commit c9a3197d2ab6bf5e572a64f9960a334feb1410ff
author Morten Krogh-Jespersen <mkroghj@google.com> Thu Apr 04 15:17:30 2019 +0200
committer Morten Krogh-Jespersen <mkroghj@google.com> Thu Apr 04 13:22:21 2019 +0000
tree 60501f09556eda3e2269407b96cf0a4d66814640
parent 888a4585ad8c10bb7a22228ccc8e3ac6044b342c

Check for interfaces being null in ClassTypeLatticeElement.toString()

Change-Id: I8146cf303ce938e1b15869732dd851ec53b52bb3

src/main/java/com/android/tools/r8/ir/analysis/type/ClassTypeLatticeElement.java

diff --git a/src/main/java/com/android/tools/r8/ir/analysis/type/ClassTypeLatticeElement.java b/src/main/java/com/android/tools/r8/ir/analysis/type/ClassTypeLatticeElement.java
index 33a57da..298251d 100644
--- a/src/main/java/com/android/tools/r8/ir/analysis/type/ClassTypeLatticeElement.java
+++ b/src/main/java/com/android/tools/r8/ir/analysis/type/ClassTypeLatticeElement.java
@@ -116,8 +116,10 @@
     builder.append(" ");
     builder.append(type);
     builder.append(" {");
-    builder.append(
-        getInterfaces().stream().map(DexType::toString).collect(Collectors.joining(", ")));
+    Set<DexType> interfaces = getInterfaces();
+    if (interfaces != null) {
+      builder.append(interfaces.stream().map(DexType::toString).collect(Collectors.joining(", ")));
+    }
     builder.append("}");
     return builder.toString();
   }