[Bug tree-optimization/23049] [4.1 Regression] ICE with -O3 -ftree-vectorize on 4.1.x

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-07-24 
15:56 -------
The reduced testcase for the second one:
unsigned long CRCTab[256];
void InitCRC(void) {
  int I, J;
  unsigned long C;
  for (I=0; I<256; I++)
  {
    for (C=I,J=0;J<8;J++)
      C=(C & 1) ? (C>>1)^0xEDB88320L : (C>>1);
    CRCTab[I]=C;
  }
}


They do look like the same bug.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23049