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edb4f451b6
We emit -Wmissing-field-initializers warnings for code like
data_member_spec (^^int, { .name = "dms" })
which seems undesirable. We can initialize the members of
std::meta::data_member_options to suppress that warning (clang's <meta>
has these initializers too).
PR c++/124950
libstdc++-v3/ChangeLog:
* include/std/meta (std::meta::data_member_options): Initialize
alignment, bit_width, and annotations members.
gcc/testsuite/ChangeLog:
* g++.dg/reflect/data_member_spec7.C: New test.
Reviewed-by: Jonathan Wakely <jwakely@redhat.com>