test

Fix buf error on interrupt. #346

Job	Run time
ruby-versions / Generate Ruby versions	4s
build-ibm (ubuntu-24.04-ppc64le)	33s
build-ibm (ubuntu-24.04-s390x)	31s
build (2.5 / ubuntu-latest)	29s
build (2.6 / ubuntu-latest)	34s
build (2.6 / windows-latest)	2m 21s
build (2.6 / macos-latest)	53s
build (2.5 / windows-latest)	2m 18s
build (2.7 / ubuntu-latest)	30s
build (3.3 / ubuntu-latest)	19s
build (4.0 / ubuntu-latest)	20s
build (3.0 / windows-latest)	1m 34s
build (3.0 / macos-latest)	39s
build (3.4 / macos-latest)	31s
build (3.1 / macos-latest)	24s
build (3.1 / ubuntu-latest)	15s
build (3.1 / windows-latest)	1m 43s
build (2.7 / windows-latest)	2m 16s
build (3.2 / ubuntu-latest)	18s
build (mingw / windows-latest)	1m 37s
build (3.4 / windows-latest)	1m 36s
build (4.0 / windows-latest)	1m 23s
build (2.7 / macos-latest)	43s
build (3.3 / macos-latest)	32s
build (truffleruby-head / macos-latest)	28s
build (3.2 / macos-latest)	17s
build (truffleruby-head / ubuntu-latest)	35s
build (4.0 / macos-latest)	40s
build (3.2 / windows-latest)	1m 32s
build (3.4 / ubuntu-latest)	19s
build (head / ubuntu-latest)	16s
build (mswin / windows-latest)	1m 34s
build (3.3 / windows-latest)	1m 27s
build (3.0 / ubuntu-latest)	15s
build (head / macos-latest)	27s
	30m 13s

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