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Vxworks 7's malloc, like Solaris', only ensures 8-byte alignment of returned pointers on 32-bit x86, though GCC's stddef.h defines max_align_t with 16-byte alignment for __float128. This patch enables on x86-vxworks the same memory_resource workaround used for x86-solaris. The testsuite also had a workaround, defining BAD_MAX_ALIGN_T and xfailing the test; extend those to x86-vxworks as well, and remove the check for char-aligned requested allocation to be aligned like max_align_t. With that change, the test passes on x86-vxworks; I'm guessing that's the same reason for the test not to pass on x86-solaris (and on x86_64-solaris -m32), so with the fix, I'm tentatively removing the xfail. for libstdc++-v3/ChangeLog PR libstdc++/77691 * include/experimental/memory_resource (__resource_adaptor_imp::do_allocate): Handle max_align_t on x86-vxworks as on x86-solaris. (__resource_adaptor_imp::do_deallocate): Likewise. * testsuite/experimental/memory_resource/new_delete_resource.cc: Drop xfail. (BAD_MAX_ALIGN_T): Define on x86-vxworks as on x86-solaris. (test03): Drop max-align test for char-aligned alloc. |
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| doc | ||
| include | ||
| libsupc++ | ||
| po | ||
| python | ||
| scripts | ||
| src | ||
| testsuite | ||
| acinclude.m4 | ||
| aclocal.m4 | ||
| ChangeLog | ||
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| ChangeLog-2018 | ||
| ChangeLog-2019 | ||
| config.h.in | ||
| configure | ||
| configure.ac | ||
| configure.host | ||
| crossconfig.m4 | ||
| fragment.am | ||
| linkage.m4 | ||
| Makefile.am | ||
| Makefile.in | ||
| README | ||
file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.