[Bug 257407] Cross compiling fails on kernel compilation on different stages

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=257407

            Bug ID: 257407
           Summary: Cross compiling fails on kernel compilation on
                    different stages
           Product: Base System
           Version: CURRENT
          Hardware: i386
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: misho@elwix.org

When I try to cross-compile i386 and amd64 architecture under amd64 build host.
If I have a good chance to finish kernel compiling and linking then process
fails on compiling of kernel modules.

From last update of CURRENT sources. Now I have different issue with compile
procedure of kernel.

cc -target i386-unknown-freebsd14.0
--sysroot=/usr/home/m/work/elwix/build/2.8_x86/obj/i386/usr/home/m/work/freebsd.src/i386.i386/tmp
-B/usr/home/m/work/elwix/build/2.8_x86/obj/i386/usr/home/m/work/freebsd.src/i386.i386/tmp/usr/bin
-c -O2 -pipe  -fno-strict-aliasing  -g -nostdinc  -I.
-I/usr/home/m/work/freebsd.src/sys
-I/usr/home/m/work/freebsd.src/sys/contrib/ck/include
-I/usr/home/m/work/freebsd.src/sys/contrib/libfdt -D_KERNEL
-DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common    -MD 
-MF.depend.subr_prng.o -MTsubr_prng.o
-fdebug-prefix-map=./machine=/usr/home/m/work/freebsd.src/sys/i386/include
-fdebug-prefix-map=./x86=/usr/home/m/work/freebsd.src/sys/x86/include -mno-mmx
-mno-sse -msoft-float -ffreestanding -fwrapv -fstack-protector -Wall
-Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes
-Wpointer-arith -Wcast-qual -Wundef -Wno-pointer-sign
-D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs
-fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error=tautological-compare
-Wno-error=empty-body -Wno-error=parentheses-equality
-Wno-error=unused-function -Wno-error=pointer-sign
-Wno-error=shift-negative-value -Wno-address-of-packed-member
-Wno-format-zero-length   -mno-aes -mno-avx  -std=iso9899:1999 -Werror
/usr/home/m/work/freebsd.src/sys/kern/subr_prng.c
Assertion failed: ((EltVT.getSizeInBits() >= 64 || (uint64_t)((int64_t)Val >>
EltVT.getSizeInBits()) + 1 < 2) && "getConstant with a uint64_t value that
doesn't fit in the type!"), function getConstant, file
/usr/src/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp,
line 1337.
PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include the
crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.      Program arguments: cc -target i386-unknown-freebsd14.0
--sysroot=/usr/home/m/work/elwix/build/2.8_x86/obj/i386/usr/home/m/work/freebsd.src/i386.i386/tmp
-B/usr/home/m/work/elwix/build/2.8_x86/obj/i386/usr/home/m/work/freebsd.src/i386.i386/tmp/usr/bin
-c -O2 -pipe -fno-strict-aliasing -g -nostdinc -I.
-I/usr/home/m/work/freebsd.src/sys
-I/usr/home/m/work/freebsd.src/sys/contrib/ck/include
-I/usr/home/m/work/freebsd.src/sys/contrib/libfdt -D_KERNEL
-DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common -MD
-MF.depend.subr_prng.o -MTsubr_prng.o
-fdebug-prefix-map=./machine=/usr/home/m/work/freebsd.src/sys/i386/include
-fdebug-prefix-map=./x86=/usr/home/m/work/freebsd.src/sys/x86/include -mno-mmx
-mno-sse -msoft-float -ffreestanding -fwrapv -fstack-protector -Wall
-Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes
-Wpointer-arith -Wcast-qual -Wundef -Wno-pointer-sign
-D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs
-fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error=tautological-compare
-Wno-error=empty-body -Wno-error=parentheses-equality
-Wno-error=unused-function -Wno-error=pointer-sign
-Wno-error=shift-negative-value -Wno-address-of-packed-member
-Wno-format-zero-length -mno-aes -mno-avx -std=iso9899:1999 -Werror
/usr/home/m/work/freebsd.src/sys/kern/subr_prng.c
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module
'/usr/home/m/work/freebsd.src/sys/kern/subr_prng.c'.
4.      Running pass 'X86 DAG->DAG Instruction Selection' on function '@prng32'
#0 0x0000000004716471 PrintStackTrace
/usr/src/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:565:13
#1 0x0000000004714645 RunSignalHandlers
/usr/src/contrib/llvm-project/llvm/lib/Support/Signals.cpp:72:18
#2 0x00000000046ae23e HandleCrash
/usr/src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:75:5
#3 0x00000000046ae3c3 CrashRecoverySignalHandler
/usr/src/contrib/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:0:51
#4 0x0000000805cf3dc0 handle_signal /usr/src/lib/libthr/thread/thr_sig.c:0:3
cc: error: clang frontend command failed with exit code 134 (use -v to see
invocation)
FreeBSD clang version 12.0.1 (git@github.com:llvm/llvm-project.git
llvmorg-12.0.1-rc2-0-ge7dac564cd0e)
Target: i386-unknown-freebsd14.0
Thread model: posix
InstalledDir: /usr/bin
cc: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
cc: note: diagnostic msg: /tmp/subr_prng-3bfc0b.c
cc: note: diagnostic msg: /tmp/subr_prng-3bfc0b.sh
cc: note: diagnostic msg: 

********************
*** Error code 134

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