https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94612
Bug ID: 94612 Summary: Failed to build simple examples with offloading. Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgomp Assignee: unassigned at gcc dot gnu.org Reporter: chinoune.mehdi at hotmail dot com CC: jakub at gcc dot gnu.org Target Milestone: --- $cat prod.f90 program main implicit none integer, parameter :: sp = selected_real_kind(6,37) integer, parameter :: n = 4096 real(sp), allocatable :: a(:), b(:), c(:), c2(:) integer :: i allocate( a(n), b(n), c(n) ) c = 0._sp call random_number(a) call random_number(b) !$omp target teams map(to: a, b) map(from: c) !$omp distribute parallel do do i = 1, n c(i) = a(i)*b(i) end do !$omp end target teams c2 = a*b print*, maxval( abs(c2-c) ) end program $ gfortran-10 prod.f90 -fopenmp -foffload=nvptx-none -o test.x lto1: internal compiler error: compressed stream: data error Please submit a full bug report, with preprocessed source if appropriate. See <https://gcc.gnu.org/bugs/> for instructions. mkoffload: fatal error: x86_64-linux-gnu-accel-nvptx-none-gcc-10 returned 1 exit status compilation terminated. lto-wrapper: fatal error: /usr/lib/gcc/x86_64-linux-gnu/10//accel/nvptx-none/mkoffload returned 1 exit status compilation terminated. /usr/bin/ld: error: lto-wrapper failed collect2: error: ld returned 1 exit status System: Ubuntu 20.04 x86_64 $ gcc-10 -v Using built-in specs. COLLECT_GCC=gcc-10 COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/10/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa:hsa OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 10-20200411-0ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-10/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-10 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none,amdgcn-amdhsa,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.0.1 20200411 (experimental) [master revision bb87d5cc77d:75961caccb7:f883c46b4877f637e0fa5025b4d6b5c9040ec566] (Ubuntu 10-20200411-0ubuntu1)