Merge pull request The-OpenROAD-Project#5757 from The-OpenROAD-Projec…

…t-staging/TR-fix-gc-patch

fixes The-OpenROAD-Project#5723

src/drt/src/gc/FlexGC_main.cpp

@@ -2131,6 +2131,14 @@ bool FlexGCWorker::Impl::checkMetalShape_lef58Area_rectWidth(
   return false;
 }
 
+namespace gc_patch {
+bool isPatchValid(drPatchWire* pwire, const Rect& boundary_box)
+{
+  return pwire->getBBox().intersects(boundary_box)
+         || boundary_box.intersects(pwire->getOrigin());
+}
+}  // namespace gc_patch
+
 void FlexGCWorker::Impl::checkMetalShape_addPatch(gcPin* pin, int min_area)
 {
   auto poly = pin->getPolygon();
@@ -2208,6 +2216,9 @@ void FlexGCWorker::Impl::checkMetalShape_addPatch(gcPin* pin, int min_area)
     return;
   }
 
+  if (!gc_patch::isPatchValid(patch.get(), getDRWorker()->getRouteBox())) {
+    return;
+  }
   pwires_.push_back(std::move(patch));
 }
 
@@ -3659,6 +3670,9 @@ void FlexGCWorker::Impl::patchMetalShape_cornerSpacing()
     patch->setOrigin(origin);
     patch->setOffsetBox(markerBBox);
     patch->addToNet(net);
+    if (!gc_patch::isPatchValid(patch.get(), getDRWorker()->getRouteBox())) {
+      continue;
+    }
     pwires_.push_back(std::move(patch));
   }
 }
@@ -3781,6 +3795,9 @@ void FlexGCWorker::Impl::patchMetalShape_minStep()
     patch->setOrigin(origin);
     patch->setOffsetBox(markerBBox);
     patch->addToNet(net);
+    if (!gc_patch::isPatchValid(patch.get(), getDRWorker()->getRouteBox())) {
+      continue;
+    }
     pwires_.push_back(std::move(patch));
   }
 }