patch to fix PR56184

[Jeff Law]

On 02/13/13 10:44, Vladimir Makarov wrote:
> The following patch fixes
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56184
>
> The problem was in that reg equiv was not corrected for a split pseudo
> because of incorrect code for recognition of situation when a split
> pseudo was created.
>
> The patch was successfully bootstrapped and tested on x86/x86-64.
>
> Committed as rev. 196019.
>
> 2013-02-13  Vladimir Makarov  <vmakarov@redhat.com>
>
>          PR target/56184
>          * ira.c (max_regno_before_ira): Move from ...
>          (ira): ... here.
>          (fix_reg_equiv_init): Use max_regno_before_ira instead of
>          vec_safe_length.
>
> 2013-02-13  Vladimir Makarov  <vmakarov@redhat.com>
>
>          PR target/56184
>          * gcc.target/arm/pr56184.C: New test.
Don't forget to change the state of the PR.

Thanks,
Jeff