--export-file-local-symbols should also mangle static variables

[karkhaz]

Currently it only mangles static functions.

There is a workaround meanwhile, as long as we can change the file where the static variable is defined. Just write an accessor function (doesn't need to be static) that returns the static variable's value (for reading) or a pointer to it (for mutating). So this isn't a such a high-priority request.

[karkhaz]

@danielsn ping

[feliperodri]

@karkhaz is there any updates on this issue? Should we close it? @hannes-steffenhagen-diffblue is there anybody working on this issue?

[jimgrundy]

@markrtuttle can you please comment on soundness risk here? If there is any please add the soundness label.

[jimgrundy]

@markrtuttle (2nd request) can you please comment on soundness risk here? If there is any please add the soundness label.

[feliperodri]

Might be affected by #6339

[tautschnig]

This would have been addressed by #6339, but we instead decided to make crangler the tool to use for this kind of workflow.