[flang] IEEE_ARITHMETIC and IEEE_EXCEPTIONS intrinsic module procedures (#74138)
Implement a selection of intrinsic module procedures that involve
exceptions.
- IEEE_GET_FLAG
- IEEE_GET_HALTING_MODE
- IEEE_GET_MODES
- IEEE_GET_STATUS
- IEEE_LOGB
- [f23] IEEE_MAX, IEEE_MAX_MAG, IEEE_MAX_NUM, IEEE_MAX_NUM_MAG
- [f23] IEEE_MIN, IEEE_MIN_MAG, IEEE_MIN_NUM, IEEE_MIN_NUM_MAG
- IEEE_QUIET_EQ, IEEE_QUIET_GE, IEEE_QUIET_GT,
- IEEE_QUIET_LE, IEEE_QUIET_LT, IEEE_QUIET_NE
- IEEE_SET_FLAG
- IEEE_SET_HALTING_MODE
- IEEE_SET_MODES
- IEEE_SET_STATUS
- IEEE_SIGNALING_EQ, IEEE_SIGNALING_GE, IEEE_SIGNALING_GT,
- IEEE_SIGNALING_LE, IEEE_SIGNALING_LT, IEEE_SIGNALING_NE
- IEEE_SUPPORT_FLAG
- IEEE_SUPPORT_HALTING
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