[cxx-abi-dev] Literal operator functions with 'li<length, ID>'

[Mike Herrick]

Hi,

It appears that this patch for user-defined literals hasn't been applied to the document (though it is used by at least g++ and clang).

On Jun 5, 2011, at 4:11 AM, Sean Hunt <scshunt at csclub.uwaterloo.ca> wrote:

> Hi,
> 
> I don't know where to find the document to patch against, but I'd like to suggest that the line
> 
> 		  ::= li <source-name>	# "" <source-name>
> 
> be added somewhere amongst the productions for <operator-name> in 5.1.3 since it's not yet in the document.

Additionally, how about a case like this:

int operator "" _w(const char*);
template <class T> auto f(T p1) -> decltype(123_w, p1);
int main() {
  f(456_w);
}

Clang gives a mangling of _Z1fIiEDTcmclL_Zli2_wPKcELA4_cEEfp_ET_, but g++ aborts on this case.  I don't believe I've seen a discussion of this.

Thanks,

Mike Herrick
Edison Design Group