../common/gmatch.c:44:4: error: this statement may fall through [-Werror=implicit-fallthrough=]
p += n
^
../common/gmatch.c:131:3: note: in expansion of macro 'Popwchar'
Popwchar(p, c);
^~~~~~~~
../common/gmatch.c:133:2: note: here
default:
^~~~~~~
../common/reg_compile.c:399:8: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (c >= '1' && c <= '9') {
^
../common/reg_compile.c:410:3: note: here
defchar:
^~~~~~~
cc1: all warnings being treated as errors