gh-134584: Eliminate redundant refcounting in JIT for `MATCH_CLASS` #2219

Job	Run time
x86_64-unknown-linux-gnu/gcc	10m 14s
x86_64-pc-windows-msvc/msvc	10m 1s
aarch64-unknown-linux-gnu/gcc	6m 57s
x86_64-pc-windows-msvc/msvc-free-threading	4m 39s
aarch64-apple-darwin/clang	9m 10s
x86_64-apple-darwin/clang	17m 23s
x86_64-unknown-linux-gnu/gcc-free-threading	9m 17s
	1h 7m 41s

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