clang++.real stack dump llvm when building nougat-86 android-x86

[sazer kpla]

Android Building

[  0% 13/29446] //external/llvm/lib/LTO:libLLVMLTO clang++ LTOModule.cpp

FAILED: out/soong/.intermediates/external/llvm/lib/LTO/libLLVMLTO/android_x86_64_static_core/obj/external/llvm/lib/LTO/LTOModule.o 

PWD=/proc/self/cwd prebuilts/clang/host/linux-x86/clang-4053586/bin/clang++ -c -Iexternal/llvm/lib/LTO  -fno-exceptions -Wno-multichar -O2 -Wa,--noexecstack -Werror=format-security -D_FORTIFY_SOURCE=2 -Wstrict-aliasing=2 -ffunction-sections -fno-short-enums -fstrict-aliasing -funwind-tables -fstack-protector-strong -no-canonical-prefixes -Werror=pointer-to-int-cast -Werror=int-to-pointer-cast -Werror=implicit-function-declaration -O2 -g -fno-strict-aliasing -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith -DNDEBUG -UDEBUG -fdebug-prefix-map=/proc/self/cwd= -D__compiler_offsetof=__builtin_offsetof -Werror=int-conversion -Wno-reserved-id-macro -Wno-format-pedantic -Wno-unused-command-line-argument -fcolor-diagnostics -Wno-expansion-to-defined -fdebug-prefix-map=$PWD/= -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Werror=date-time -nostdlibinc -m64 -march=x86-64 -DUSE_SSSE3 -mssse3 -msse4 -msse4.1 -msse4.2 -mpopcnt -Iexternal/llvm/include -Iexternal/llvm/device/include -Iout/soong/.intermediates/external/llvm/llvm-gen-attributes/gen -Iout/soong/.intermediates/external/llvm/llvm-gen-intrinsics/gen -Iexternal/libcxx/include -Iexternal/libcxxabi/include -Isystem/core/include -Isystem/media/audio/include -Ihardware/libhardware/include -Ihardware/libhardware_legacy/include -Ihardware/ril/include -Ilibnativehelper/include -Iframeworks/native/include -Iframeworks/native/opengl/include -Iframeworks/av/include -isystem bionic/libc/arch-x86_64/include -isystem bionic/libc/include -isystem bionic/libc/kernel/uapi -isystem bionic/libc/kernel/uapi/asm-x86 -isystem bionic/libc/kernel/android/scsi -isystem bionic/libc/kernel/android/uapi -Ilibnativehelper/include_deprecated -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -fomit-frame-pointer -Wall -W -Wno-sign-compare -Wno-unused-parameter -Wno-missing-field-initializers -Wwrite-strings -Werror -Dsprintf=sprintf -Wno-error=unused-lambda-capture -Wno-error=user-defined-warnings -target x86_64-linux-android -Bprebuilts/gcc/linux-x86/x86/x86_64-linux-android-4.9/x86_64-linux-android/bin -fPIC -D_USING_LIBCXX -std=gnu++14 -Wsign-promo -Wno-inconsistent-missing-override -Wno-null-dereference -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS -Wno-thread-safety-negative -Wno-sign-promo -std=c++11 -Woverloaded-virtual -fno-rtti  -Werror=int-to-pointer-cast -Werror=pointer-to-int-cast -Werror=address-of-temporary -Werror=return-type -MD -MF out/soong/.intermediates/external/llvm/lib/LTO/libLLVMLTO/android_x86_64_static_core/obj/external/llvm/lib/LTO/LTOModule.o.d -o out/soong/.intermediates/external/llvm/lib/LTO/libLLVMLTO/android_x86_64_static_core/obj/external/llvm/lib/LTO/LTOModule.o external/llvm/lib/LTO/LTOModule.cpp

clang++.real: error: unable to execute command: Bus error

clang++.real: error: clang frontend command failed due to signal (use -v to see invocation)

Android clang version 5.0.300080  (based on LLVM 5.0.300080)

Target: x86_64--linux-android

Thread model: posix

InstalledDir: prebuilts/clang/host/linux-x86/clang-4053586/bin

clang++.real: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.

clang++.real: error: unable to execute command: Bus error

clang++.real: note: diagnostic msg: Error generating preprocessed source(s).

[  0% 20/29446] //external/llvm/lib/Transforms/IPO:libLLVMipo clang++ SampleProfile.cpp

ninja: build stopped: subcommand failed.

21:30:12 ninja failed with: exit status 1

any idea ?????????????

[Dan Willemsen]

The common reason that clang crashes come up on this mailing list is that your system has run out of memory during the build -- you might want to watch `top` during a build, or look at the kernel logs afterwards and see if it was OOM-killed or crashed due to some other reason. Sometimes it's a bug in clang too, but that's rarer (and with clang & code that old, not all that useful to track down).

- Dan

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