[flang-commits] [flang] Reland "[flang] Inline hlfir.dot_product. (#123143)" (PR #123385)

[Slava Zakharin via flang-commits]

vzakhari wrote:

@preames thank you for reporting the issue.
It seems to reproduce only with GCC>=11.  I changed the declaration of the function to satisfy the requirements for calling the move constructor for the result.

https://github.com/llvm/llvm-project/pull/123385