Clarify comment

Dave Bartolomeo · web-flow · commit acc3d2387791 · 2019-12-02T11:53:43.000-08:00
diff --git a/cpp/ql/test/library-tests/ir/ssa/ssa.cpp b/cpp/ql/test/library-tests/ir/ssa/ssa.cpp
@@ -139,7 +139,7 @@ void MergeMustExactlyWithMustTotallyOverlap(bool c, Point p, int x1) {
   else {
     a = p;
   }
-  int x = a.x;  // Only one reaching def must exactly overlap, but we should still get a Phi for it.
+  int x = a.x;  // Only one (non-Chi) reaching def must exactly overlap, but we should still get a Phi for it.
 }
 
 void MergeMustExactlyWithMayPartiallyOverlap(bool c, Point p, int x1) {

Original file line number	Diff line number	Diff line change
`@@ -139,7 +139,7 @@ void MergeMustExactlyWithMustTotallyOverlap(bool c, Point p, int x1) {`
`139`	`139`	`else {`
`140`	`140`	`a = p;`
`141`	`141`	`}`
`142`		`- int x = a.x; // Only one reaching def must exactly overlap, but we should still get a Phi for it.`
	`142`	`+ int x = a.x; // Only one (non-Chi) reaching def must exactly overlap, but we should still get a Phi for it.`
`143`	`143`	`}`
`144`	`144`
`145`	`145`	`void MergeMustExactlyWithMayPartiallyOverlap(bool c, Point p, int x1) {`