[Bug tree-optimization/16045] New: ICE fold check: original tree changed by fold

[belyshev at lubercy dot com]

these tests:

gcc.c-torture/compile/20020701-1.c
gcc.c-torture/compile/20020701-1.c
gcc.c-torture/execute/memcpy-bi.c
gcc.c-torture/execute/string-opt-14.c
gcc.c-torture/execute/string-opt-18.c
gcc.c-torture/execute/string-opt-7.c
gcc.dg/builtins-10.c
gcc.dg/builtins-10.c
gcc.dg/builtins-26.c
gcc.dg/builtins-26.c
gcc.dg/builtins-2.c
gcc.dg/builtins-2.c
gcc.dg/builtins-7.c
gcc.dg/builtins-7.c
gcc.dg/torture/builtin-explog-1.c
gcc.dg/torture/builtin-explog-1.c
gcc.dg/torture/builtin-integral-1.c
gcc.dg/torture/builtin-integral-1.c

are failing with 'internal compiler error: fold check: original tree changed by
fold' if gcc configured with --enable-checking=fold

-- 
           Summary: ICE fold check: original tree changed by fold
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Keywords: ice-checking
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: belyshev at lubercy dot com
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16045