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Re: [PATCH] Repair __builtin_setjmp/__builtin_longjmp


> > This sounds to much like an undocumented extension for my
> > liking.  Past experience has shown that these are a bad thing.
>
> For example, http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9539

No, it doesn't count, please read again comment #3.  Pascal posted a C 
testcase because folks generally favor them over Ada testcases, but the 
problem comes again from the GNAT internals.

In fact, as demonstrated by this, it is nice to have implementation builtins 
exposed because you can easily write small testcases in C for them, instead 
of convoluted ones in a less widespread language.

-- 
Eric Botcazou


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