Date: Mon, 12 Jul 2021 14:41:44 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 257132] clang 12.0.1 fails to cross-compile kern_mbuf - amd64 host, i386 target Message-ID: <bug-257132-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D257132 Bug ID: 257132 Summary: clang 12.0.1 fails to cross-compile kern_mbuf - amd64 host, i386 target Product: Base System Version: CURRENT Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: imb@protected-networks.net When cross-building for i386 target on amd64, clang 12.0.1 trips over an assertion: Assertion failed: ((EltVT.getSizeInBits() >=3D 64 || (uint64_t)((int64_t)Va= l >> EltVT.getSizeInBits()) + 1 < 2) && "getConstant with a uint64_t value that doesn't fit in the type!"), function getConstant, file /usr/local/release-builds/i386/usr/src/contrib/llvm-project/llvm/lib/CodeGe= n/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=3D/usr/obj/usr/src/i386.i386/tmp -B/usr/obj/usr/src/i386.i386/tmp/usr/bin -c -O2 -pipe -fno-strict-aliasing -nostdinc -I. -I/usr/src/sys -I/usr/src/sys/contrib/ck/include -I/usr/src/sys/contrib/libfdt -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -inclu= de opt_global.h -fno-common -MD -MF.depend.kern_mbuf.o -MTkern_mbuf.o -fdebug-prefix-map=3D./machine=3D/usr/src/sys/i386/include -fdebug-prefix-map=3D./x86=3D/usr/src/sys/x86/include -mno-mmx -mno-sse -msoft-float -ffreestanding -fwrapv -fstack-protector -Wall -Wredundant-dec= ls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=3D__freebsd_kprintf__ -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error=3Dtautological-compare -Wno-error=3Dempty-body -Wno-error=3Dparentheses-equality -Wno-error=3Dunused-function -Wno-error=3Dpointer-sign -Wno-error=3Dshift-negative-value -Wno-address-of-packed-member -Wno-format-zero-length -mno-aes -mno-avx -std=3Diso9899:1999 -Werror /usr/src/sys/kern/kern_mbuf.c 1. <eof> parser at end of file 2. Code generation 3. Running pass 'Function Pass Manager' on module '/usr/src/sys/kern/kern_mbuf.c'. 4. Running pass 'X86 DAG->DAG Instruction Selection' on function '@m_f= ree' #0 0x00000000047256d1 PrintStackTrace /usr/local/release-builds/i386/usr/src/contrib/llvm-project/llvm/lib/Suppor= t/Unix/Signals.inc:565:13 #1 0x00000000047238a5 RunSignalHandlers /usr/local/release-builds/i386/usr/src/contrib/llvm-project/llvm/lib/Suppor= t/Signals.cpp:72:18 #2 0x00000000046bd49e HandleCrash /usr/local/release-builds/i386/usr/src/contrib/llvm-project/llvm/lib/Suppor= t/CrashRecoveryContext.cpp:75:5 #3 0x00000000046bd623 CrashRecoverySignalHandler /usr/local/release-builds/i386/usr/src/contrib/llvm-project/llvm/lib/Suppor= t/CrashRecoveryContext.cpp:0:51 #4 0x0000000805d03eb0 handle_signal /usr/local/release-builds/i386/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:=20 ******************** 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/kern_mbuf-e8afab.c cc: note: diagnostic msg: /tmp/kern_mbuf-e8afab.sh cc: note: diagnostic msg:=20 preprocessed source (as above) attached shell script (as above) contains: # Crash reproducer for FreeBSD clang version 12.0.1 (git@github.com:llvm/llvm-project.git llvmorg-12.0.1-rc2-0-ge7dac564cd0e) # Driver args: "--target=3Di386-unknown-freebsd14.0" "--sysroot=3D/usr/obj/usr/src/i386.i386/tmp" "-B" "/usr/obj/usr/src/i386.i386/tmp/usr/bin" "-c" "-O2" "-pipe" "-fno-strict-aliasing" "-nostdinc" "-I" "." "-I" "/usr/src/sys" "-I" "/usr/src/sys/contrib/ck/include" "-I" "/usr/src/sys/contrib/libfdt" "-D" "_KERNEL" "-D" "HAVE_KERNEL_OPTION_HEADERS" "-include" "opt_global.h" "-fno-common" "-MD" "-MF" ".depend.kern_mbuf.o" "-MT" "kern_mbuf.o" "-fdebug-prefix-map=3D./machine=3D/usr/src/sys/i386/include" "-fdebug-prefix-map=3D./x86=3D/usr/src/sys/x86/include" "-mno-mmx" "-mno-ss= e" "-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__=3D__freebsd_kprintf__" "-Wmissing-include-dirs" "-fdiagnostics-show-option" "-Wno-unknown-pragmas" "-Wno-error=3Dtautological-compare" "-Wno-error=3Dempty-body" "-Wno-error=3Dparentheses-equality" "-Wno-error=3Dunused-function" "-Wno-error=3Dpointer-sign" "-Wno-error=3Dshift-negative-value" "-Wno-address-of-packed-member" "-Wno-format-zero-length" "-mno-aes" "-mno-= avx" "-std=3Diso9899:1999" "-Werror" "/usr/src/sys/kern/kern_mbuf.c" # Original command: "/usr/bin/cc" "-cc1" "-triple" "i386-unknown-freebsd14= .0" "-emit-obj" "--mrelax-relocations" "-disable-free" "-main-file-name" "kern_mbuf.c" "-mrelocation-model" "static" "-mframe-pointer=3Dall" "-relaxed-aliasing" "-fno-rounding-math" "-mconstructor-aliases" "-ffreestanding" "-target-cpu" "i686" "-target-feature" "-mmx" "-target-feature" "-sse" "-target-feature" "-aes" "-target-feature" "-avx" "-no-implicit-float" "-tune-cpu" "generic" "-fno-split-dwarf-inlining" "-debugger-tuning=3Dgdb" "-nostdsysteminc" "-nobuiltininc" "-resource-dir" "/usr/lib/clang/12.0.1" "-dependency-file" ".depend.kern_mbuf.o" "-MT" "kern_mbuf.o" "-sys-header-deps" "-include" "opt_global.h" "-I" "." "-I" "/usr/src/sys" "-I" "/usr/src/sys/contrib/ck/include" "-I" "/usr/src/sys/contrib/libfdt" "-D" "_KERNEL" "-D" "HAVE_KERNEL_OPTION_HEADE= RS" "-D" "__printf__=3D__freebsd_kprintf__" "-isysroot" "/usr/obj/usr/src/i386.i386/tmp" "-O2" "-Wall" "-Wredundant-decls" "-Wnested-externs" "-Wstrict-prototypes" "-Wmissing-prototypes" "-Wpointer-arith" "-Wcast-qual" "-Wundef" "-Wno-pointer-sign" "-Wmissing-include-dirs" "-Wno-unknown-pragmas" "-Wno-error=3Dtautological-compare" "-Wno-error=3Dempty-body" "-Wno-error=3Dparentheses-equality" "-Wno-error=3Dunused-function" "-Wno-error=3Dpointer-sign" "-Wno-error=3Dshift-negative-value" "-Wno-address-of-packed-member" "-Wno-format-zero-length" "-Werror" "-std=3Diso9899:1999" "-fdebug-compilation-dir" "/usr/obj/usr/src/i386.i386/sys/SARAH" "-fdebug-prefix-map=3D./machine=3D/usr/src/sys/i386/include" "-fdebug-prefix-map=3D./x86=3D/usr/src/sys/x86/include" "-ferror-limit" "19" "-fwrapv" "-stack-protector" "1" "-fgnuc-version=3D4.2.1" "-vectorize-loops" "-vectorize-slp" "-faddrsig" "-o" "kern_mbuf.o" "-x" "c" "/usr/src/sys/kern/kern_mbuf.c" "/usr/bin/cc" "-cc1" "-triple" "i386-unknown-freebsd14.0" "-emit-obj" "--mrelax-relocations" "-disable-free" "-main-file-name" "kern_mbuf.c" "-mrelocation-model" "static" "-mframe-pointer=3Dall" "-relaxed-aliasing" "-fno-rounding-math" "-mconstructor-aliases" "-ffreestanding" "-target-cpu" "i686" "-target-feature" "-mmx" "-target-feature" "-sse" "-target-feature" "-aes" "-target-feature" "-avx" "-no-implicit-float" "-tune-cpu" "generic" "-fno-split-dwarf-inlining" "-debugger-tuning=3Dgdb" "-nostdsysteminc" "-nobuiltininc" "-sys-header-deps" "-D" "_KERNEL" "-D" "HAVE_KERNEL_OPTION_HEADERS" "-D" "__printf__=3D__freebsd_kprintf__" "-O2" "-Wall" "-Wredundant-decls" "-Wnested-externs" "-Wstrict-prototypes" "-Wmissing-prototypes" "-Wpointer-arith" "-Wcast-qual" "-Wundef" "-Wno-pointer-sign" "-Wmissing-include-dirs" "-Wno-unknown-pragmas" "-Wno-error=3Dtautological-compare" "-Wno-error=3Dempty-body" "-Wno-error=3Dparentheses-equality" "-Wno-error=3Dunused-function" "-Wno-error=3Dpointer-sign" "-Wno-error=3Dshift-negative-value" "-Wno-address-of-packed-member" "-Wno-format-zero-length" "-Werror" "-std=3Diso9899:1999" "-fdebug-prefix-map=3D./machine=3D/usr/src/sys/i386/i= nclude" "-fdebug-prefix-map=3D./x86=3D/usr/src/sys/x86/include" "-ferror-limit" "19" "-fwrapv" "-stack-protector" "1" "-fgnuc-version=3D4.2.1" "-vectorize-loops" "-vectorize-slp" "-faddrsig" "-x" "c" "kern_mbuf-e8afab.c" --=20 You are receiving this mail because: You are the assignee for the bug.=
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