From a554dd7c8d031268f22c4cee0ee7118d6614bd2d Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Thu, 15 Dec 2022 22:49:49 -0500
Subject: [PATCH] Optimize expansion of extend operators - fix earlier commit.

---
 src/V3Expand.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/V3Expand.cpp b/src/V3Expand.cpp
index 86091a572..4b5ae7df2 100644
--- a/src/V3Expand.cpp
+++ b/src/V3Expand.cpp
@@ -344,11 +344,11 @@ private:
     bool expandWide(AstNodeAssign* nodep, AstExtend* rhsp) {
         UINFO(8, "    Wordize ASSIGN(EXTEND) " << nodep << endl);
         if (!doExpand(nodep)) return false;
-        AstNodeExpr* const lhsp = nodep->lhsp();
-        for (int w = 0; w < lhsp->widthWords(); ++w) {
-            addWordAssign(nodep, w, newAstWordSelClone(lhsp, w));
+        AstNodeExpr* const rlhsp = rhsp->lhsp();
+        for (int w = 0; w < rlhsp->widthWords(); ++w) {
+            addWordAssign(nodep, w, newAstWordSelClone(rlhsp, w));
         }
-        for (int w = rhsp->widthWords(); w < nodep->widthWords(); ++w) {
+        for (int w = rlhsp->widthWords(); w < nodep->widthWords(); ++w) {
             addWordAssign(nodep, w, new AstConst{nodep->fileline(), AstConst::SizedEData{}, 0});
         }
         return true;