[llvm-bugs] [Bug 39345] Conflicting definition/declaration errors from unused submodules

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=39345

David Blaikie <dblaikie at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED
                 CC|                            |dblaikie at gmail.com,
                   |                            |richard-llvm at metafoo.co.uk

--- Comment #1 from David Blaikie <dblaikie at gmail.com> ---
I believe that's intended behavior - the non-visible modules are considered to
be part of the program, even if they aren't used, and so subject to the ODR. I
believe the right approach if you need to support code like this is to ensure a
module with conflicting definitions is never imported - so perhaps making
smaller/narrower modules would be necessary.

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