2015-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

c/
        * c-decl.c (warn_cxx_compat_finish_struct): New parameters code, record_loc.
        Warn for empty struct.
        (finish_struct): Pass TREE_CODE(t) and loc to warn_cxx_compat_finish_struct.

testsuite/
        * gcc.dg/Wcxx-compat-22.c: New testcase.
        * c-c++-common/Wsizeof-pointer-memaccess1.c: Pass -Wno-c++-compat.
        * c-c++-common/Wsizeof-pointer-memaccess2.c: Likewise.
        * c-c++-common/pr58346-1.c: Likewise.
        * c-c++-common/transparent-union-1.c: Likewise.

From-SVN: r224083