Both `reverseBranchCondition` and `replaceBranchTarget` return a success boolean. But all-but-one caller ignores the return value, and the exception emits a fatal error on failure. Thus, just return nothing.
Both `reverseBranchCondition` and `replaceBranchTarget` return a success boolean. But all-but-one caller ignores the return value, and the exception emits a fatal error on failure. Thus, just return nothing.