https://issues.dlang.org/show_bug.cgi?id=17255

          Issue ID: 17255
           Summary: Warning when compiling ddmd.backend/ptrntab.c about
                    type-punning
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: minor
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: bugzilla@digitalmars.com

Compiling produces a blizzard of these, all the same:

ddmd/backend/ptrntab.c:5773: warning: dereferencing type-punned pointer will break strict-aliasing rules

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