[PING/RFA] Support CV-qualifiers when demangling pointer-to-member

[Klee Dienes]

Just wanted to ping the following RFA:

	http://gcc.gnu.org/ml/gcc-patches/2002-11/msg00439.html

It's a patch to accomodate the following change in GCC 3.1:

>   * The C++ ABI has been fixed so that `void (A::*)() const' is 
> mangled as
>     "M1AKFvvE", rather than "MK1AFvvE" as before.  This change only 
> affects
>     pointer to cv-qualified member function types.

Unfortunately, the matching change was never made to cp-demangle.c; the 
following patch adds support for it, and adds a test-case for the 
previously failing mangled string.  I'm by no means an expert at the 
internals of cp-demangle.c, so if someone else could double-check the 
patch (particularly how it handles the output of the CV-qualifier 
string), I'd really appreciate it.

2002-11-06  Klee Dienes  <kdienes@apple.com>

	* testsuite/demangle-expected: Add test-case for const
	pointer-to-member as argument to function (_Z1xM1sKFvvE).
	* cp-demangle.c (demangle_type_ptr): Add a recognizer for
	CV-qualifiers in the special-case code for pointer-to-member.

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