Reenable TCC testing on MacOS and hope it works #195

Job	Run time
testing (ubuntu-latest, clang)	39s
testing-sdcc (ds390)	15s
testing (ubuntu-latest, clang, -u)	30s
testing-sdcc (ds400)	8s
testing (ubuntu-latest, gcc)	29s
testing-sdcc (ez80_z80)	20s
testing (ubuntu-latest, gcc, -u)	19s
testing-sdcc (hc08)	11s
testing (ubuntu-latest, tcc)	21s
testing-sdcc (mcs51)	13s
testing (ubuntu-latest, tcc, -u)	22s
testing-sdcc (mos6502)	9s
testing (ubuntu-latest, pcc)	29s
testing-sdcc (pdk13)	22s
testing (ubuntu-latest, pcc, -u)	18s
testing-sdcc (pdk14)	8s
testing (macos-latest, clang)	1m 9s
testing-sdcc (pdk15)	16s
testing (macos-latest, clang, -u)	1m 3s
testing-sdcc (r2k)	17s
testing (macos-latest, gcc)	1m 10s
testing-sdcc (r2ka)	18s
testing (macos-latest, gcc, -u)	1m 1s
testing-sdcc (r3ka)	9s
testing (macos-latest, tcc)	1m 10s
testing-sdcc (s08)	10s
testing (macos-latest, tcc, -u)	1m 11s
testing-sdcc (sm83)	28s
testing-sdcc (stm8)	19s
testing-sdcc (tlcs90)	12s
testing-sdcc (z180)	13s
testing-sdcc (z80)	10s
testing-sdcc (z80n)	11s
	14m 40s

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