main
[compiler] Migrate CompilerError.invariant to new CompilerDiagnostic infra (#34403)
[compiler] Derive ErrorSeverity from ErrorCategory (#34401)
[compiler] Fix error description inconsistency (#34404)
[compiler] Filter out disabled errors from being reported (#34409)
[compiler] More flexible/helpful lazy ref initialization (#34449)
[compiler] Allow setStates in use{Layout,Insertion}Effect where the set value is derived from a ref (#34462)
[compiler] Fix false positive memo validation (alternative) (#34319)
[compiler] Reuse DropManualMemoization for ValidateNoVoidUseMemo (#34001)