[PATCH] D111171: [lld][WebAssembly] Create optional internal symbols only after LTO object as been added

[Sam Clegg via Phabricator via llvm-commits]

sbc100 added a comment.

In D111171#3043704 <https://reviews.llvm.org/D111171#3043704>, @tlively wrote:

> How about if you create two LTO object files, one with -mattr=+atomics,+bulk-memory and one without, then link them together? In the combined bitcode, the presence of +atomics and +bulk-memory on the functions from the first object file will prevent that stripping from running, and you should get references to __tls_base from code originating in both object files.

Thanks for the tip.  Yes I think I'm somehow not setting `-mattr=+atomics,+bulk-memory` in the LTO object file.   In my test hand written `.ll` test case how do I enable those.. it seems not on the `llvm-as` command line?  I guess they are embedded in the `.ll` itself...


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