Identify functions in a subgroup #4603

Job	Run time
Windows MSVC CMake REL TS	8m 56s
Windows MSVC CMake DBG TS	8m 57s
Windows MSVC CMake REL	17m 50s
Windows MSVC CMake DBG	18m 48s
Ubuntu gcc CMake REL TS	4m 29s
Ubuntu gcc CMake DBG TS	4m 40s
Ubuntu gcc CMake REL	10m 16s
Ubuntu gcc CMake DBG	9m 18s
Ubuntu gcc Autotools REL TS	6m 12s
Ubuntu gcc Autotools DBG TS	5m 58s
Ubuntu gcc Autotools REL	18m 41s
Ubuntu gcc Autotools DBG	17m 1s
Ubuntu gcc Autotools parallel (build only) REL TS	7m 27s
Ubuntu gcc Autotools parallel (build only) DBG TS	5m 19s
Ubuntu gcc Autotools parallel (build only) REL	8m 53s
Ubuntu gcc Autotools parallel (build only) DBG	7m 21s
MacOS Clang CMake REL TS	3m 36s
MacOS Clang CMake DBG TS	3m 8s
MacOS Clang CMake REL	15m 6s
MacOS Clang CMake DBG	11m 41s
Ubuntu gcc Autotools v1.6 default API (build only) DBG	9m 0s
Ubuntu gcc Autotools v1.8 default API (build only) DBG	9m 2s
Ubuntu gcc Autotools v1.10 default API (build only) DBG	9m 41s
Ubuntu gcc Autotools v1.12 default API (build only) DBG	10m 37s
Ubuntu gcc Autotools v1.14 default API (build only) DBG	8m 41s
Ubuntu gcc Autotools no deprecated symbols (build only) DBG	8m 34s
Ubuntu gcc Autotools -Werror (build only) DBG	8m 19s
Ubuntu gcc Autotools -Werror (build only) REL	7m 56s
Ubuntu gcc Autotools parallel -Werror (build only) DBG	7m 34s
Ubuntu gcc Autotools parallel -Werror (build only) REL	8m 42s
	4h 41m 43s

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