commit a2fd4865af600f2c3d79ef260328c4b5f5e5afb3
author Rico Wind <ricow@google.com> Tue Nov 27 19:33:04 2018 +0100
committer Rico Wind <ricow@google.com> Tue Nov 27 18:36:56 2018 +0000
tree a0d240d9e9acdcc52bf8d18228b37e05ff5cb19b
parent e1eea50c9b50d846d254724a59f9bafc78362cfc

Use concurrent hash map for referenceTypeLatticeElements

We still have concurrent access, just not for the same Type
BUG: 119883018

Change-Id: I094495d01df5816068a0ebbc198ed560c5a410e5

src/main/java/com/android/tools/r8/graph/DexItemFactory.java

diff --git a/src/main/java/com/android/tools/r8/graph/DexItemFactory.java b/src/main/java/com/android/tools/r8/graph/DexItemFactory.java
index da51387..9383bcc 100644
--- a/src/main/java/com/android/tools/r8/graph/DexItemFactory.java
+++ b/src/main/java/com/android/tools/r8/graph/DexItemFactory.java
@@ -64,8 +64,8 @@
   private final Map<SetInlineFrame, SetInlineFrame> setInlineFrames = new HashMap<>();
 
   // ReferenceTypeLattice canonicalization.
-  private final Map<DexType, ReferenceTypeLatticeElement>
-      referenceTypeLatticeElements = new HashMap<>();
+  private final ConcurrentHashMap<DexType, ReferenceTypeLatticeElement>
+      referenceTypeLatticeElements = new ConcurrentHashMap<>();
 
   boolean sorted = false;