[Bug driver/66293] New: Support -Weverything to enable all warnings

[sverd.johnsen at googlemail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66293

            Bug ID: 66293
           Summary: Support -Weverything to enable all warnings
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: driver
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sverd.johnsen at googlemail dot com
  Target Milestone: ---

clang supports -Weverything which simply enables all warnings. gcc should
introduce an equivalent option.