[Bug c++/47302] New: ICE: same canonical type node for different types char [(A::value ? 1 : 2)] and char [1] with -fabi-version=1

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47302

           Summary: ICE: same canonical type node for different types char
                    [(A<int>::value ? 1 : 2)] and char [1] with
                    -fabi-version=1
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: zso...@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 22971
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22971
reduced testcase (from g++.dg/template/array11.C)

Compiler output:
$ gcc -fabi-version=1 testcase.C 
testcase.C:10:25: internal compiler error: same canonical type node for
different types char [(ffff<int>::value ? 1 : 2)] and char [1]
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r168785 - crash
4.5 r168785 - crash
4.4 r168785 - crash