Cannot wrap around in popup_filter_menu() #310

Job	Run time
macos (tiny)	1m 40s
macos (normal)	7m 18s
macos (huge)	15m 34s
linux (tiny, clang, none)	1m 57s
linux (tiny, gcc, none)	1m 46s
linux (normal, clang, none)	8m 57s
linux (normal, gcc, none)	8m 6s
linux (huge, clang, none)	9m 17s
linux (huge, gcc, none)	14m 31s
linux (tiny, clang, nogui)	1m 35s
linux (tiny, gcc, nogui)	1m 31s
linux (huge, gcc, testgui, true, true)	12m 56s
linux (huge, clang, asan)	25m 37s
linux (huge, gcc, unittests, true)	2m 50s
linux (normal, gcc, vimtags)	2m 25s
windows (HUGE, msvc, no, no, x64)	7m 39s
windows (HUGE, mingw, yes, yes, x86, yes)	14m 16s
windows (HUGE, msvc, no, yes, x86)	9m 0s
windows (HUGE, mingw, yes, no, x64, yes)	10m 4s
windows (NORMAL, msvc, yes, no, x86)	9m 10s
windows (NORMAL, mingw, no, yes, x64)	11m 48s
windows (TINY, msvc, yes, yes, x64)	2m 54s
windows (TINY, mingw, no, no, x86)	6m 44s
	3h 7m 35s

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