All batches do their own pipeline compare

src/gpu/GrAAHairLinePathRenderer.cpp

Index: src/gpu/GrAAHairLinePathRenderer.cpp
diff --git a/src/gpu/GrAAHairLinePathRenderer.cpp b/src/gpu/GrAAHairLinePathRenderer.cpp
index 8a0c9a4f57fac4625ebb1f09340e8c40d7b662d3..6b1f8a41f770cc1823e61fe2c46c0516f3de052b 100644
--- a/src/gpu/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/GrAAHairLinePathRenderer.cpp
@@ -736,6 +736,10 @@ private:
     }
 
     bool onCombineIfPossible(GrBatch* t) override {
+        if (!this->pipeline()->isEqual(*t->pipeline())) {
+            return false;
+        }
+
         AAHairlineBatch* that = t->cast<AAHairlineBatch>();
 
         if (this->viewMatrix().hasPerspective() != that->viewMatrix().hasPerspective()) {