Add 7 new difftests and push constants support #656

Job	Run time
Difftest (windows-2022)	24m 16s
Test (macOS-latest)	11m 42s
Android (ubuntu-24.04, aarch64-linux-android)	8m 37s
Test (windows-2022)	15m 13s
Difftest (ubuntu-24.04)	13m 16s
cargo-deny	53s
Difftest (macOS-latest)	13m 21s
Test (ubuntu-24.04)	8m 11s
Compiletest (macOS-latest)	10m 0s
Compiletest (ubuntu-24.04)	8m 20s
Lint	6m 25s
Compiletest (windows-2022)	15m 6s
test_success	4s
	2h 15m 24s

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