gh-148211: decompose `_INSERT_1_LOAD_CONST_INLINE(_BORROW)` in JIT (G… #2699

Job	Run time
aarch64-unknown-linux-gnu/gcc	7m 26s
aarch64-apple-darwin/clang	10m 20s
x86_64-apple-darwin/clang	24m 8s
x86_64-unknown-linux-gnu/gcc	10m 37s
x86_64-unknown-linux-gnu/gcc-free-threading	8m 46s
	1h 1m 17s

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