diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java
index 53c77a61944..ac115b97a85 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java
@@ -4089,6 +4089,22 @@ public class FirBlackBoxInlineCodegenTestGenerated extends AbstractFirBlackBoxIn
         }
     }
 
+    @Nested
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    public class SignatureMangling {
+        @Test
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+        }
+
+        @Test
+        @TestMetadata("flexibleType.kt")
+        public void testFlexibleType() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
+        }
+    }
+
     @Nested
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
diff --git a/compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt b/compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt
new file mode 100644
index 00000000000..3f468da85dd
--- /dev/null
+++ b/compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt
@@ -0,0 +1,16 @@
+// TARGET_BACKEND: JVM_IR
+// WITH_RUNTIME
+// FILE: UseFlexibleType.java
+import java.util.List;
+
+public class UseFlexibleType {
+    static public List<String> useList(List<String> arg) {
+        return arg;
+    }
+}
+
+// FILE: use.kt
+inline fun callTest() = UseFlexibleType.useList(listOf("OK"))
+
+// FILE: box.kt
+fun box() = callTest()[0]
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxInlineCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxInlineCodegenTestGenerated.java
index d80275040a6..d473ad01024 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxInlineCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxInlineCodegenTestGenerated.java
@@ -4077,6 +4077,16 @@ public class BlackBoxInlineCodegenTestGenerated extends AbstractBlackBoxInlineCo
         }
     }
 
+    @Nested
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    public class SignatureMangling {
+        @Test
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM, true);
+        }
+    }
+
     @Nested
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/CompileKotlinAgainstInlineKotlinTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/CompileKotlinAgainstInlineKotlinTestGenerated.java
index 6ee0eb227b0..8410fc4669a 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/CompileKotlinAgainstInlineKotlinTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/CompileKotlinAgainstInlineKotlinTestGenerated.java
@@ -4077,6 +4077,16 @@ public class CompileKotlinAgainstInlineKotlinTestGenerated extends AbstractCompi
         }
     }
 
+    @Nested
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    public class SignatureMangling {
+        @Test
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM, true);
+        }
+    }
+
     @Nested
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java
index 0e3050640bf..8877d6f606f 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java
@@ -4089,6 +4089,22 @@ public class IrBlackBoxInlineCodegenTestGenerated extends AbstractIrBlackBoxInli
         }
     }
 
+    @Nested
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    public class SignatureMangling {
+        @Test
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+        }
+
+        @Test
+        @TestMetadata("flexibleType.kt")
+        public void testFlexibleType() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
+        }
+    }
+
     @Nested
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java
index 8f1e0437dd8..240d3bc1092 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java
@@ -4089,6 +4089,22 @@ public class IrCompileKotlinAgainstInlineKotlinTestGenerated extends AbstractIrC
         }
     }
 
+    @Nested
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    public class SignatureMangling {
+        @Test
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+        }
+
+        @Test
+        @TestMetadata("flexibleType.kt")
+        public void testFlexibleType() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
+        }
+    }
+
     @Nested
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
index 8b6262cb83a..4a2a4238844 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
@@ -4089,6 +4089,22 @@ public class IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated extends Ab
         }
     }
 
+    @Nested
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    public class SignatureMangling {
+        @Test
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+        }
+
+        @Test
+        @TestMetadata("flexibleType.kt")
+        public void testFlexibleType() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
+        }
+    }
+
     @Nested
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java
index ece8648a4ed..ba7fff2af45 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java
@@ -4089,6 +4089,22 @@ public class JvmIrAgainstOldBoxInlineTestGenerated extends AbstractJvmIrAgainstO
         }
     }
 
+    @Nested
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    public class SignatureMangling {
+        @Test
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_MULTI_MODULE_IR_AGAINST_OLD, true);
+        }
+
+        @Test
+        @TestMetadata("flexibleType.kt")
+        public void testFlexibleType() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
+        }
+    }
+
     @Nested
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmOldAgainstIrBoxInlineTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmOldAgainstIrBoxInlineTestGenerated.java
index 30cf54b721b..483d1bebf73 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmOldAgainstIrBoxInlineTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmOldAgainstIrBoxInlineTestGenerated.java
@@ -4077,6 +4077,16 @@ public class JvmOldAgainstIrBoxInlineTestGenerated extends AbstractJvmOldAgainst
         }
     }
 
+    @Nested
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    public class SignatureMangling {
+        @Test
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_MULTI_MODULE_OLD_AGAINST_IR, true);
+        }
+    }
+
     @Nested
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenInlineES6TestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenInlineES6TestGenerated.java
index ae6c9a4d8a9..f6c5af42fe1 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenInlineES6TestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenInlineES6TestGenerated.java
@@ -3226,6 +3226,19 @@ public class IrJsCodegenInlineES6TestGenerated extends AbstractIrJsCodegenInline
         }
     }
 
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class SignatureMangling extends AbstractIrJsCodegenInlineES6Test {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest0(this::doTest, TargetBackend.JS_IR_ES6, testDataFilePath);
+        }
+
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS_IR_ES6, true);
+        }
+    }
+
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenInlineTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenInlineTestGenerated.java
index 5718cf9b421..54deeb93221 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenInlineTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenInlineTestGenerated.java
@@ -3226,6 +3226,19 @@ public class IrJsCodegenInlineTestGenerated extends AbstractIrJsCodegenInlineTes
         }
     }
 
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class SignatureMangling extends AbstractIrJsCodegenInlineTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest0(this::doTest, TargetBackend.JS_IR, testDataFilePath);
+        }
+
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS_IR, true);
+        }
+    }
+
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenInlineTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenInlineTestGenerated.java
index 2124f822b3b..558c4aa4828 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenInlineTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenInlineTestGenerated.java
@@ -3226,6 +3226,19 @@ public class JsCodegenInlineTestGenerated extends AbstractJsCodegenInlineTest {
         }
     }
 
+    @TestMetadata("compiler/testData/codegen/boxInline/signatureMangling")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class SignatureMangling extends AbstractJsCodegenInlineTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest0(this::doTest, TargetBackend.JS, testDataFilePath);
+        }
+
+        public void testAllFilesPresentInSignatureMangling() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/boxInline/signatureMangling"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS, true);
+        }
+    }
+
     @TestMetadata("compiler/testData/codegen/boxInline/simple")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)