[cfe-commits] [PATCH] PR11778 Switch promotions working properly

[David Blaikie]

Could you include the test cases in your patch?

On Tue, Aug 28, 2012 at 1:11 PM, Ahmed Charles <acharles at outlook.com> wrote:
> This makes switch statements like the following compile:
>
> int f1(char c) { switch(c) { case 256: case 0: return 1; } return 0; }
> int f2(unsigned char c) { switch(c) { case 256: case 0: return 1; } return
> 0; }
> int f3(char c) { switch(c) { case 255 ... 256: case 0: return 1; } return 0;
> }
> int f3(unsigned char c) { switch(c) { case 255 ... 256: case 0: return 1; }
> return 0; }
>
> The condition in the switch statement undergoes integer promotions,
> therefore the above should compile, but doesn't. This also adds a warning
> which tells the user when a case can't be reached.
>
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