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Georgi D. Sotirov authored and GitHub committed 94046c91db2
Return GTEST_ATTRIBUTE_UNUSED_ on record_property_env to avoide comilation error (with -Werror) The unused attribute was removed with commit 3299a23 on 2018-02-23, but it currently breaks build of 1.8.1, because of -Werror GCC parameter as reported in issue #1825.