Fix edgecase segfault of BigDecimal#remainder (#349) #455

Job	Run time
ruby-versions / Generate Ruby versions	3s
ubuntu-latest 3.3	36s
ubuntu-latest head	36s
ubuntu-latest 3.1	35s
ubuntu-latest 3.2	35s
ubuntu-latest 2.7	1m 4s
ubuntu-latest debug	45s
macos-latest 3.1	33s
macos-latest 3.0	28s
ubuntu-latest 3.4	33s
macos-latest 2.7	1m 21s
macos-latest 3.3	28s
macos-latest head	35s
macos-14 3.3	28s
macos-latest 3.2	22s
macos-14 3.1	29s
windows-latest 3.3	6m 20s
macos-14 3.0	35s
macos-latest debug	29s
windows-latest mingw	4m 29s
macos-14 debug	30s
windows-latest 2.7	5m 30s
macos-14 3.2	35s
windows-latest head	3m 27s
macos-14 2.7	59s
ubuntu-latest 3.0	35s
macos-14 head	24s
macos-14 3.4	26s
windows-latest 3.4	3m 53s
windows-latest mswin	4m 59s
macos-latest 3.4	25s
	43m 7s

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