C++: Fix instruction class name

Author: jketema

cpp/ql/lib/semmle/code/cpp/ir/implementation/aliased_ssa/Instruction.qll

@@ -1607,8 +1607,8 @@ class CompareGEInstruction extends RelationalInstruction {
 /**
  * An instruction that represents a three-way comparison operator.
  */
-class CompareThreeWayInstruction extends BinaryInstruction {
-  CompareThreeWayInstruction() { this.getOpcode() instanceof Opcode::Spaceship }
+class SpaceshipInstruction extends BinaryInstruction {
+  SpaceshipInstruction() { this.getOpcode() instanceof Opcode::Spaceship }
 }
 
 /**

cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/Instruction.qll

@@ -1607,8 +1607,8 @@ class CompareGEInstruction extends RelationalInstruction {
 /**
  * An instruction that represents a three-way comparison operator.
  */
-class CompareThreeWayInstruction extends BinaryInstruction {
-  CompareThreeWayInstruction() { this.getOpcode() instanceof Opcode::Spaceship }
+class SpaceshipInstruction extends BinaryInstruction {
+  SpaceshipInstruction() { this.getOpcode() instanceof Opcode::Spaceship }
 }
 
 /**

cpp/ql/lib/semmle/code/cpp/ir/implementation/unaliased_ssa/Instruction.qll

@@ -1607,8 +1607,8 @@ class CompareGEInstruction extends RelationalInstruction {
 /**
  * An instruction that represents a three-way comparison operator.
  */
-class CompareThreeWayInstruction extends BinaryInstruction {
-  CompareThreeWayInstruction() { this.getOpcode() instanceof Opcode::Spaceship }
+class SpaceshipInstruction extends BinaryInstruction {
+  SpaceshipInstruction() { this.getOpcode() instanceof Opcode::Spaceship }
 }
 
 /**