[Bug middle-end/110510] ggc infinite recursion

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110510

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
It does not look like an infinite recursion but rather the chain of
eh_landing_pad_d is not mentioned to the GC so it does not do an inline-tail
call. 

This might fix the issue:
diff --git a/gcc/except.h b/gcc/except.h
index 378a9e4cb77..087d0004c6d 100644
--- a/gcc/except.h
+++ b/gcc/except.h
@@ -66,7 +66,7 @@ enum eh_region_type
 /* A landing pad for a given exception region.  Any transfer of control
    from the EH runtime to the function happens at a landing pad.  */

-struct GTY(()) eh_landing_pad_d
+struct GTY((chain_next(%h.next_lp))) eh_landing_pad_d
 {
   /* The linked list of all landing pads associated with the region.  */
   struct eh_landing_pad_d *next_lp;