Cranelift(egraphs): Maintain the instruction set in an expression's cost #34849

Job	Run time
Rustfmt	32s
Check JS	8s
Clang format	16s
Clippy	1m 1s
Determine CI jobs to run	19s
Monolith Checks	2m 45s
Check wasmtime-fiber	40s
Check wasmtime-c-api	1m 22s
Check wasmtime	5m 50s
Check cranelift-codegen	1m 9s
Check wasmtime-wasi-http	1m 0s
Check cranelift-entity	29s
Check wasmtime-bench-api	1m 29s
Check wasmtime-wizer	1m 41s
Check wasmtime-wasi	1m 33s
Check wasmtime-cli	5m 15s
Cargo deny	32s
Cargo vet	46s
Meta deterministic check	0s
Build wasi-preview1-component-adapter	0s
Test Linux x86_64 (3/6)	21s
Test Linux x86_64 (2/6)	26s
Test Linux x86_64 (1/6)	25s
Test Linux x86_64 (wasmtime-wasi)	26s
Test Linux x86_64 (wasmtime-cli)	24s
Test C-API ${{ matrix.name }}	0s
Test Linux x86_64 (wasmtime)	28s
Miri	0s
Test wasmtime-fuzzing	0s
Nightly tests	0s
Release build for ${{ matrix.build }}	0s
verify-publish	0s
Doc build	0s
Test wasi-nn (${{ matrix.feature }}, ${{ matrix.os }})	0s
Platform: ${{ matrix.target }}	0s
One-off special tests	0s
Build wasi-preview1-component-adapter-provider	0s
Test the min-platform example	0s
Test wasi-tls using native-tls provider	0s
Test DWARF debugging	0s
Run benchmarks	0s
Cargo vet failed on a Pull Request	3s
Record the result of testing and building steps	4s
push-tag	0s
File an issue if this build failed and was cron-triggered	0s
	29m 24s

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