https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79883
--- Comment #8 from Georg-Johann Lay <gjl at gcc dot gnu.org> --- Author: gjl Date: Wed Jul 12 15:31:22 2017 New Revision: 250157 URL: https://gcc.gnu.org/viewcvs?rev=250157&root=gcc&view=rev Log: gcc/ Backport from 2017-07-12 trunk r250156. PR target/79883 * config/avr/avr.c (avr_set_current_function): In diagnostic messages: Quote keywords and (parts of) identifiers. [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or "INTERRUPT". Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/config/avr/avr.c