message: [XLA:CPU] Fix --xla_cpu_fast_math_honor_{infs,nans} flags.
  If --honor_infs is true, then NoInfsFPMath should be *false*.  Previously, this
  was backwards.
diff: @@ -424,9 +424,9 @@ llvm::TargetOptions CompilerTargetOptions(
  if (module_config.debug_options().xla_cpu_enable_fast_math()) {
  target_options.UnsafeFPMath = true;
  target_options.NoInfsFPMath =
  - module_config.debug_options().xla_cpu_fast_math_honor_infs();
  + !module_config.debug_options().xla_cpu_fast_math_honor_infs();
  target_options.NoNaNsFPMath =
  - module_config.debug_options().xla_cpu_fast_math_honor_nans();
  + !module_config.debug_options().xla_cpu_fast_math_honor_nans();
  target_options.NoSignedZerosFPMath = true;
  } else {
  target_options.UnsafeFPMath = false;
  