malcolm.parsons added inline comments.

================
Comment at: clang-tidy/modernize/UseAutoCheck.cpp:404
+                [](const Expr *Expr) { return Expr->getType(); },
+                "use auto when initializing with new to avoid "
+                "duplicating the type name");
----------------
aaron.ballman wrote:
> malcolm.parsons wrote:
> > aaron.ballman wrote:
> > > Quote use of `auto` and `new` in the diagnostic since they're syntax 
> > > rather than english.
> > A lot of clang-tidy diagnostics don't quote syntax/functions/types:
> > 
> > ```
> > "do not use reinterpret_cast"
> > "pass by value and use std::move"
> > "use nullptr"
> > "the shrink_to_fit method should be used "
> > "use std::move to transfer ownership"
> > "auto_ptr is deprecated, use unique_ptr instead"
> > "use auto when declaring iterators"
> > "use range-based for loop instead"
> > "use emplace_back instead of push_back"
> > "prefer a lambda to std::bind"
> > ...
> > ```
> clang-tidy hasn't always done a good job of following the conventions that 
> clang uses for its diagnostics, but the reason I pointed this wording out 
> specifically is because things like "new" are a valid word to use in an 
> English sentence too, which makes the diagnostic text harder to understand 
> without the quotes.
The diagnostic with 'new' isn't new.

Let's cleanup the diagnostics in another patch.


Repository:
  rL LLVM

https://reviews.llvm.org/D25316



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