[PATCH] implement -fno-short-wchar option

[Rafael Espíndola]

LGTM

On 24 February 2014 10:55, Richard Barton <richard.barton at arm.com> wrote:
> Hello reviewers
>
> The attached patch implements the -fno-short-wchar option for clang.
>
> I have followed the model for -fshort-wchar by only adding it to the cc1
> line if it is actually asked for, and leaving the default to sort itself
> out.
>
> Testing added to show that it generates the right compiler defines when put
> down. This only checks __SIZEOF_WCHAR_T and __WCHAR_T_WIDTH as the other two
> are different depending on whether the default is signed or unsigned. There
> is also a new test to make sure they turn each other off.
>
> Please review
>
> Thanks
> Rich
>
> Richard Barton
> Staff Engineer - LLVM
> ARM Ltd, Cambridge
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