gcc-plugins: Reorganize gimple includes for GCC 13

stable inclusion
from stable-v5.10.184
commit 02ce3cf222913143a6a44c2e1901e69b80885f09
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8IRR2

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=02ce3cf222913143a6a44c2e1901e69b80885f09



--------------------------------

mainline commit: e6a71160

The gimple-iterator.h header must be included before gimple-fold.h
starting with GCC 13. Reorganize gimple headers to work for all GCC
versions.

Reported-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/all/20230113173033.4380-1-palmer@rivosinc.com/


Cc: linux-hardening@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
[ Modified to handle differences in other includes and conditional compilation in the 5.10.y tree. ]
Signed-off-by: Paul Barker <paul.barker@sancloud.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>
(cherry picked from commit f72cad44)