Merge 8.7 - Bug [d5d03207ca] - Tcl hang on zipfs writes greater than … #3859

Job	Run time
gcc	12m 41s
gcc (CFLAGS=-DTCL_NO_DEPRECATED=1)	18m 50s
msvc	13m 46s
gcc (--disable-shared)	16m 34s
msvc (CHECKS=nodep)	14m 37s
gcc (--enable-symbols)	17m 8s
msvc (OPTS=static)	15m 11s
gcc (--enable-symbols=mem)	17m 34s
msvc (OPTS=symbols)	14m 12s
gcc (--enable-symbols=all)	19m 7s
msvc (OPTS=symbols STATS=compdbg,memdbg)	17m 26s
	2h 57m 6s

Provide feedback