Dear GCC Community,
I am currently encountering an issue with the -Wrange-loop-construct warning in 
GCC version 14, as well as in earlier versions. It appears that the warning is 
triggered incorrectly for certain loop constructs.
Issue Details:
I have tested the following code, which produces a warning with GCC/G++ 
suggesting the use of a reference:
Test Code:
Link to test code on Godbolt<https://godbolt.org/z/xM4K6s34E> (GCC produces 
warning)
For comparison, here is how Clang 18 handles the same code:
 Link to Clang result on Godbolt<https://godbolt.org/z/aYTxP7K9o>  (Clang 
handles correctly)
It seems that GCC/G++ might be checking for trivial copyability rather than 
trivial copy-constructibility, which could be contributing to the issue.
Questions:

  1.  Is this a known issue with the -Wrange-loop-construct option?
  2.  Am I possibly overlooking something in my usage of this option?

If this is a known issue, or if you require additional information, please let 
me know. Additionally, if it would be appropriate to create a formal bug report 
to track this, I would be happy to do so.
Thank you very much for your assistance and guidance.

Thanks,
Sunil Dora

Attachment: test.cpp.docx
Description: test.cpp.docx

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