[Bug tree-optimization/33915] New: iv folding fails with pointer iterations

[dj at redhat dot com]

void
cyg_hal_plf_serial_write(void* __ch_data, const unsigned char* __buf,
                         unsigned long __len)
{
    while(__len-- > 0)
        cyg_hal_plf_serial_putc(__ch_data, *__buf++);
}
cc1 -O3 -mcpu=m32c dj.c

fails in build2_stat trying to add two pointers.
See also http://gcc.gnu.org/ml/gcc/2007-10/msg00435.html


-- 
           Summary: iv folding fails with pointer iterations
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: rakdver at kam dot mff dot cuni dot cz
        ReportedBy: dj at redhat dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: m32c-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33915