[Bug go/65134] gccgo ignores the attribute "constructor" in a subdirectory

[ian at airs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65134

--- Comment #3 from Ian Lance Taylor <ian at airs dot com> ---
In principle, sure.  In practice, since it's an exported variable, the compiler
would have to see the entire program, which can't happen at present.  If it
ever can, then something else would have to be done.