[Bug middle-end/100839] -O2 does dangerous optimizations using FMA (please don't break my cross product)

[metalcaedes at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100839

Daniel Gibson <metalcaedes at gmail dot com> changed:

           What    |Removed                     |Added
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         Resolution|INVALID                     |FIXED

--- Comment #4 from Daniel Gibson <metalcaedes at gmail dot com> ---
Nope.

1. -std=c++11 doesn't make a difference, just tested it on compiler explorer.
2. What's the point of -Ofast ("It also enables optimizations that are not
valid for all standard-compliant programs.") if the normal optimization levels
already violate the standard?