[Bug c/16302] gcc fails to warn about some common logic errors

[trt at acm dot org]

------- Additional Comments From trt at acm dot org  2004-07-01 15:28 -------
It is not practical for gcc outsiders to submit patches,
the requirements are too exacting and complex.  E.g. see
http://gcc.gnu.org/ml/gcc-patches/2004-07/msg00072.html
which demands a testcase (something which is IMO unclear
in the "contributing" URL you gave).
It is unlikely my first (or second) attempt at a testcase
will be flawless.
Similarly, I am asked to document this warning
(which I find odd, since there are lots of undocumented -Wextra warnings).
Do I need to fix the "broken" existing warnings too?  The response was unclear.
The only requirement I can confidently handle is fixing the warning strings.
And are these *all* the requirements?  I doubt it.

On the other hand, such issues are trivial for veterans such as yourself.
Could you please handle this for me?  I would greatly appreciate it.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16302