[Bug target/82092] gcc fails to link genmodes on darwin (cfiStartsArray[i] != cfiStartsArray[i-1])

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82092

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |iains at gcc dot gnu.org

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
On darwin10, starting at revision r249105, bootstrap fails with

Undefined symbols:
  "CIE.eh", referenced from:
      CIE in _negvdi2_s.o

unless I use

--- ../_clean/gcc/config/darwin.c       2017-09-18 15:49:48.000000000 +0200
+++ gcc/config/darwin.c 2017-09-23 21:00:41.000000000 +0200
@@ -3201,6 +3201,10 @@ darwin_override_options (void)
       flag_reorder_blocks = 1;
     }

+    // FIXME ; Jam this off until we figure out what codegen issues are caused
+    flag_reorder_blocks_and_partition = 0;
+    flag_reorder_blocks = 1;
+
     /* FIXME: flag_objc_sjlj_exceptions is no longer needed since there is
only
        one valid choice of exception scheme for each runtime.  */
     if (!global_options_set.x_flag_objc_sjlj_exceptions)

Could you please test this patch?