PR c++/28053
        * decl2.c (grokbitfield): Detect invalid non-integral 
        types earlier when possible.

        * g++.dg/parse/bitfield1.C: Adjust error markers.
        * g++.dg/parse/bitfield2.C: New test. 


Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r117910