Fix d s_hat #8065

Job	Run time
Build SU2 (BaseMPI)	13m 10s
Build SU2 (ReverseMPI)	14m 23s
Build SU2 (ForwardMPI)	11m 51s
Build SU2 (BaseNoMPI)	7m 41s
Build SU2 (ReverseNoMPI)	12m 28s
Build SU2 (ForwardNoMPI)	9m 49s
Build SU2 (BaseOMP)	7m 48s
Build SU2 (ReverseOMP)	15m 19s
Build SU2 (ForwardOMP)	10m 12s
Build SU2 (asan) (BaseNoMPI-asan)	16m 23s
Build SU2 (asan) (ReverseNoMPI-asan)	44m 14s
Build SU2 (tsan) (BaseOMP-tsan)	11m 56s
Build SU2 (tsan) (ReverseOMP-tsan)	29m 12s
Regression Tests (vandv.py)	2m 19s
Regression Tests (tutorials.py)	4m 35s
Unit Tests (test_driver)	49s
Regression Tests (parallel_regression.py)	13m 31s
Unit Tests (test_driver_AD)	52s
Regression Tests (parallel_regression_AD.py)	9m 45s
Unit Tests (test_driver_DD)	1m 25s
Regression Tests (serial_regression.py)	15m 44s
Regression Tests (serial_regression_AD.py)	5m 53s
Regression Tests (hybrid_regression.py)	10m 53s
Regression Tests (hybrid_regression_AD.py)	4m 5s
Thread Sanitizer Tests (hybrid_regression.py)	27m 10s
Thread Sanitizer Tests (hybrid_regression_AD.py)	12m 15s
Address Sanitizer Tests (serial_regression.py)	15m 33s
Address Sanitizer Tests (serial_regression_AD.py)	6m 30s
	5h 35m 45s

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