[Bug target/55036] Compiler fails with message "internal compiler error: in reg_save_code, at caller-save.c:158"

[segher at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55036

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-05-10
                 CC|                            |segher at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Yes, it's a bug.

The various places in caller-save.c that test cached_reg_save_code[...] != 0
should be testing it >= 0.  Same for cached_reg_restore_code[...].