[Bug c++/13648] New: [tree-ssa] offsetof() with a nested struct member fails to compile in a constant-expression

["bryner at brianryner dot com" <gcc-bugzilla at gcc dot gnu dot org>]

This appears to be a new regression on the tree-ssa branch.  Writing:

const int i = offsetof(A, b.c);

gives this error:

error: `.' cannot appear in a constant-expression

The problem also appears to be C++-specific.

-- 
           Summary: [tree-ssa] offsetof() with a nested struct member fails
                    to compile in a constant-expression
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bryner at brianryner dot com
                CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13648