Fix for type narrowing of negative integer literals #12393

Job	Run time
Test mypyc suite with 32-bit Python	7m 10s
Test suite with py38-ubuntu, mypyc-compiled	17m 10s
Test suite with py38-windows-64	20m 48s
Test suite with py39-ubuntu	15m 39s
Test suite with py310-ubuntu	15m 14s
Test suite with py311-ubuntu, mypyc-compiled	15m 10s
Test suite with py312-ubuntu, mypyc-compiled	17m 25s
mypyc runtime tests with py39-macos	4m 45s
mypyc runtime tests with py38-debug-build-ubuntu	4m 50s
Type check our own code (py38-ubuntu)	1m 48s
Type check our own code (py38-windows-64)	2m 31s
Formatting and code style with Black + ruff	45s
	2h 3m 15s

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