[csmith-project/csmith] 05b1f8: disallow structs containing bit-fields inside unio...

[Xuejun Yang <jxyang@cs.utah.edu>]

  Branch: refs/heads/master
  Home:   https://github.com/csmith-project/csmith

  Commit: 05b1f8104615ecf989197662ddee399c677d694a
      https://github.com/csmith-project/csmith/commit/05b1f8104615ecf989197662ddee399c677d694a
  Author: Xuejun Yang <jxyang@cs.utah.edu>
  Date:   2011-08-20 (Sat, 20 Aug 2011)

  Changed paths:
    M src/Type.cpp

  Log Message:
  -----------
  disallow structs containing bit-fields inside unions

C99 gives too much freedom to how to pack bit-fields. Allowing structs containing bit-fields inside unions
and allowing writing to one union field then reading from another compatible union fields have produced random programs with ambiguous meanings.