Fix desugaring in an obscure case with while(true).
Merge branch 'mutable-param-defs-alt' into base-with-prs
Merge branch 'fix-desugar-var-while-true' into base-with-prs
Print if-else-if chains in a nicer way.
Consider more simple methods for inlining.
Fold If constructs.
Discard side-effects of statements.
Optimize pattern matches.
Inline methods of IndexedSeqOptimized in an ad hoc way.

Just because.