C++: Fix comments.

cpp/ql/lib/semmle/code/cpp/ir/internal/IntegerPartial.qll

@@ -89,15 +89,15 @@ int compareLE(int a, int b) { if a <= b then result = 1 else result = 0 }
 bindingset[a, b]
 int compareGE(int a, int b) { if a >= b then result = 1 else result = 0 }
 
-/** Returns `a >= b`. */
+/** Returns `a | b`. */
 bindingset[a, b]
 int bitOr(int a, int b) { result = a.bitOr(b) }
 
-/** Returns `a >= b`. */
+/** Returns `a & b`. */
 bindingset[a, b]
 int bitAnd(int a, int b) { result = a.bitAnd(b) }
 
-/** Returns `a >= b`. */
+/** Returns `a ^ b`. */
 bindingset[a, b]
 int bitXor(int a, int b) { result = a.bitXor(b) }