[PATCH] D16310: new clang-tidy checker misc-long-cast

[Aaron Ballman via cfe-commits]

On Wed, Feb 10, 2016 at 3:23 AM, Daniel Marjamäki
<Daniel.Marjamaki at evidente.se> wrote:
>
> That is intentional.. you can't get overflow with / , % , & , | , etc...

You can get overflow with / and %. Consider:

int i = INT_MIN / -1; // similar for %

~Aaron

>
> ..................................................................................................................
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> ________________________________________
> Från: Richard [legalize at xmission.com]
> Skickat: den 10 februari 2016 07:28
> Till: Daniel Marjamäki; aaron.ballman at gmail.com; alexfh at google.com
> Kopia: legalize at xmission.com; eugene.zelenko at gmail.com; cfe-commits at lists.llvm.org
> Ämne: Re: [PATCH] D16310: new clang-tidy checker misc-long-cast
>
> LegalizeAdulthood added inline comments.
>
> ================
> Comment at: clang-tools-extra/trunk/clang-tidy/misc/MisplacedWideningCastCheck.cpp:21-23
> @@ +20,5 @@
> +void MisplacedWideningCastCheck::registerMatchers(MatchFinder *Finder) {
> +  auto Calc = expr(anyOf(binaryOperator(anyOf(
> +                             hasOperatorName("+"), hasOperatorName("-"),
> +                             hasOperatorName("*"), hasOperatorName("<<"))),
> +                         unaryOperator(hasOperatorName("~"))),
> ----------------
> Sorry for the late observation, but why doesn't this check for `%` and `/` operators?
>
>
> Repository:
>   rL LLVM
>
> http://reviews.llvm.org/D16310
>
>
>