Merge 8.7 #3873

Job	Run time
gcc	11m 57s
msvc	12m 20s
gcc (CFLAGS=-DTCL_NO_DEPRECATED=1)	13m 54s
gcc (--disable-shared)	15m 12s
msvc (CHECKS=nodep)	11m 21s
gcc (--enable-symbols)	17m 10s
msvc (OPTS=static)	14m 1s
msvc (OPTS=symbols)	10m 22s
gcc (--enable-symbols=mem)	21m 11s
msvc (OPTS=symbols STATS=compdbg,memdbg)	15m 16s
gcc (--enable-symbols=all)	16m 30s
	2h 39m 14s

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