This is really a packager's option. While it's helpful to encourage devs to test this option for daily builds, it's not reliable in several real-world use-cases. Some older libstdc++ runtimes (freebsd 9, debian wheezy, for example) fail to properly catch exceptions due to mismatched type_info. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19664 for more info.
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30 KiB