For scala classfiles, only parse the scala signature annotation

Skipping other annotations not only saves some cycles / GC, but also
prevents some spurious warnings / errors related to cyclic dependencies
when parsing annotation arguments refering to members of the class.

3 files changed, 20 insertions, 0 deletions

diff --git a/test/files/neg/t7014/ThreadSafety.java b/test/files/neg/t7014/ThreadSafety.java
new file mode 100644
index 0000000000..ed508804e3
--- /dev/null
+++ b/test/files/neg/t7014/ThreadSafety.java
@@ -0,0 +1,9 @@
+package t7014;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME) // must be exactly RUNTIME retention (those we parse)
+public @interface ThreadSafety {
+  ThreadSafetyLevel level();
+}
\ No newline at end of file
diff --git a/test/files/neg/t7014/ThreadSafetyLevel.java b/test/files/neg/t7014/ThreadSafetyLevel.java
new file mode 100644
index 0000000000..4df1dc787a
--- /dev/null
+++ b/test/files/neg/t7014/ThreadSafetyLevel.java
@@ -0,0 +1,8 @@
+package t7014; // package needed due to other bug in scalac's java parser
+
+// since we parse eagerly, we have not yet parsed the classfile when parsing the annotation,
+// and on doing so, fail to find a symbol for the COMPLETELY_THREADSAFE reference
+// from the annotation's argument to the enum's member
+// for now, let's just not crash -- should implement lazy completing at some point
+@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
+public enum ThreadSafetyLevel { COMPLETELY_THREADSAFE }
diff --git a/test/files/neg/t7014/t7014.scala b/test/files/neg/t7014/t7014.scala
new file mode 100644
index 0000000000..7c73f700be
--- /dev/null
+++ b/test/files/neg/t7014/t7014.scala
@@ -0,0 +1,3 @@
+package t7014
+
+import ThreadSafetyLevel.COMPLETELY_THREADSAFE // refer to annotation so it gets parsed