[llvm-bugs] [Bug 234423] [InstCombine] Miscompilation where shrinking a double copysign to float can give a NaN the wrong sign

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Wed Oct 21 16:02:34 PDT 2026

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Previous message: [llvm-bugs] [Bug 234418] [InstCombine] Miscompilation where a select-shuffle fold keeps no-signed-zeros on the identity lanes it adds
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