Merge pull request #665 from eregon/parse_broken_string #538

Job	Run time
Ruby memcheck	48s
ruby-versions / Generate Ruby versions	5s
ubuntu-22.04 2.7	1m 22s
ubuntu-22.04 3.0	29s
ubuntu-22.04 3.1	48s
ubuntu-22.04 3.2	29s
ubuntu-22.04 3.3	30s
ubuntu-22.04 head	1m 16s
ubuntu-22.04 jruby	1m 11s
ubuntu-22.04 jruby-head	1m 14s
macos-13 2.7	2m 11s
macos-13 3.0	48s
macos-13 3.1	41s
macos-13 3.2	40s
macos-13 3.3	35s
macos-13 head	28s
macos-13 jruby	1m 40s
macos-13 jruby-head	1m 31s
macos-14 2.7	1m 4s
macos-14 3.0	21s
macos-14 3.1	26s
macos-14 3.2	20s
macos-14 3.3	24s
macos-14 head	16s
macos-14 jruby	43s
macos-14 jruby-head	44s
windows-latest 2.7	4m 46s
windows-latest 3.0	2m 6s
windows-latest 3.1	2m 18s
windows-latest 3.2	2m 52s
windows-latest 3.3	3m 4s
windows-latest head	1m 13s
windows-latest mswin	1m 29s
ubuntu-latest jruby-9.4	1m 9s
macos-latest truffleruby-head	1m 6s
ubuntu-latest truffleruby-head	2m 3s
	43m 10s

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