Kotlin: Add a compilations consistency query

java/ql/consistency-queries/compilations.ql

@@ -0,0 +1,17 @@
+import java
+
+predicate goodCompilation(Compilation c) {
+  forex(int i |
+        exists(c.getFileCompiled(i)) |
+        exists(c.getFileCompiled(i - 1)) or i = 0) and
+  forex(int i |
+        exists(c.getArgument(i)) |
+        exists(c.getArgument(i - 1)) or i = 0) and
+  c.extractionStarted() and
+  c.normalTermination()
+}
+
+from Compilation c
+where c.isKotlin()
+  and not goodCompilation(c)
+select c