Michaelrfairhurst/compatible types performance fix alt #3582

Job	Run time
Prepare CodeQL unit test matrix	7s
Run unit tests (cpp, 2.19.4, codeql-cli/v2.19.4, codeql-bundle-v2.19.4, ubuntu-latest-xl, codeql-...	1h 38m 37s
Run unit tests (c, 2.19.4, codeql-cli/v2.19.4, codeql-bundle-v2.19.4, ubuntu-latest-xl, codeql-cl...	36m 59s
Validate test results	3s
	2h 15m 46s

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