diff --git a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java
index 194f45bc1f4..122188cb409 100644
--- a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java
+++ b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java
@@ -423,6 +423,12 @@ public class DiagnosisCompilerTestFE10TestdataTestGenerated extends AbstractDiag
             runTest("compiler/testData/diagnostics/tests/kt435.kt");
         }
 
+        @Test
+        @TestMetadata("kt49438.kt")
+        public void testKt49438() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/kt49438.kt");
+        }
+
         @Test
         @TestMetadata("kt53.kt")
         public void testKt53() throws Exception {
diff --git a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java
index 1611b0b55b9..b2c3130bfb8 100644
--- a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java
+++ b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsTestGenerated.java
@@ -423,6 +423,12 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirDiagnosti
             runTest("compiler/testData/diagnostics/tests/kt435.kt");
         }
 
+        @Test
+        @TestMetadata("kt49438.kt")
+        public void testKt49438() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/kt49438.kt");
+        }
+
         @Test
         @TestMetadata("kt53.kt")
         public void testKt53() throws Exception {
diff --git a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java
index 0811c632fe5..720d4a6fd19 100644
--- a/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java
+++ b/compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendDiagnosticsWithLightTreeTestGenerated.java
@@ -423,6 +423,12 @@ public class FirOldFrontendDiagnosticsWithLightTreeTestGenerated extends Abstrac
             runTest("compiler/testData/diagnostics/tests/kt435.kt");
         }
 
+        @Test
+        @TestMetadata("kt49438.kt")
+        public void testKt49438() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/kt49438.kt");
+        }
+
         @Test
         @TestMetadata("kt53.kt")
         public void testKt53() throws Exception {
diff --git a/compiler/testData/diagnostics/tests/kt49438.fir.kt b/compiler/testData/diagnostics/tests/kt49438.fir.kt
new file mode 100644
index 00000000000..4d7ce968335
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/kt49438.fir.kt
@@ -0,0 +1,2 @@
+fun <K> foo(x: K) {}
+val x = foo<(<!UNRESOLVED_REFERENCE!>unresolved<!>) -> Float> { it.<!UNRESOLVED_REFERENCE!>toFloat<!>() }
diff --git a/compiler/testData/diagnostics/tests/kt49438.kt b/compiler/testData/diagnostics/tests/kt49438.kt
new file mode 100644
index 00000000000..8be2d309ad9
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/kt49438.kt
@@ -0,0 +1,2 @@
+fun <K> foo(x: K) {}
+val x = foo<(<!UNRESOLVED_REFERENCE!>unresolved<!>) -> Float> { <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>it<!>.<!DEBUG_INFO_MISSING_UNRESOLVED!>toFloat<!>() }
diff --git a/compiler/testData/diagnostics/tests/kt49438.txt b/compiler/testData/diagnostics/tests/kt49438.txt
new file mode 100644
index 00000000000..6b52f887c58
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/kt49438.txt
@@ -0,0 +1,4 @@
+package
+
+public val x: kotlin.Unit
+public fun </*0*/ K> foo(/*0*/ x: K): kotlin.Unit
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 7153c52f66e..9f5e643feaf 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
@@ -423,6 +423,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
             runTest("compiler/testData/diagnostics/tests/kt435.kt");
         }
 
+        @Test
+        @TestMetadata("kt49438.kt")
+        public void testKt49438() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/kt49438.kt");
+        }
+
         @Test
         @TestMetadata("kt53.kt")
         public void testKt53() throws Exception {