https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120613
Bug ID: 120613
Summary: PGO build of PHP fails with SSA corruption
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: redhat.bugzilla at proton dot me
Target Milestone: ---
gcc version 14.2.1 20250110 (Red Hat 14.2.1-7) on Almalinux 10
Options:
./configure CFLAGS='-O2 -march=native' --prefix=/usr/local/php848 --enable-intl
--with-mysqli --with-zlib --with-zip --enable-fpm --with-openssl
--enable-mbstring --with-curl --enable-calendar --enable-exif --enable-opcache
--enable-shmop --enable-bcmath --with-sodium --enable-gd --with-fpm-systemd
--with-fpm-selinux --with-pear --with-readline
Command line:
make prof-gen
sapi/cgi/php-cgi -T 100 /path/to/index.php >/dev/null
make prof-clean
make prof-use
Output:
/bin/sh /tmp/php-8.4.8/libtool --silent --preserve-dup-deps --tag=CC
--mode=compile cc -Iext/session/ -I/tmp/php-8.4.8/ext/session/
-I/tmp/php-8.4.8/main -I/tmp/php-8.4.8 -I/tmp/php-8.4.8/ext/date/lib
-I/usr/include/libxml2 -I/usr/include/libpng16
-I/tmp/php-8.4.8/ext/mbstring/libmbfl
-I/tmp/php-8.4.8/ext/mbstring/libmbfl/mbfl -I/tmp/php-8.4.8/TSRM
-I/tmp/php-8.4.8/Zend -D_GNU_SOURCE -fno-common -Wstrict-prototypes
-Wformat-truncation -Wlogical-op -Wduplicated-cond -Wno-clobbered -Wall -Wextra
-Wno-unused-parameter -Wno-sign-compare -O2 -march=native -ffp-contract=off
-fvisibility=hidden -Wimplicit-fallthrough=1 -DZEND_SIGNALS -fprofile-use
-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1 -c /tmp/php-8.4.8/ext/session/session.c -o
ext/session/session.lo -MMD -MF ext/session/session.dep -MT
ext/session/session.lo
/tmp/php-8.4.8/ext/session/session.c: In function
‘php_session_rfc1867_callback’:
/tmp/php-8.4.8/ext/session/session.c:3407:1: warning:
‘/tmp/php-8.4.8/ext/session/.libs/session.gcda’ profile count data file not
found [-Wmissing-profile]
3407 | };
| ^
Unable to coalesce ssa_names 3 and 4 which are marked as MUST COALESCE.
__orig_bailout_3(ab) and __orig_bailout_4(ab)
during RTL pass: expand
In file included from /tmp/php-8.4.8/main/php.h:35,
from /tmp/php-8.4.8/ext/session/session.c:22:
/tmp/php-8.4.8/ext/session/session.c: In function ‘zm_deactivate_session’:
/tmp/php-8.4.8/Zend/zend_API.h:225:49: internal compiler error: SSA corruption
225 | #define ZEND_MODULE_DEACTIVATE_N(module) zm_deactivate_##module
| ^~~~~~~~~~~~~~
/tmp/php-8.4.8/Zend/zend_API.h:235:61: note: in expansion of macro
‘ZEND_MODULE_DEACTIVATE_N’
235 | #define ZEND_MODULE_DEACTIVATE_D(module) zend_result
ZEND_MODULE_DEACTIVATE_N(module)(SHUTDOWN_FUNC_ARGS)
|
^~~~~~~~~~~~~~~~~~~~~~~~
/tmp/php-8.4.8/main/php.h:403:33: note: in expansion of macro
‘ZEND_MODULE_DEACTIVATE_D’
403 | #define PHP_RSHUTDOWN_FUNCTION ZEND_MODULE_DEACTIVATE_D
| ^~~~~~~~~~~~~~~~~~~~~~~~
/tmp/php-8.4.8/ext/session/session.c:2925:8: note: in expansion of macro
‘PHP_RSHUTDOWN_FUNCTION’
2925 | static PHP_RSHUTDOWN_FUNCTION(session) /* {{{ */
| ^~~~~~~~~~~~~~~~~~~~~~
Please submit a full bug report, with preprocessed source.
See <http://bugs.almalinux.org/> for instructions.
Preprocessed source stored into /tmp/ccJtjIIy.out file, please attach this to
your bugreport.
make[1]: *** [Makefile:2500: ext/session/session.lo] Error 1
make[1]: Leaving directory '/tmp/php-8.4.8'
make: *** [Makefile:267: prof-use] Error 2
Preprocessed source is 3.1 MB and can’t be attached here.
