I'm still confused by the way it's become fashionable lately to bash optimizing compilers, of all things. They're important!
@cr88192 @scottmichaud People assume surprising optzns are just "max performance at all cost" and can be discarded, but that's often wrong.
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@pcwalton@scottmichaud also possible would be expanding on the semantics rules to better define the limits of what is expected/acceptable. -
@pcwalton@scottmichaud ex: some had argued for signed ((x<<8)>>8)=>x, since sgn >> is UB, but code may rely on it for signed 24-bit values.
End of conversation
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