Update src/rsz/src/Resizer.cc

Co-authored-by: Matt Liberty <[email protected]>
Signed-off-by: mikesinouye <[email protected]>

Author: mikesinouye

src/rsz/src/Resizer.cc

@@ -607,8 +607,8 @@ void Resizer::balanceRowUsage()
   for (auto inst : block_->getInsts()) {
     auto master = inst->getMaster();
     auto site = master->getSite();
-    // Ignore macros, and multi-height cells for now
-    if (inst->isBlock() || site->hasRowPattern()) {
+    // Ignore multi-height cells for now
+    if (site && site->hasRowPattern()) {
       continue;
     }