Avoid noexcept-type in GCC 7.1 for test code
Avoid noexcept-type in GCC 7.1 for test code

Fixes https://github.com/google/shaderc/issues/334

dneto0/shaderc,dneto0/shaderc,antiagainst/shaderc,antiagainst/shaderc,dneto0/shaderc,antiagainst/shaderc,antiagainst/shaderc,dneto0/shaderc