[Bug c/13210] \u and \U will cause compile error

[hai dot ling at philips dot com]

------- Additional Comments From hai dot ling at philips dot com  2003-11-28 01:34 -------
(In reply to comment #1)
> *None* of the escape sequences you have written in your sample code are 
valid. 
> You get a different error message for \u and \U than the others, because (in
> C99) those can *begin* valid escape seqences -- but they are not valid by
> themselves.
> If you describe what you are trying to do with this bizarre code, we can maybe
> tell you what it should look like.

but why this source code can pass the compilation in gcc2.95 but failed in tree-
ssa? Is there any different between gcc and tree-ssa in the C version or 
standard they support?

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13210