Fixed incorrect output in environments lacking native `bool` type sup… #425

Job	Run time
codecov	36s
fuzzing	5m 41s
linux_archs (i386)	1m 31s
linux_checks (Debug, Default, Valgrind)	1m 6s
linux_archs (arm32v7)	10m 58s
linux_clang_latest	1m 24s
linux_checks (Debug, Default, Sanitizer)	1m 10s
linux_archs (arm64v8)	9m 16s
linux_checks (Debug, ReduceBinary, Valgrind)	1m 14s
linux_checks (Debug, ReduceBinary, Sanitizer)	1m 15s
linux_gcc_latest	1m 28s
linux_gcc4	1m 4s
linux_checks (Release, Default, Valgrind)	1m 21s
linux_archs (ppc64le)	9m 9s
linux_checks (Release, Default, Sanitizer)	1m 27s
linux_checks (Release, ReduceBinary, Valgrind)	1m 26s
linux_gcc5_i386	1m 22s
linux_archs (s390x)	8m 56s
linux_checks (Release, ReduceBinary, Sanitizer)	1m 9s
linux_opts (gcc, no_fp)	35s
linux_checks (MinSizeRel, Default, Valgrind)	1m 14s
linux_opts (gcc, no_reader)	20s
linux_archs (riscv64)	11m 22s
linux_tinycc	29s
linux_opts (gcc, no_writer)	37s
linux_checks (MinSizeRel, Default, Sanitizer)	1m 39s
linux_opts (gcc, no_utf8)	49s
linux_checks (MinSizeRel, ReduceBinary, Valgrind)	1m 0s
linux_opts (clang, no_fp)	37s
macos_clang	1m 46s
windows_msvc	1m 22s
linux_opts (clang, no_reader)	16s
linux_opts (clang, no_writer)	46s
linux_checks (MinSizeRel, ReduceBinary, Sanitizer)	1m 0s
linux_opts (clang, no_utf8)	51s
	1h 26m 16s

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