tests/wast/spec/f32.wast fails with LLVM on rv64gc target

[marxin]

Likely started failing after #5796 got merged into main.

---- wast::spec::f32::llvm::llvm stdout ----
Running wast `tests/wast/spec/f32.wast`
Error: Failed directives on tests/wast/spec/f32.wast:
  • expected Core(F32(ArithmeticNan)), got F32(NaN) (4288675840) (2456:1)
  • expected Core(F32(ArithmeticNan)), got F32(NaN) (2141192192) (2458:1)
  • expected Core(F32(ArithmeticNan)), got F32(NaN) (4288675840) (2476:1)
  • expected Core(F32(ArithmeticNan)), got F32(NaN) (2141192192) (2478:1)
  • expected Core(F32(ArithmeticNan)), got F32(NaN) (4288675840) (2496:1)
  • expected Core(F32(ArithmeticNan)), got F32(NaN) (2141192192) (2498:1)
  • expected Core(F32(ArithmeticNan)), got F32(NaN) (4288675840) (2516:1)
  • expected Core(F32(ArithmeticNan)), got F32(NaN) (2141192192) (2518:1)


---- wast::spec::f64::llvm::llvm stdout ----
Running wast `tests/wast/spec/f64.wast`
Error: Failed directives on tests/wast/spec/f64.wast:
  • expected Core(F64(ArithmeticNan)), got F64(NaN) (18443366373989023744) (2456:1)
  • expected Core(F64(ArithmeticNan)), got F64(NaN) (9219994337134247936) (2458:1)
  • expected Core(F64(ArithmeticNan)), got F64(NaN) (18443366373989023744) (2476:1)
  • expected Core(F64(ArithmeticNan)), got F64(NaN) (9219994337134247936) (2478:1)
  • expected Core(F64(ArithmeticNan)), got F64(NaN) (18443366373989023744) (2496:1)
  • expected Core(F64(ArithmeticNan)), got F64(NaN) (9219994337134247936) (2498:1)
  • expected Core(F64(ArithmeticNan)), got F64(NaN) (18443366373989023744) (2516:1)
  • expected Core(F64(ArithmeticNan)), got F64(NaN) (9219994337134247936) (2518:1)