Hi, When running cpluspluscheck I get many many complaints like
In file included from /tmp/pg-test-repo/src/include/port/atomics.h:70, from /tmp/pg-test-repo/src/include/utils/dsa.h:17, from /tmp/pg-test-repo/src/include/nodes/tidbitmap.h:26, from /tmp/pg-test-repo/src/include/nodes/execnodes.h:24, from /tmp/pg-test-repo/src/include/commands/trigger.h:17, from /tmp/pg-test-repo/src/pl/plpgsql/src/plpgsql.h:21, from /tmp/cpluspluscheck.qOi18T/test.cpp:3: /tmp/pg-test-repo/src/include/port/atomics/arch-x86.h: In function ‘bool pg_atomic_test_set_flag_impl(volatile pg_atomic_flag*)’: /tmp/pg-test-repo/src/include/port/atomics/arch-x86.h:143:23: warning: ISO C++17 does not allow ‘register’ storage class specifier [-Wregister] 143 | register char _res = 1; | ^~~~ It seems we should just remove the use of register? It's currently only used in src/include/storage/s_lock.h src/include/port/atomics/arch-x86.h >From what I understand compilers essentially have been ignoring it for quite a while... Greetings, Andres Freund