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_
stone-webviewer
symfony-finder
r-grid
python-3.7
dom7
sass-loader
kendo-react-ui
telegram-bot
textangular
identity
mainclass
moodle-theme
flatfiledestination
libx265
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dispatch
password-confirmation
hawkbit
xmlnodelist
trackpad
encrypted-shared-preference
git-branch
minidump
visualsvn
narrator
watin
services
chartkick
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simplemde