[Bug bootstrap/106779] GCC 12.2 fails to compile in libiberty - uknown symbol PTR - requires later patch

["todd_richmond at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106779

--- Comment #7 from Todd Richmond <todd_richmond at hotmail dot com> ---
i was playing w/ cmdline and had deleted an extra arg. the 12.2 path is before
the 12.1 path.  However, our build scripts include the correct gcc header dir
to all configure lines to ensure we don't pull in the system gcc headers. This
causes 12.2 to include the source include dir (var/tmp...) last instead of
first

It is strange that this only fails for 12.2. I rebuilt 12.1 yesterday w/o issue
so did something change in Makefile.in or a configure script that changed the
include order?

I can confirm that removing the original gcc include paths from the compile
works correctly

fail:

/tools/arch/Linux_3.10.0-x86_64/gcc-12.1.0-bootstrap/bin/gcc -c -DHAVE_CONFIG_H
-fPIC -O3 -pipe -DNDEBUG -Wno-error=unused-value -Wno-unused-variable 
-I/tools/arch/Linux_3.10.0-x86_64/gcc-12.2.0-bootstrap/include
-I/tools/arch/Linux_3.10.0-x86_64/gcc-12.1.0-bootstrap//include    -I.
-I/var/tmp/gcc-12.2.0-bootstrap/gcc-12.2.0/libiberty/../include  -W -Wall
-Wwrite-strings -Wc++-compat -Wstrict-prototypes -Wshadow=local -pedantic 
-D_GNU_SOURCE -fcf-protection
/var/tmp/gcc-12.2.0-bootstrap/gcc-12.2.0/libiberty/objalloc.c -o objalloc.o

succeed:
/tools/arch/Linux_3.10.0-x86_64/gcc-12.1.0-bootstrap/bin/gcc -c -DHAVE_CONFIG_H
-fPIC -O3 -pipe -ffunction-sections -fdata-sections -march=nehalem
-mtune=broadwell -DNDEBUG -Wno-error=unused-value -Wno-unused-variable   -I.
-I/var/tmp/gcc-12.2.0-bootstrap/gcc-12.2.0/libiberty/../include  -W -Wall
-Wwrite-strings -Wc++-compat -Wstrict-prototypes -Wshadow=local -pedantic 
-D_GNU_SOURCE -fcf-protection
/var/tmp/gcc-12.2.0-bootstrap/gcc-12.2.0/libiberty/objalloc.c -o objalloc.o