[clang] [clang] Allow `ConditionalOperator` fast-math flags to be overridden by `pragma float_control` (PR #105912)

[John McCall via cfe-commits]

rjmccall wrote:

Are you suggesting that loads need to have fast-math flags attached to them?  Because this sounds like a bad representation in IR.

https://github.com/llvm/llvm-project/pull/105912