Make setOpOverloadAssign private, add comment

ntrel · ntrel · commit 1f638095458e · 2026-01-12T10:21:44.000Z
diff --git a/compiler/src/dmd/expressionsem.d b/compiler/src/dmd/expressionsem.d
@@ -5274,7 +5274,8 @@ private extern (C++) final class ExpressionSemanticVisitor : Visitor
         setError();
     }
 
-    void setOpOverloadAssign(Expression e)
+    // `e` calls opAssign, opOpAssign, opUnary!++, opUnary!-- when lowered from an assignment
+    private void setOpOverloadAssign(Expression e)
     {
         result = e;
         auto ce = e.isCallExp();

Original file line number	Diff line number	Diff line change
`@@ -5274,7 +5274,8 @@ private extern (C++) final class ExpressionSemanticVisitor : Visitor`
`5274`	`5274`	`setError();`
`5275`	`5275`	`}`
`5276`	`5276`
`5277`		`- void setOpOverloadAssign(Expression e)`
	`5277`	+ // `e` calls opAssign, opOpAssign, opUnary!++, opUnary!-- when lowered from an assignment
	`5278`	`+ private void setOpOverloadAssign(Expression e)`
`5278`	`5279`	`{`
`5279`	`5280`	`result = e;`
`5280`	`5281`	`auto ce = e.isCallExp();`