--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotForeignCallLinkageImpl.java	Thu Nov 14 11:16:14 2019 -0800
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotForeignCallLinkageImpl.java	Thu Nov 14 12:21:00 2019 -0800
@@ -304,4 +304,9 @@
     public String getSymbol() {
         return stub == null ? null : stub.toString();
     }
+
+    @Override
+    public boolean needsClearUpperVectorRegisters() {
+        return isCompiledStub() && mayContainFP();
+    }
 }