json: Store short arrays in-place. #3283

Job	Run time
linux rpm fedora	4m 2s
linux deb no dpdk	6m 38s
libreswan (ubuntu-24.04)	2m 35s
dpdk gcc (ubuntu-24.04)	1m 43s
build oss-fuzz fuzzers	2m 55s
osx clang --disable-ssl	1m 33s
clang-analyze-cache	10m 46s
linux gcc --disable-ssl	3m 35s
linux clang --disable-ssl	3m 0s
linux gcc c99	2m 57s
linux clang c99	4m 34s
linux gcc test	8m 43s
linux clang address,undefined test	17m 46s
linux gcc test --enable-shared	11m 24s
linux clang test --enable-shared	11m 36s
linux gcc check check-dpdk dpdk	20m 50s
linux clang check check-dpdk dpdk	21m 0s
linux gcc test -ljemalloc	9m 0s
linux clang test -ljemalloc	9m 16s
linux gcc --enable-afxdp	3m 13s
linux clang --enable-afxdp	2m 36s
linux gcc dpdk --enable-shared	3m 43s
linux clang dpdk --enable-shared	3m 51s
linux gcc dpdk-shared	2m 54s
linux clang dpdk-shared	3m 4s
linux gcc dpdk-shared --enable-shared	4m 4s
linux clang dpdk-shared --enable-shared	3m 56s
linux gcc m32 --disable-ssl	4m 32s
linux gcc check-ovsdb-cluster	8m 6s
linux gcc check-kernel -100	12m 27s
linux gcc check-kernel 100-	16m 56s
linux clang address,undefined check-kernel -100	13m 25s
linux clang address,undefined check-kernel 100-	20m 38s
linux gcc check-offloads -100	11m 31s
linux gcc check-offloads 100-	12m 46s
linux gcc dpdk check-system-userspace	13m 1s
linux clang address,undefined dpdk check-system-userspace	19m 9s
linux gcc dpdk check-system-tso	12m 37s
linux gcc dpdk check-afxdp	13m 33s
clang-analyze	10m 47s
	5h 50m 42s

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