Test that clashing signatures are not reported when conflicting overloads are present in CLI

compiler/testData/cli/jvm/conflictingOverloads.args

@@ -0,0 +1,4 @@
+-src
+$TESTDATA_DIR$/conflictingOverloads.kt
+-output
+$TEMP_DIR$

compiler/testData/cli/jvm/conflictingOverloads.kt

@@ -0,0 +1,2 @@
+fun a(): List<Int> = null!!
+fun a(): List<String> = null!!

compiler/testData/cli/jvm/conflictingOverloads.out

@@ -0,0 +1,3 @@
+ERROR: $TESTDATA_DIR$/conflictingOverloads.kt: (1, 1) 'internal fun a(): kotlin.List<kotlin.Int>' is already defined in root package
+ERROR: $TESTDATA_DIR$/conflictingOverloads.kt: (2, 1) 'internal fun a(): kotlin.List<kotlin.String>' is already defined in root package
+COMPILATION_ERROR

compiler/tests/org/jetbrains/jet/cli/KotlincExecutableTestGenerated.java

@@ -44,6 +44,11 @@ public class KotlincExecutableTestGenerated extends AbstractKotlincExecutableTes
             doJvmTest("compiler/testData/cli/jvm/classpath.args");
         }
         
+        @TestMetadata("conflictingOverloads.args")
+        public void testConflictingOverloads() throws Exception {
+            doJvmTest("compiler/testData/cli/jvm/conflictingOverloads.args");
+        }
+        
         @TestMetadata("diagnosticsOrder.args")
         public void testDiagnosticsOrder() throws Exception {
             doJvmTest("compiler/testData/cli/jvm/diagnosticsOrder.args");

compiler/tests/org/jetbrains/jet/cli/jvm/K2JvmCliTest.java

@@ -61,4 +61,9 @@ public class K2JvmCliTest extends CliBaseTest {
     public void signatureClash() throws Exception {
         executeCompilerCompareOutputJVM();
     }
+
+    @Test
+    public void conflictingOverloads() throws Exception {
+        executeCompilerCompareOutputJVM();
+    }
 }