8341708: Optimize safepoint poll encoding with smaller poll data offset #882

Job	Run time
Select platforms	1s
linux-x64-hs-zero	0s
linux-x64-hs-nopch	0s
linux-x86-hs	0s
alpine-linux-x64	0s
linux-cross-compile	0s
linux-x64-hs-minimal	0s
linux-x64-hs-optimized	0s
macos-aarch64	0s
macos-x64	0s
windows-aarch64	0s
windows-x64	0s
docs	0s
linux-x64 / build (debug)	31m 12s
linux-x64 / build (release)	36m 34s
macos-aarch64	0s
macos-x64	0s
windows-x64	0s
linux-x64 / test (jdk/tier1 part 1)	18m 53s
linux-x64 / test (jdk/tier1 part 2)	13m 18s
linux-x64 / test (jdk/tier1 part 3)	6m 47s
linux-x64 / test (langtools/tier1)	25m 38s
linux-x64 / test (hs/tier1 common)	2m 46s
linux-x64 / test (hs/tier1 compiler part 1)	14m 6s
linux-x64 / test (hs/tier1 compiler part 2)	12m 6s
linux-x64 / test (hs/tier1 compiler part 3)	27m 33s
linux-x64 / test (hs/tier1 compiler not-xcomp)	2m 14s
linux-x64 / test (hs/tier1 gc)	24m 7s
linux-x64 / test (hs/tier1 runtime)	21m 0s
linux-x64 / test (hs/tier1 serviceability)	13m 47s
linux-x64 / test (lib-test/tier1)	2m 11s
Remove bundle artifacts	7s
	4h 12m 20s

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