build

Merge pull request #3330 from ian-pascoe:fix/generic-class-inheritance #4876

Job	Run time
compile (ubuntu-22.04, linux, linux-x64)	3m 29s
compile (macos-latest, darwin, darwin-arm64)	2m 20s
compile (windows-latest, windows, win32-x64)	3m 48s
compile (ubuntu-24.04-arm, linux, linux-arm64)	1m 55s
compile (macos-latest, darwin, darwin-x64)	1m 42s
compile (windows-latest, windows, win32-ia32)	3m 57s
	17m 11s

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