[PATCH] D51902: [SanitizerCoverage] Create comdat for global arrays.

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis added a comment.

Btw what if getUniqueModuleId returns ""? It may happens for files without external symbols.
I think we need to fall back to  non-GCed counters.


https://reviews.llvm.org/D51902