[llvm-dev] [lldb-dev] Trying out lld to link windows binaries (using msvc as a compiler)

Andrew Kelley via llvm-dev llvm-dev at lists.llvm.org
Fri Jan 19 12:49:36 PST 2018

On Fri, Jan 19, 2018 at 3:47 PM, Zachary Turner <zturner at google.com> wrote:

> On Fri, Jan 19, 2018 at 12:30 PM Andrew Kelley <superjoe30 at gmail.com>
> wrote:
>> Zachary,
>> Do you generally recommend using -mllvm -emit-codeview-ghash-section and
>> /DEBUG:GHASH when linking for Windows?
> I definitely want you to try it out and let me know how it goes :)   It's
> behind the undocumented -emit-codeview-ghash-section for now until we have
> some more data indicating it's safe to make default.  I'd like to
> eventually make it the default, so that you won't have to specify anything
> on the compiler side other than /Z[i|7].
> So far I am not aware of any downsides of using -mllvm
> -emit-codeview-ghash-section and /DEBUG:GHASH (aside from a small increase
> in object file size).  But if you find any let me know.

Great, OK thanks.

I will turn it on in Zig, and as long as our tests keep passing, I'll keep
it on. I'll let you know if it breaks anything.
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