C++: Fix range analysis for new API

cpp/ql/src/semmle/code/cpp/rangeanalysis/RangeAnalysis.qll

@@ -379,7 +379,7 @@ private predicate boundedNonPhiOperand(NonPhiOperand op, Bound b, int delta, boo
 private predicate boundFlowStepPhi(
   PhiOperand op2, Operand op1, int delta, boolean upper, Reason reason
 ) {
-  op2.getDefinitionInstruction().getAnOperand().(CopySourceOperand) = op1 and
+  op2.getDefinitionInstruction().(CopyInstruction).getSourceValueOperand() = op1 and
   (upper = true or upper = false) and
   reason = TNoReason() and
   delta = 0

cpp/ql/src/semmle/code/cpp/rangeanalysis/RangeUtils.qll

@@ -28,7 +28,7 @@ IntValue getConstantValue(Instruction instr) {
 }
 
 predicate valueFlowStep(Instruction i, Operand op, int delta) {
-  i.getAnOperand().(CopySourceOperand) = op and delta = 0
+  i.(CopyInstruction).getSourceValueOperand() = op and delta = 0
   or
   exists(Operand x |
     i.(AddInstruction).getAnOperand() = op and

cpp/ql/src/semmle/code/cpp/rangeanalysis/SignAnalysis.qll

@@ -398,7 +398,7 @@ cached module SignAnalysisCached {
         result = castSign(operandSign(ci.getAnOperand()), fromSigned, toSigned, getCastKind(ci))
       )
       or
-      result = operandSign(i.getAnOperand().(CopySourceOperand))
+      result = operandSign(i.(CopyInstruction).getSourceValueOperand())
       or
       result = operandSign(i.(BitComplementInstruction).getAnOperand()).bitnot()
       or