[PATCH] Don't restrict legal UCNs when preprocessing assembly

[Richard Smith]

Please provide a testcase.


On Fri, Oct 18, 2013 at 5:43 PM, Justin Bogner <mail at justinbogner.com>wrote:

> The C and C++ standards disallow using universal character names to
> refer to some characters, such as basic ascii and control characters,
> so we reject these sequences in the lexer. However, when the
> preprocessor isn't being used on C or C++, it doesn't make sense to
> apply these restrictions.
>
> Notably, accepting these characters avoids issues with unicode escapes
> when GHC uses the compiler as a preprocessor on haskell sources.
>
> Okay to commit?
>
>
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