PATCH: PR c++/39188: G++ doesn't handle static anonymous union right

[Jason Merrill]

H.J. Lu wrote:

The C++ changes are OK, but why is

> 	* varasm.c (assemble_variable): Also check DECL_ASSEMBLER_NAME
> 	when globalizing a variable.

necessary? It looks like the variable will have DECL_NAME set.

Jason