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 4a6a97170cd..45b0d905994 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
@@ -225,6 +225,12 @@ public class DiagnosticCompilerTestFE10TestdataTestGenerated extends AbstractDia
             runTest("compiler/testData/diagnostics/tests/compilerCrashParameterType.kt");
         }
 
+        @Test
+        @TestMetadata("conflictingOverloadsPrivateFunctions.kt")
+        public void testConflictingOverloadsPrivateFunctions() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/conflictingOverloadsPrivateFunctions.kt");
+        }
+
         @Test
         @TestMetadata("Constants.kt")
         public void testConstants() throws Exception {
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 eacf712e6b1..f5bec97b8d0 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
@@ -225,6 +225,12 @@ public class LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated
             runTest("compiler/testData/diagnostics/tests/compilerCrashParameterType.kt");
         }
 
+        @Test
+        @TestMetadata("conflictingOverloadsPrivateFunctions.kt")
+        public void testConflictingOverloadsPrivateFunctions() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/conflictingOverloadsPrivateFunctions.kt");
+        }
+
         @Test
         @TestMetadata("Constants.kt")
         public void testConstants() throws Exception {
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 42f539cb84b..9cdcbf84d57 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
@@ -225,6 +225,12 @@ public class FirLightTreeOldFrontendDiagnosticsTestGenerated extends AbstractFir
             runTest("compiler/testData/diagnostics/tests/compilerCrashParameterType.kt");
         }
 
+        @Test
+        @TestMetadata("conflictingOverloadsPrivateFunctions.kt")
+        public void testConflictingOverloadsPrivateFunctions() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/conflictingOverloadsPrivateFunctions.kt");
+        }
+
         @Test
         @TestMetadata("Constants.kt")
         public void testConstants() throws Exception {
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 7da7ea3636c..afe502dbf2f 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
@@ -225,6 +225,12 @@ public class FirPsiOldFrontendDiagnosticsTestGenerated extends AbstractFirPsiDia
             runTest("compiler/testData/diagnostics/tests/compilerCrashParameterType.kt");
         }
 
+        @Test
+        @TestMetadata("conflictingOverloadsPrivateFunctions.kt")
+        public void testConflictingOverloadsPrivateFunctions() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/conflictingOverloadsPrivateFunctions.kt");
+        }
+
         @Test
         @TestMetadata("Constants.kt")
         public void testConstants() throws Exception {
diff --git a/compiler/testData/diagnostics/tests/conflictingOverloadsPrivateFunctions.kt b/compiler/testData/diagnostics/tests/conflictingOverloadsPrivateFunctions.kt
new file mode 100644
index 00000000000..c96d94058bb
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/conflictingOverloadsPrivateFunctions.kt
@@ -0,0 +1,11 @@
+// FIR_IDENTICAL
+// ISSUE: KT-62814
+
+class K2DuplicatesOkayBug {
+    <!CONFLICTING_OVERLOADS!>private fun startBackgroundSync()<!> {
+        //todo
+    }
+    <!CONFLICTING_OVERLOADS!>private fun startBackgroundSync()<!> {
+        //todo
+    }
+}
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 27c828874b4..c620a63f5f2 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
@@ -225,6 +225,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
             runTest("compiler/testData/diagnostics/tests/compilerCrashParameterType.kt");
         }
 
+        @Test
+        @TestMetadata("conflictingOverloadsPrivateFunctions.kt")
+        public void testConflictingOverloadsPrivateFunctions() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/conflictingOverloadsPrivateFunctions.kt");
+        }
+
         @Test
         @TestMetadata("Constants.kt")
         public void testConstants() throws Exception {