diff --git a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosticCompilerTestFE10TestdataTestGenerated.java b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosticCompilerTestFE10TestdataTestGenerated.java
index 310b39e40ea..d4374ef74b6 100644
--- a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosticCompilerTestFE10TestdataTestGenerated.java
+++ b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosticCompilerTestFE10TestdataTestGenerated.java
@@ -22900,6 +22900,24 @@ public class DiagnosticCompilerTestFE10TestdataTestGenerated extends AbstractDia
         runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection.kt");
       }
 
+      @Test
+      @TestMetadata("withTestConnection2.kt")
+      public void testWithTestConnection2() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection2.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection3.kt")
+      public void testWithTestConnection3() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection3.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection4.kt")
+      public void testWithTestConnection4() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection4.kt");
+      }
+
       @Test
       @TestMetadata("wrongVarianceInJava.kt")
       public void testWrongVarianceInJava() {
diff --git a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated.java b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated.java
index 7b5bb740cf2..b7dc6535bc1 100644
--- a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated.java
+++ b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated.java
@@ -22900,6 +22900,24 @@ public class LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated
         runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection.kt");
       }
 
+      @Test
+      @TestMetadata("withTestConnection2.kt")
+      public void testWithTestConnection2() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection2.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection3.kt")
+      public void testWithTestConnection3() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection3.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection4.kt")
+      public void testWithTestConnection4() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection4.kt");
+      }
+
       @Test
       @TestMetadata("wrongVarianceInJava.kt")
       public void testWrongVarianceInJava() {
diff --git a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirLightTreeOldFrontendDiagnosticsTestGenerated.java b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirLightTreeOldFrontendDiagnosticsTestGenerated.java
index ff162c9fb81..eca31cf6ab9 100644
--- a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirLightTreeOldFrontendDiagnosticsTestGenerated.java
+++ b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirLightTreeOldFrontendDiagnosticsTestGenerated.java
@@ -22894,6 +22894,24 @@ public class FirLightTreeOldFrontendDiagnosticsTestGenerated extends AbstractFir
         runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection.kt");
       }
 
+      @Test
+      @TestMetadata("withTestConnection2.kt")
+      public void testWithTestConnection2() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection2.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection3.kt")
+      public void testWithTestConnection3() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection3.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection4.kt")
+      public void testWithTestConnection4() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection4.kt");
+      }
+
       @Test
       @TestMetadata("wrongVarianceInJava.kt")
       public void testWrongVarianceInJava() {
diff --git a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirPsiOldFrontendDiagnosticsTestGenerated.java b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirPsiOldFrontendDiagnosticsTestGenerated.java
index f4e2057ee10..2634c74a806 100644
--- a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirPsiOldFrontendDiagnosticsTestGenerated.java
+++ b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirPsiOldFrontendDiagnosticsTestGenerated.java
@@ -22900,6 +22900,24 @@ public class FirPsiOldFrontendDiagnosticsTestGenerated extends AbstractFirPsiDia
         runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection.kt");
       }
 
+      @Test
+      @TestMetadata("withTestConnection2.kt")
+      public void testWithTestConnection2() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection2.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection3.kt")
+      public void testWithTestConnection3() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection3.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection4.kt")
+      public void testWithTestConnection4() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection4.kt");
+      }
+
       @Test
       @TestMetadata("wrongVarianceInJava.kt")
       public void testWrongVarianceInJava() {
diff --git a/compiler/testData/diagnostics/tests/j+k/withTestConnection2.kt b/compiler/testData/diagnostics/tests/j+k/withTestConnection2.kt
new file mode 100644
index 00000000000..0cdb9eb1e1a
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/j+k/withTestConnection2.kt
@@ -0,0 +1,27 @@
+// FIR_IDENTICAL
+// FULL_JDK
+// JVM_TARGET: 1.8
+
+// FILE: test.kt
+
+fun waitTestConnection(res: B<*>) {
+    C.wait(res.toFuture())
+}
+
+// FILE: B.kt
+
+import java.util.concurrent.CompletableFuture
+
+abstract class B<S> {
+    abstract fun toFuture(): CompletableFuture<S>
+}
+
+// FILE: C.java
+
+import java.util.concurrent.Future;
+
+public class C {
+    public static <F> F wait(Future<F> future) {
+        return null;
+    }
+}
diff --git a/compiler/testData/diagnostics/tests/j+k/withTestConnection3.fir.kt b/compiler/testData/diagnostics/tests/j+k/withTestConnection3.fir.kt
new file mode 100644
index 00000000000..4b41cc3aecb
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/j+k/withTestConnection3.fir.kt
@@ -0,0 +1,26 @@
+// FULL_JDK
+// JVM_TARGET: 1.8
+
+// FILE: test.kt
+
+fun waitTestConnection(res: B<*>) {
+    C.wait(res.toFuture()).length
+}
+
+// FILE: B.kt
+
+import java.util.concurrent.CompletableFuture
+
+abstract class B<S : CharSequence?> {
+    abstract fun toFuture(): CompletableFuture<S>
+}
+
+// FILE: C.java
+
+import java.util.concurrent.Future;
+
+public class C {
+    public static <F> F wait(Future<F> future) {
+        return null;
+    }
+}
diff --git a/compiler/testData/diagnostics/tests/j+k/withTestConnection3.kt b/compiler/testData/diagnostics/tests/j+k/withTestConnection3.kt
new file mode 100644
index 00000000000..6013b06c1fe
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/j+k/withTestConnection3.kt
@@ -0,0 +1,26 @@
+// FULL_JDK
+// JVM_TARGET: 1.8
+
+// FILE: test.kt
+
+fun waitTestConnection(res: B<*>) {
+    C.wait(res.toFuture())<!UNSAFE_CALL!>.<!>length
+}
+
+// FILE: B.kt
+
+import java.util.concurrent.CompletableFuture
+
+abstract class B<S : CharSequence?> {
+    abstract fun toFuture(): CompletableFuture<S>
+}
+
+// FILE: C.java
+
+import java.util.concurrent.Future;
+
+public class C {
+    public static <F> F wait(Future<F> future) {
+        return null;
+    }
+}
diff --git a/compiler/testData/diagnostics/tests/j+k/withTestConnection4.kt b/compiler/testData/diagnostics/tests/j+k/withTestConnection4.kt
new file mode 100644
index 00000000000..f79c236dbe4
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/j+k/withTestConnection4.kt
@@ -0,0 +1,27 @@
+// FIR_IDENTICAL
+// FULL_JDK
+// JVM_TARGET: 1.8
+
+// FILE: test.kt
+
+fun waitTestConnection(res: B<*>) {
+    C.wait(res.toFuture())
+}
+
+// FILE: B.kt
+
+import java.util.concurrent.CompletableFuture
+
+abstract class B<S> {
+    abstract fun toFuture(): CompletableFuture<MutableList<S>>
+}
+
+// FILE: C.java
+
+import java.util.concurrent.Future;
+
+public class C {
+    public static <F> F wait(Future<F> future) {
+        return null;
+    }
+}
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java
index 0044b9cd4c2..194bc060734 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java
@@ -22900,6 +22900,24 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
         runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection.kt");
       }
 
+      @Test
+      @TestMetadata("withTestConnection2.kt")
+      public void testWithTestConnection2() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection2.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection3.kt")
+      public void testWithTestConnection3() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection3.kt");
+      }
+
+      @Test
+      @TestMetadata("withTestConnection4.kt")
+      public void testWithTestConnection4() {
+        runTest("compiler/testData/diagnostics/tests/j+k/withTestConnection4.kt");
+      }
+
       @Test
       @TestMetadata("wrongVarianceInJava.kt")
       public void testWrongVarianceInJava() {