[Bug target/112935] [14 Regression] Performance regression in Coremarks crcu8 function

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112935

--- Comment #10 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
For the original test case we get:

  x16_27 = _26 & 1;
  data_28 = data_15 >> 1;
  _29 = crc_18 >> 1;
  _21 = (short unsigned int) x16_27;
  _13 = _21 * 40961;

and tree_nonzero_bits fails to _21 is either 0 or 1, for some reason.