[Bug c++/46304] [4.5 Regression] g++ crashes with ICE in bitmap_first_set_bit, at bitmap.c:770

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46304

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |NEW
         AssignedTo|rguenth at gcc dot gnu.org  |unassigned at gcc dot
                   |                            |gnu.org

--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-05 11:20:00 UTC ---
Hm.  In 4.6 two different COMPLEX_EXPRs are built by tsubst, via
cp_build_binary_op (PLUS_EXPR, ...).  In 4.5 we end up with a COMPLEX_EXPR
at tsubst time which we don't handle explicitly but pass through from
tsubst_copy default case (which would ICE on trunk).

Jason?