I am getting a a core dump with 4.0 Beta 4 Patch Level 1.  Everything was working fine under 4.0 Beta 3.  On startup Apache fails with:

Memory fault (core dumped)

Here is a backtrace of the core file.

#> gdb httpsd httpsd.core 
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This GDB was configured as "i386-unknown-openbsd2.4"...
Core was generated by `httpsd'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/libexec/ld.so...done.
Reading symbols from /usr/lib/libc.so.20.3...done.
Reading symbols from /usr/local/apache/libexec/mod_env.so...done.
Reading symbols from /usr/local/apache/libexec/mod_log_config.so...done.
Reading symbols from /usr/local/apache/libexec/mod_mime.so...done.
Reading symbols from /usr/local/apache/libexec/mod_negotiation.so...done.
Reading symbols from /usr/local/apache/libexec/mod_status.so...done.
Reading symbols from /usr/local/apache/libexec/mod_info.so...done.
Reading symbols from /usr/local/apache/libexec/mod_include.so...done.
Reading symbols from /usr/local/apache/libexec/mod_autoindex.so...done.
Reading symbols from /usr/local/apache/libexec/mod_dir.so...done.
Reading symbols from /usr/local/apache/libexec/mod_cgi.so...done.
Reading symbols from /usr/local/apache/libexec/mod_asis.so...done.
Reading symbols from /usr/local/apache/libexec/mod_imap.so...done.
---Type <return> to continue, or q <return> to quit---
Reading symbols from /usr/local/apache/libexec/mod_actions.so...done.
Reading symbols from /usr/local/apache/libexec/mod_speling.so...done.
Reading symbols from /usr/local/apache/libexec/mod_userdir.so...done.
Reading symbols from /usr/local/apache/libexec/mod_alias.so...done.
Reading symbols from /usr/local/apache/libexec/mod_rewrite.so...done.
Reading symbols from /usr/local/apache/libexec/mod_access.so...done.
Reading symbols from /usr/local/apache/libexec/mod_auth.so...done.
Reading symbols from /usr/local/apache/libexec/mod_digest.so...done.
Reading symbols from /usr/local/apache/libexec/mod_cern_meta.so...done.
Reading symbols from /usr/local/apache/libexec/mod_expires.so...done.
Reading symbols from /usr/local/apache/libexec/mod_headers.so...done.
Reading symbols from /usr/local/apache/libexec/mod_usertrack.so...done.
Reading symbols from /usr/local/apache/libexec/mod_unique_id.so...done.
Reading symbols from /usr/local/apache/libexec/mod_setenvif.so...done.
Reading symbols from /usr/local/apache/libexec/mod_auth_mysql.so...done.
Reading symbols from /usr/local/lib/mysql/libmysqlclient.so.6.0...done.
Reading symbols from /usr/lib/libm.so.0.1...done.
Reading symbols from /usr/local/apache/libexec/mod_auth_key_sql.so...done.
Reading symbols from /usr/local/apache/libexec/libphp4.so...done.
Reading symbols from /usr/local/apache/libexec/raven_ssl.so...done.
#0  0x4018eda9 in sapi_startup (sf=0xa5000) at SAPI.c:68
68              sapi_module = *sf;
(gdb) bt
#0  0x4018eda9 in sapi_startup (sf=0xa5000) at SAPI.c:68
#1  0x401c6eee in php_init_handler (s=0x45034, p=0x4500c) at mod_php4.c:640
#2  0x8f41 in ap_init_modules ()
#3  0x1714d in main ()