static int
tstbit (unsigned b, charclass c)
{
  return c[b / INTBITS] & 1 << b % INTBITS;  /// <- HERE
}

static void
setbit (unsigned b, charclass c)
{
  c[b / INTBITS] |= 1 << b % INTBITS;  /// <- HERE
}

static void
clrbit (unsigned b, charclass c)
{
  c[b / INTBITS] &= ~(1 << b % INTBITS);  /// <- HERE
}

          if (labels[i][j] & 1 << k) /// <<- HERE

/public/src.git/external/gpl2/grep/dist/src/dfa.c:232:23: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
/public/src.git/external/gpl2/grep/dist/src/dfa.c:2206:25: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
/public/src.git/external/gpl2/grep/dist/src/dfa.c:226:29: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'