What is gdb.base/structs2.exp actually testing?

[Andrew Cagney]

> the subject already contains the question.  What is the structs2 test
> good for?  It's really not clear to me.  There's a PR 13536 mentioned
> in the first line of structs2.c but this is a PRMS number and searching
> the gdb-patches archive didn't give me any useful hint.  Is PRMS still
> accessible somewhere?

FYI, PRMS in this context is a reference to Cygnus's old old _internal_ 
bug database :-(.  Those references need to be deleted.

Daniel wrote:
> Personally, that seems like a very dubious optimization for GCC to be
> making at -O0... we can't change the calling convention at -O0, so the
> arguments are there, so GCC ought to emit enough information for us to
> find them.  You didn't mention what compiler version you're testing
> with...
yes.

Andrew