Tests

[mypyc] Do not emit tracebacks with negative line numbers #20368

Job	Run time
Test mypyc suite with 32-bit Python	9m 15s
Test suite with py312-ubuntu	9m 48s
Test suite with py310-ubuntu, mypyc-compiled	15m 45s
Test suite with py314t-ubuntu, mypyc-compiled	17m 25s
Parallel tests with py314-ubuntu, mypyc-compiled	28m 33s
mypyc runtime tests with py310-ubuntu	5m 27s
Formatting and code style with Black + ruff	1m 47s
Test suite with py314-ubuntu, mypyc-compiled	14m 33s
Parallel tests with py314-ubuntu, interpreted	23m 17s
Type check our own code (py310-windows-64)	2m 43s
Type check our own code (py310-ubuntu)	1m 44s
mypyc runtime tests with py313-macos	5m 51s
Test suite with py314-windows-64	27m 29s
Test suite with py311-ubuntu	9m 36s
Test suite with py313-ubuntu, mypyc-compiled	14m 50s
	3h 8m 3s

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