On 11/29/21 6:09 AM, Richard Biener via Gcc-patches wrote:
This removes more cases that appear when bootstrap with
-Wunreachable-code-return progresses.
...
diff --git a/gcc/sel-sched-ir.h b/gcc/sel-sched-ir.h
index 8ee0529d5a8..18e03c4cb96 100644
--- a/gcc/sel-sched-ir.h
+++ b/gcc/sel-sched-ir.h
@@ -1493,8 +1493,6 @@ bb_next_bb (basic_block bb)
default:
return bb->next_bb;
}
-
- gcc_unreachable ();
}
Just skiming the changes out of curiosity, this one makes me
wonder if the warning shouldn't be taught to avoid triggering
on calls to __builtin_unreachable(). They can help make code
more readable (e.g., after a case and switch statement that
handles all values).
Martin
