https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82475
Bug ID: 82475 Summary: GCC is unable to compile OpenACC with class fields Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: marcin.marcin.m at gmail dot com Target Milestone: --- Created attachment 42323 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42323&action=edit test.cpp - the source code which triggers the bug When trying to compile the attached code, g++ 7.2.0 bails out with $ g++ -fopenacc test.cpp test.cpp: In constructor ‘foo::foo(float*, size_t)’: test.cpp:7:42: error: ‘foo::_x’ is not a variable in ‘map’ clause #pragma acc enter data copyin(_x) ^ test.cpp:7:17: error: ‘#pragma acc enter data’ has no data movement clause #pragma acc enter data copyin(_x) ^~~ The code is properly compiled using PGI Professional 17.9 $ pgc++ -acc -ta=tesla:cc60 -Minfo=accel test.cpp -o test foo::foo(float *, unsigned long): 8, Generating enter data copyin(_x[:]) The OpenACC 2.5 Programming and Best Practice Guide, [1] page 32, clearly shows that copying in member variables should be supported System: Arch Linux Target: x86_64-pc-linux-gnu Configured with: /build/gcc-multilib/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --enable-libmpx --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --enable-gnu-indirect-function --enable-multilib --disable-werror --enable-checking=release --enable-default-pie --enable-default-ssp Thread model: posix gcc version 7.2.0 (GCC) [1] https://www.openacc.org/sites/default/files/inline-files/OpenACC_Programming_Guide_0.pdf