[Interpreter] Add support for calling runtime functions which return a pair.

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index 2fe2e1c397ec99a19f44a3f3bf2144002267eda6..5857ef4d74e84b5fe55af1ad0549fab9b19f7f47 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -1173,6 +1173,12 @@ void BytecodeGraphBuilder::VisitCallRuntime(
 }
 
 
+void BytecodeGraphBuilder::VisitCallRuntimePair(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  UNIMPLEMENTED();
+}
+
+
 Node* BytecodeGraphBuilder::ProcessCallNewArguments(
     const Operator* call_new_op, interpreter::Register callee,
     interpreter::Register first_arg, size_t arity) {