hsmhsm added a comment.

In D75402#1901361 <https://reviews.llvm.org/D75402#1901361>, @hliao wrote:

> BTW, why that variable cannot have an initializer? Suppose that initializer 
> is a trivial one, initializing to 0, would that cause any issue in the 
> compilation?


Initialization makes the global extern var declaration to become a global 
definition. And. moreover, it is not a new change from my side, I just happen 
to add a comment.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75402/new/

https://reviews.llvm.org/D75402



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