Merge "diagnostic with Java 8" tests with general diagnostic tests

compiler/testData/diagnostics/tests/targetedBuiltIns/concurrentMapRemove.kt

@@ -0,0 +1,21 @@
+// FULL_JDK
+
+import java.util.concurrent.*
+
+val concurrent: ConcurrentMap<String, Int> = null!!
+val concurrentHash: ConcurrentHashMap<String, Int> = null!!
+
+fun foo() {
+    concurrent.remove("", 1)
+    concurrent.remove("", <!TYPE_MISMATCH!>""<!>)
+    concurrentHash.remove("", 1)
+    concurrentHash.remove("", <!TYPE_MISMATCH!>""<!>)
+
+    // Flexible types
+    concurrent.remove(null, 1)
+    concurrent.remove(null, null)
+
+    // @PurelyImplements
+    concurrentHash.remove(<!NULL_FOR_NONNULL_TYPE!>null<!>, 1)
+    concurrentHash.remove(<!NULL_FOR_NONNULL_TYPE!>null<!>, <!NULL_FOR_NONNULL_TYPE!>null<!>)
+}