Make floating-point abs IEEE 754 compliant
The old code used by via-C backend didn't handle the sign bit of NaN. See #21043.
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- compiler/GHC/Driver/Config/StgToCmm.hs 0 additions, 2 deletionscompiler/GHC/Driver/Config/StgToCmm.hs
- compiler/GHC/StgToCmm/Config.hs 0 additions, 1 deletioncompiler/GHC/StgToCmm/Config.hs
- compiler/GHC/StgToCmm/Prim.hs 2 additions, 39 deletionscompiler/GHC/StgToCmm/Prim.hs
- testsuite/tests/codeGen/should_run/all.T 1 addition, 3 deletionstestsuite/tests/codeGen/should_run/all.T
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