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gcc/libstdc++-v3
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Alexandre Oliva 883246530f x86-vxworks malloc aligns to 8 bytes like solaris 
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.
2020-05-13 04:49:00 -03:00
..
config Update the baseline symbols for SPARC64/Linux 2020-05-07 10:56:51 +02:00
doc libstdc++: Document library versioning for 9.[123] and 10.1 2020-05-06 10:30:15 +01:00
include x86-vxworks malloc aligns to 8 bytes like solaris 2020-05-13 04:49:00 -03:00
libsupc++ libstdc++: Fix the return type of __cxa_finalize 2020-05-04 23:07:19 +01:00
po Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
python libstdc++: Fix regression in libstdc++-prettyprinters/cxx20.cc 2020-02-17 13:20:57 +00:00
scripts Update copyright years. 2020-01-01 12:51:42 +01:00
src Revert "libstdc++ Enhance thread safety of debug mode iterators" 2020-05-11 14:07:06 +02:00
testsuite x86-vxworks malloc aligns to 8 bytes like solaris 2020-05-13 04:49:00 -03:00
acinclude.m4 libstdc++: Replace glibc-specific check for clock_gettime (PR 93325) 2020-01-28 13:24:09 +00:00
aclocal.m4 Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
ChangeLog x86-vxworks malloc aligns to 8 bytes like solaris 2020-05-13 04:49:00 -03:00
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ChangeLog-2019 libstdc++: Fix whitespace in ChangeLog-2019 2020-01-09 21:31:35 +00:00
config.h.in libstdc++: Add full steady_clock support to shared_timed_mutex 2019-12-02 16:23:10 +00:00
configure Use a non-empty test program to test ability to link. 2020-02-12 13:22:07 -08:00
configure.ac libstdc++: Add full steady_clock support to shared_timed_mutex 2019-12-02 16:23:10 +00:00
configure.host
crossconfig.m4 reject macros in math decl check 2020-01-23 16:44:54 -03:00
fragment.am
linkage.m4
Makefile.am Update copyright years. 2020-01-01 12:51:42 +01:00
Makefile.in Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
README

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.