Tests

Avoid treating `pass` and `...` as no-op for reachability #20057

Job	Run time
Test mypyc suite with 32-bit Python	9m 21s
Test suite with py314t-ubuntu, mypyc-compiled	16m 18s
Test suite with py311-ubuntu	9m 18s
Test suite with py310-ubuntu, mypyc-compiled	13m 36s
Test suite with py312-ubuntu	10m 12s
Parallel tests with py314-ubuntu, interpreted	24m 23s
Test suite with py313-ubuntu, mypyc-compiled	13m 33s
mypyc runtime tests with py310-ubuntu	5m 40s
Test suite with py314-windows-64	29m 1s
Formatting and code style with Black + ruff	1m 47s
Test suite with py314-ubuntu, mypyc-compiled	14m 30s
Parallel tests with py314-ubuntu, mypyc-compiled	28m 43s
Type check our own code (py310-windows-64)	2m 21s
Type check our own code (py310-ubuntu)	1m 40s
mypyc runtime tests with py313-macos	7m 12s
	3h 7m 35s

Provide feedback