Silence clang analyzer warnings #4511

Job	Run time
build-ubuntu-latest-full-featured-clang	1m 2s
build-ubuntu-latest-full-featured-gcc	52s
build-ubuntu-latest-gcc-static	1m 10s
build-ubuntu-latest-clang-analyzer	1m 11s
build-ubuntu-latest-minimal-clang	58s
build-ubuntu-latest-minimal-gcc	40s
build-ubuntu-latest-pcp	35s
build-dragonflybsd-latest-gcc	2m 59s
build-freebsd-latest-clang	2m 45s
build-macos-latest-clang	38s
build-netbsd-latest-gcc	3m 20s
build-ubuntu-latest-clang-sanitizer	1m 11s
build-openbsd-latest-clang	2m 42s
build-solaris-latest-gcc	3m 41s
lint-pcp-config	2s
lint-whitespace	5s
	23m 51s

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