[PATCH] libiberty: Add support for 'in' and 'in ref' storage classes.

[Jeff Law]

On Fri, 2020-08-07 at 13:32 +0200, Iain Buclaw via Gcc-patches wrote:
> Hi,
> 
> This patch adds support for 'in' as a first-class storage class with its
> own mangle symbol, of which also permits 'in ref'.  Previously, 'in' was
> an alias to 'const [scope]', which is a type constructor.
> 
> The mangle symbol repurposed for this is 'I', which was originally used
> by identifier types.  However, while TypeIdentifier is part of the
> grammar, it must be resolved to some other entity during the semantic
> passes, and so shouldn't appear anywhere in the mangled name.
> 
> OK for mainline?
> 
> Regards
> Iain.
> 
> ---
> libiberty/ChangeLog:
> 
> 	* d-demangle.c (dlang_function_args): Handle 'in' and 'in ref'
> 	parameter storage classes.
> 	(dlang_type): Remove identifier type.
> 	* testsuite/d-demangle-expected: Update tests.
OK
jeff
>