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Примеры ошибок, обнаруженных с помощью диагностики V684


V684. A value of variable is not modified. Consider inspecting the expression. It is possible that '1' should be present instead of '0'.

V8 JavaScript Engine

V684 A value of the variable '* (cases - 1)' is not modified. Consider inspecting the expression. It is possible that '1' should be present instead of '0'. ucol.cpp 4941


U_CFUNC int32_t U_CALLCONV
ucol_calcSortKey(....)
{
  ....
  if((caseBits & 0xC0) == 0) {
    *(cases-1) |= 1 << (--caseShift);
  } else {
    *(cases-1) |= 0 << (--caseShift);
  ....
}

Similar errors can be found in some other places:

  • V684 A value of the variable '* (cases - 1)' is not modified. Consider inspecting the expression. It is possible that '1' should be present instead of '0'. ucol.cpp 4948
  • V684 A value of the variable 'caseByte' is not modified. Consider inspecting the expression. It is possible that '1' should be present instead of '0'. ucol.cpp 6201
  • V684 A value of the variable 'caseByte' is not modified. Consider inspecting the expression. It is possible that '1' should be present instead of '0'. ucol.cpp 6212

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