From 7d2c76f7115426ebdaf6b14e044f14e7b5e7d0b4 Mon Sep 17 00:00:00 2001
From: Alexey Andreev <konsoletyper@gmail.com>
Date: Wed, 30 Jan 2019 19:36:00 +0300
Subject: [PATCH] Fix compiler crash when using incremental pipeline

---
 core/src/main/java/org/teavm/vm/TeaVM.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/org/teavm/vm/TeaVM.java b/core/src/main/java/org/teavm/vm/TeaVM.java
index c126c71ad..1bc008e22 100644
--- a/core/src/main/java/org/teavm/vm/TeaVM.java
+++ b/core/src/main/java/org/teavm/vm/TeaVM.java
@@ -795,7 +795,9 @@ public class TeaVM implements TeaVMHost, ServiceRepository {
                 dependencyAnalyzer.getClassHierarchy(), diagnostics);
         private Map<String, ClassHolder> cache = new HashMap<>();
         private Set<String> classNames = Collections.unmodifiableSet(new HashSet<>(
-                dependencyAnalyzer.getReachableClasses()));
+                dependencyAnalyzer.getReachableClasses().stream()
+                        .filter(className -> dependencyAnalyzer.getClassSource().get(className) != null)
+                        .collect(Collectors.toList())));
 
         @Override
         public ClassHolder get(String name) {