xgsa marked 2 inline comments as done.
xgsa added inline comments.

================
Comment at: docs/clang-tidy/index.rst:253
 
+Generally, there is no need to suppress :program:`clang-tidy` diagnostics. If
+there are false positives, either a bug should be reported or the code should 
be
----------------
alexfh wrote:
> aaron.ballman wrote:
> > I don't agree with that initial statement's use of "generally" -- checks 
> > that are chatty live in clang-tidy, as are checks for various coding 
> > standards (which commonly have a  deviation mechanism). Also, I don't think 
> > we should encourage users to unconditionally report false positives as 
> > bugs; many of the coding standard related checks provide true positives 
> > that are annoying and users may want to deviate in certain circumstances 
> > (like CERT's rule banning use of `rand()` or `system()`). I would reword 
> > this to:
> > ```
> > While clang-tidy diagnostics are intended to call out code that does not 
> > adhere to a coding standard, or is otherwise problematic in some way, there 
> > are times when it is more appropriate to silence the diagnostic instead of 
> > changing the semantics of the code. In such circumstances, the NOLINT or 
> > NOLINTNEXTLINE comments can be used to silence the diagnostic. For example:
> > ```
> > I would also describe the comment syntax more formally as (my markdown may 
> > be incorrect, you should ensure this renders sensibly), with surrounding 
> > prose:
> > ```
> > *lint-comment:*
> >   *lint-command* *lint-args~opt~*
> >   
> > *lint-args:*
> >   `(` *check-name-list* `)`
> > 
> > *check-name-list:*
> >   *check-name*
> >   *check-name-list* `,` *check-name*
> > 
> > *lint-command:*
> >   `NOLINT`
> >   `NOLINTNEXTLINE`
> > ```
> > Specific to the prose mentioned above, you should document where the 
> > feature is tolerant to whitespace (can there be a space between NOLINT and 
> > the parens, what about inside the parens, how about after or before commas, 
> > etc).
> One little request from me: the documentation should recommend using 
> check-specific ways to mute diagnostics, if they are available (e.g. 
> bugprone-use-after-move can be silenced by re-initializing the variable after 
> it has been moved out, misc-string-integer-assignment can be suppressed by 
> explicitly casting the integer to char, readability-implicit-bool-conversion 
> can also be suppressed by using explicit casts, etc.). NOLINT(NEXTLINE)? 
> should be treated as the last resort, when fixing the code is infeasible or 
> impractical and there's no diagnostic-specific suppression mechanism 
> available.
Thank you for the examples of the check-specific mute ways, I have looked for 
that, but haven't found the good ones.


https://reviews.llvm.org/D40671



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