misc/182513: Cross build failed with segfault of clang

[Michael Pounov]

>Number:         182513
>Category:       misc
>Synopsis:       Cross build failed with segfault of clang
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Sep 30 13:20:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Michael Pounov
>Release:        FreeBSD-current
>Organization:
ELWIX
>Environment:
FreeBSD elwix.aitnet.org 10.0-ALPHA3 FreeBSD 10.0-ALPHA3 #1 r255867: Wed Sep 25 12:42:06 EEST 2013     root at elwix.aitnet.org:/usr/obj/usr/src/sys/GENERIC  i386
>Description:
Cross build of FreeBSD for i386 is broken and strange effects appeared. clang crashes with segmentation faults.

/home/misho/work/elwix/build/2.1/obj/i386/home/fbsd_work.src/src/tmp/usr/include/unistd.h:37:10: fatal error: 
      file '/home/misho/work/elwix/build/2.1/obj/i386/home/fbsd_work.src/src/tmp/usr/include/sys/types.h' modified
      since it was first processed
#include <sys/types.h>                  /* XXX adds too much pollution. */
         ^
Stack dump:
0.	Program arguments: /home/misho/work/elwix/build/2.1/obj/i386/home/fbsd_work.src/src/tmp/usr/bin/cc -cc1 -triple i386-unknown-freebsd10.0 -emit-obj -disable-free -main-file-name v3_crld.c -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -target-cpu i486 -coverage-file /home/misho/work/elwix/build/2.1/obj/i386/home/fbsd_work.src/src/secure/lib/libcrypto/v3_crld.po -resource-dir /home/misho/work/elwix/build/2.1/obj/i386/home/fbsd_work.src/src/tmp/usr/bin/../lib/clang/3.3 -D TERMIOS -D ANSI_SOURCE -D OPENSSL_THREADS -D DSO_DLFCN -D HAVE_DLFCN_H -D L_ENDIAN -D OPENSSL_IA32_SSE2 -D AES_ASM -D VPAES_ASM -D OPENSSL_BN_ASM_PART_WORDS -D OPENSSL_BN_ASM_MONT -D OPENSSL_BN_ASM_GF2m -D MD5_ASM -D GHASH_ASM -D RMD160_ASM -D SHA1_ASM -D SHA256_ASM -D SHA512_ASM -D WHIRLPOOL_ASM -I /home/fbsd_work.src/src/secure/lib/libcrypto/../../../crypto/openssl -I /home/fbsd_work.src/src/secure/lib/libcrypto/../../../crypto/openssl/crypto -I /home/misho/work/elwix/build/2.1/obj
 /i386/home/fbsd_work.src/src/secure/lib/libcrypto -I /home/fbsd_work.src/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/asn1 -I /home/fbsd_work.src/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/evp -I /home/fbsd_work.src/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/modes -isysroot /home/misho/work/elwix/build/2.1/obj/i386/home/fbsd_work.src/src/tmp -O2 -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-conversion -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter -Wno-parentheses -std=gnu89 -fdebug-compilation-dir /home/misho/work/elwix/build/2.1/obj/i386/home/fbsd_work.src/src/secure/lib/libcrypto -ferror-limit 19 -fmessage-length 114 -pg -stack-protector 1 -mstackrealign -fobjc-runtime=gnustep -fobjc-default-synthesize-properties -fdiagnostics-show-option -fcolor-diagnostics -backend-option -vectorize-loops -o v3_crld.po -x c /home/fbsd_work.src/s
 rc/secure/lib/libcrypto/../../../crypto/open!
 ssl/crypto/x509v3/v3_crld.c 
1.	/home/misho/work/elwix/build/2.1/obj/i386/home/fbsd_work.src/src/tmp/usr/include/unistd.h:37:2: current parser token 'include'
cc: error: unable to execute command: Segmentation fault (core dumped)
cc: error: clang frontend command failed due to signal (use -v to see invocation)
FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
Target: i386-unknown-freebsd10.0
Thread model: posix
cc: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.
cc: note: diagnostic msg: Error generating preprocessed source(s).
*** Error code 254

>How-To-Repeat:
Try to cross compile world with 
make TARGET=i386 TARGET_ARCH=i386 buildworld DESTDIR=/wtf
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: