varargs

* generate VARARGS flag in FunctionCodegen
* test in CompileJavaAgainstKotlinTest

compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java

@@ -61,6 +61,13 @@ public class FunctionCodegen {
         List<TypeParameterDescriptor> typeParameters = (functionDescriptor instanceof PropertyAccessorDescriptor ? ((PropertyAccessorDescriptor)functionDescriptor).getCorrespondingProperty(): functionDescriptor).getTypeParameters();
 
         int flags = ACC_PUBLIC; // TODO.
+        
+        if (!functionDescriptor.getValueParameters().isEmpty()
+                && functionDescriptor.getValueParameters().get(functionDescriptor.getValueParameters().size() - 1)
+                        .getVarargElementType() != null)
+        {
+            flags |= ACC_VARARGS;
+        }
 
         OwnerKind kind = context.getContextKind();
 

compiler/testData/compileJavaAgainstKotlin/Vararg.java

@@ -0,0 +1,9 @@
+import java.util.List;
+import java.util.ArrayList;
+
+class Vararg {
+    {
+        List<String> list = new ArrayList<String>();
+        List<String> r = namespace.gg(list, 3, 4, 5, 6);
+    }
+}

compiler/testData/compileJavaAgainstKotlin/Vararg.kt

@@ -0,0 +1,3 @@
+import java.util.List;
+
+fun gg(list: List<String>, vararg ints: Int) = list