[llvm-bugs] [Bug 42949] __builtin_constant_p lowering is inconsistent, producing false-negatives

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42949

George Burgess <george.burgess.iv at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED

--- Comment #2 from George Burgess <george.burgess.iv at gmail.com> ---
So a huge hint at the reason we aren't doing better was sitting right in front
of me when I was looking at r359844, yet I didn't see it. :)

I agree that it's very likely that we don't want to do interprocedural analysis
in the frontend to (partially) support this, so I'm marking this as WAI.

Thank you!

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