Build: fix GCC 7 implicit fallthrough warnings #769
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From https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html: >C++17 provides a standard way to suppress the -Wimplicit-fallthrough warning using [[fallthrough]]; instead of the GNU attribute. In C++11 or C++14 users can use [[gnu::fallthrough]];, which is a GNU extension. Instead of these attributes, it is also possible to add a fallthrough comment to silence the warning.
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LGTM -- I'm wondering though whether GCC doesn't have an attribute for this instead, like Clang does? |
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From https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html: