1 error: Undefined Behavior: `fsub_fast` intrinsic called with non-finite value as both parameters
2 --> $DIR/fast_math_both.rs:LL:CC
4 LL | ...: f32 = core::intrinsics::fsub_fast(f32::NAN, f32::NAN);
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `fsub_fast` intrinsic called with non-finite value as both parameters
7 = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
8 = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information
10 = note: inside `main` at $DIR/fast_math_both.rs:LL:CC
12 note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
14 error: aborting due to previous error