[PATCH]: Fix PR26734: GCC cannot bootstrap on IA64 HP-UX (repost).

[Maxim Kuvyrkov]

Hi!

GCC fails to bootstrap at ia64-hpux due to wrong computation of the size 
of DEPS_LIST rtx.  Before my patch any rtx could contain either rtunion 
or HOST_WIDE_INT, but not both.  DEPS_LIST is defined to hold two 
rtunions and one HOST_WIDE_INT. As it wasn't mentioned among special 
cases of rtx_code_size its size calculated assuming all its fields are 
rtunions.

This problem can be fixed by changing the type of the second operand of 
DEPS_LIST rtx to 'int'.

SPECCPU 2000 results don't change with this patch applied.

Bootstrapped and regtested on ia64-unknown-linux, ia64-hp-hpux11.23 and 
i686-unknown-linux.

Ok for trunk?

-- 
Maxim
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