Re: [PATCH 8.2+trunk 0/2] two small rust fixes

[Joel Brobecker <brobecker@adacore.com>]

Hi Tom,

> This series fixes a couple of small bugs I noticed while testing gdb
> against a version of the Rust compiler that emits DW_TAG_variant_part.
> See https://github.com/rust-lang/rust/issues/32920 for details of that.
> 
> While doing this I found a couple of bugs.  I'd like to put these on
> the 8.2 branch, because all the DW_TAG_variant_part stuff was slated
> for 8.2 and this gdb release is timely considering when the Rust
> compiler patch will land.
> 
> The first patch is obvious and just a test case thinko.
> 
> The second patch changes how DW_TAG_variant_part is handled in the
> DWARF reader.  I think this is reasonably safe as it is clearly
> targeted at just this tag, which currently is only really supported
> for Rust (Gnat can emit DW_TAG_variant_part with a special flag but
> this is not common and the gdb Ada support for this has not been
> implemented).
> 
> Let me know what you think.

No real comment on the first patch, as I don't know rust, but
the second one looks reasonable, for both master and 8.2.

Thanks!
-- 
Joel