic!("fatal runtime error: {}\n", format_args!($($t)*));
+            rtprintpanic!("fatal runtime error: {}, aborting\n", format_args!($($t)*));
             crate::sys::abort_internal();
         }
     }

tests/ui/runtime/rt-explody-panic-payloads.rs

@@ -27,6 +27,6 @@ fn main() {
             // by QEMU in the stderr whenever a core dump happens. Remove it before the check.
             v.strip_suffix("qemu: uncaught target signal 6 (Aborted) - core dumped\n").unwrap_or(v)
         })
-        .map(|v| { v.ends_with("fatal runtime error: drop of the panic payload panicked\n") })
+        .map(|v| v.ends_with("fatal runtime error: drop of the panic payload panicked, aborting\n"))
         .unwrap_or(false));
 }