FIN: disable backtrace printing for panic-runtime/abort* on ARM

Author: TimNN

src/test/run-pass/panic-runtime/abort-link-to-unwinding-crates.rs

@@ -27,7 +27,17 @@ fn main() {
             exit_success_if_unwind::bar(do_panic);
         }
     }
-    let s = Command::new(env::args_os().next().unwrap()).arg("foo").status();
+
+    let mut cmd = Command::new(env::args_os().next().unwrap());
+    cmd.arg("foo");
+
+
+    // ARMv6 hanges while printing the backtrace, see #41004
+    if cfg!(target_arch = "arm") && cfg!(target_env = "gnu") {
+        cmd.env("RUST_BACKTRACE", "0");
+    }
+
+    let s = cmd.status();
     assert!(s.unwrap().code() != Some(0));
 }
 

src/test/run-pass/panic-runtime/abort.rs

@@ -35,6 +35,15 @@ fn main() {
             panic!("try to catch me");
         }
     }
-    let s = Command::new(env::args_os().next().unwrap()).arg("foo").status();
+
+    let mut cmd = Command::new(env::args_os().next().unwrap());
+    cmd.arg("foo");
+
+    // ARMv6 hanges while printing the backtrace, see #41004
+    if cfg!(target_arch = "arm") && cfg!(target_env = "gnu") {
+        cmd.env("RUST_BACKTRACE", "0");
+    }
+
+    let s = cmd.status();
     assert!(s.unwrap().code() != Some(0));
 }