From 2e950898708396af78dd28728112dedef0481bca Mon Sep 17 00:00:00 2001
From: Johann Dahm <johannd@vulcan.com>
Date: Mon, 23 Mar 2020 16:17:44 -0700
Subject: [PATCH] Propogate fixes from dawn-opt to dawn-codegen (#873)

---
 dawn/src/dawn/dawn-codegen.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dawn/src/dawn/dawn-codegen.cpp b/dawn/src/dawn/dawn-codegen.cpp
index 3ada24043..84df74b8d 100644
--- a/dawn/src/dawn/dawn-codegen.cpp
+++ b/dawn/src/dawn/dawn-codegen.cpp
@@ -42,14 +42,14 @@ std::shared_ptr<dawn::iir::StencilInstantiation> deserializeInput(const std::str
           dawn::IIRSerializer::deserializeFromString(input, dawn::IIRSerializer::Format::Byte);
       format = SerializationFormat::Byte;
     } catch(...) {
-      // Do nothing
+      internalIR = nullptr;
     }
   }
   if(!internalIR) {
     try {
       internalIR =
           dawn::IIRSerializer::deserializeFromString(input, dawn::IIRSerializer::Format::Json);
-      SerializationFormat::Json;
+      format = SerializationFormat::Json;
     } catch(...) {
       // Exhausted possibilities, so throw
       throw std::runtime_error("Cannot deserialize input");