diff -r 202973b2d1ae -r e1b620ac6c98 langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java	Tue Mar 14 08:19:41 2017 +0100
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java	Tue Mar 14 10:51:19 2017 +0100
@@ -1059,8 +1059,10 @@
             roots = prev.roots.appendList(parsedFiles);
 
             // Check for errors after parsing
-            if (unrecoverableError())
+            if (unrecoverableError()) {
+                compiler.initModules(List.nil());
                 return;
+            }
 
             roots = compiler.initModules(roots);