TIP #455 proposed implementation #153

Job	Run time
gcc	12m 31s
msvc	9m 49s
gcc (CFLAGS=-DTCL_UTF_MAX=3)	12m 7s
msvc (OPTS=utf16)	9m 44s
gcc (CFLAGS=-DTCL_NO_DEPRECATED=1)	12m 26s
msvc (CHECKS=nodep)	9m 36s
gcc (--disable-shared)	12m 32s
msvc (OPTS=static)	10m 30s
gcc (--enable-symbols)	12m 27s
msvc (OPTS=symbols)	10m 13s
gcc (--enable-symbols=mem)	13m 34s
msvc (OPTS=symbols STATS=compdbg,memdbg)	11m 55s
gcc (--enable-symbols=all)	13m 32s
	2h 30m 56s

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