20230911 compile context

[prozacchiwawa]

Bring in BasicCompileContext from nightly. This will allow us to split out optimization so it can be improved in future steppings.

[coveralls-official]

Pull Request Test Coverage Report for Build 6151115433

• 111 of 114 (97.37%) changed or added relevant lines in 6 files are covered.
• 8 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.02%) to 78.501%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/classic/clvm_tools/clvmc.rs	15	16	93.75%
src/compiler/codegen.rs	65	66	98.48%
src/compiler/mod.rs	16	17	94.12%

Files with Coverage Reduction	New Missed Lines	%
src/compiler/codegen.rs	2	92.32%
src/compiler/sexp.rs	6	76.55%

Totals
Change from base Build 6124965439:	-0.02%
Covered Lines:	7518
Relevant Lines:	9577

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💛 - Coveralls