My gcc version is 4.8.3 20140624. I can use is_pod, is_trivial, is_standard_layout, but fail when trying is_trivially_copyable, is_constructible and is_default_
google-roads-api
twilio-conversations
azure-database-postgresql
mmenu
ocamllex
eps
autoexec
django-notification
quickblox-android
easyadmin3
sql-types
geographic-distance
jmf
python-2.1
kotlinx.coroutines.flow
pitch-tracking
flutter-streambuilder
libnet
controlsfx
morningstar
programdata
asn1crypto
adjustable
radians
pg-notify
monday.com
cryptoswift
d3-force-directed
google-analytics-r
base-conversion