analysis of libiberty/cp-demangle.c for libsupc++/__cxa_demangle

[Mark Mitchell]

Ian Lance Taylor wrote:

> Benjamin Kosnik <bkoz@redhat.com> writes:
> So by my reading, when given something like _X11TransParseAddress
> which is not a valid mangled name, it is correct for __cxa_demangle()
> to return NULL with status set to -2.
> 
> What other reading could there be?

The ABI implies that you can feed an 'extern "C"' name to __cxa_demangle.

For example, it says that "i" should be demangled as "i".

It's hard (for me) to see how to get that without considering "i" a 
valid mangled name.

-- 
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com