[clang] [llvm] [IR] Allow non-constrained math intrinsics in strictfp functions (PR #188297)

[Serge Pavlov via cfe-commits]

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@@ -28045,13 +28174,6 @@ Constrained FP intrinsics are used to support non-default rounding modes and
 accurately preserve exception behavior without compromising LLVM's ability to
 optimize FP code when the default behavior is used.
 
-If any FP operation in a function is constrained then they all must be
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spavloff wrote:

Put that paragpah back.

https://github.com/llvm/llvm-project/pull/188297