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_
opml
sysbios
spring-reactive
transitland
aop
beast
text-justify
bootstrap-table
vis.js-network
pygame-tick
density-independent-pixel
makeappx
pdist
google-nearby-messages
lcd
refreshable
requirejs-optimizer
holoviz-panel
angular.io
setstate
event-loop
gpyopt
lightgallery-2
pytest-html-reporter
amazon-ground-truth
communication
coursera-api
bazel-cpp
hft
laravel-6
