On Fri, Apr 14, 2017 at 10:46 AM, Nathan Froyd <nfr...@mozilla.com> wrote:
> With these options, you get a browser that runs quickly (i.e. no DEBUG
> assertions in C++ code), but still lets you debug the Rust code you
> might be working on, ideally with faster compile times than you might
> get otherwise.  --enable-debug implies --enable-debug-rust, of course.

>From my reading of config/rules.mk and experience it looks like
--enable-rust-debug does not disable optimizations in Rust code. With
opt-level=1 Rust still doesn't have a great debugging experience (the
compiler mostly seems to think things are optimized out).

-Jeff
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