https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99173
--- Comment #1 from seurer at gcc dot gnu.org --- There are actually a bunch more. Here's the full list: FAIL: c-c++-common/attr-retain-5.c -Wc++-compat (test for excess errors) FAIL: c-c++-common/attr-retain-5.c -std=gnu++14 (test for excess errors) FAIL: c-c++-common/attr-retain-5.c -std=gnu++17 (test for excess errors) FAIL: c-c++-common/attr-retain-5.c -std=gnu++2a (test for excess errors) FAIL: c-c++-common/attr-retain-5.c -std=gnu++98 (test for excess errors) FAIL: c-c++-common/attr-retain-6.c -Wc++-compat (test for excess errors) FAIL: c-c++-common/attr-retain-6.c -std=gnu++14 (test for excess errors) FAIL: c-c++-common/attr-retain-6.c -std=gnu++17 (test for excess errors) FAIL: c-c++-common/attr-retain-6.c -std=gnu++2a (test for excess errors) FAIL: c-c++-common/attr-retain-6.c -std=gnu++98 (test for excess errors) FAIL: c-c++-common/attr-retain-7.c -Wc++-compat (test for excess errors) FAIL: c-c++-common/attr-retain-7.c -std=gnu++14 (test for excess errors) FAIL: c-c++-common/attr-retain-7.c -std=gnu++17 (test for excess errors) FAIL: c-c++-common/attr-retain-7.c -std=gnu++2a (test for excess errors) FAIL: c-c++-common/attr-retain-7.c -std=gnu++98 (test for excess errors) FAIL: c-c++-common/attr-retain-8.c -Wc++-compat (test for excess errors) FAIL: c-c++-common/attr-retain-8.c -std=gnu++14 (test for excess errors) FAIL: c-c++-common/attr-retain-8.c -std=gnu++17 (test for excess errors) FAIL: c-c++-common/attr-retain-8.c -std=gnu++2a (test for excess errors) FAIL: c-c++-common/attr-retain-8.c -std=gnu++98 (test for excess errors) FAIL: c-c++-common/attr-retain-9.c -Wc++-compat (test for excess errors) FAIL: c-c++-common/attr-retain-9.c -std=gnu++14 (test for excess errors) FAIL: c-c++-common/attr-retain-9.c -std=gnu++17 (test for excess errors) FAIL: c-c++-common/attr-retain-9.c -std=gnu++2a (test for excess errors) FAIL: c-c++-common/attr-retain-9.c -std=gnu++98 (test for excess errors)