[tree-ssa] Can't build gcc 20040328 on cygwin: libstdc++-v3/include/ext/pool_allocator.h:299: internal compiler error: verify_stmts failed

[law@redhat.com]

In message <200403271822.i2RIM6T31814@makai.watson.ibm.com>, David Edelsohn wri
tes:
 >> /usr/local/src/gcc-binutils/branch/objdir/i686-pc-cygwin/libstdc++-v3/inclu
 >de/ext/pool_allocator.h:299: error: Invalid operand to binary operator
 >(int<D2>)__n<D10755>_17;
 >> /usr/local/src/gcc-binutils/branch/objdir/i686-pc-cygwin/libstdc++-v3/inclu
 >de/ext/pool_allocator.h:299: internal compiler error: verify_stmts failed.
 >
 >> Any ideas?
 >
 >	The merge seems to have brought in either a change in C++ code
 >generation or use of a new idiom in libstdc++-v3 that evokes a known bug
 >in Tree-SSA.  This also broke Tree-SSA libstdc++-v3 bootstrap on PowerPC
 >for some ABIs.  See Bugzilla PR 14682.
I'll get to it early next week.  There's a couple of approaches I'm still
evaluating for fixing this problem.

jeff