3 /* sign_bit_p() in fold-const.c failed to notice that (int) 0x80000000
4 was the sign bit of m. As a result, fold_single_bit_test()
5 returned ((unsigned int) m >> 31), and that was eventually passed
6 to invert_truthvalue(), which did not know how to handle
7 RROTATE_EXPR, causing an ICE. */
12 return !(m & ((int) 0x80000000));