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54454fd010
Many of the Managed methods accepted by-val parameters which could reference Limb slices that became invalid memory after any ensureCapacity calls. Now, Managed methods accept `*const Managed` parameters so that if the function allows aliasing and the ensure-capacity call resizes the Limb slice, it also affects the aliased parameters, avoiding use-after-free bugs. This is a breaking change that reduces the requirement for callsites to manually make the ensure-capacity changes prior to calling many of the Managed methods. Closes #11897