[llvm-bugs] [Bug 51411] Semantic error - - different output are observed on changing flags

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Aug 9 03:25:54 PDT 2021


Roman Lebedev <lebedev.ri at gmail.com> changed:

           What    |Removed                     |Added
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED
                 CC|                            |lebedev.ri at gmail.com,
                   |                            |scanon at apple.com

--- Comment #1 from Roman Lebedev <lebedev.ri at gmail.com> ---
This seems to be working as intended.
`-ffast-math` implies `-fno-honor-infinities`,
which specifies that the result of an FP computation can not be inf,
so naturally, if you were expecting to end up with an inf,
that's UB.

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