[Bug d/90136] [d] Merge UDAs between function prototype and definitions

[ibuclaw at gdcproject dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90136

Iain Buclaw <ibuclaw at gdcproject dot org> changed:

           What    |Removed                     |Added
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   Target Milestone|---                         |9.0