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 9061e417143..69efcf4a4ec 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
@@ -21262,6 +21262,12 @@ public class DiagnosticCompilerTestFE10TestdataTestGenerated extends AbstractDia
                 runTest("compiler/testData/diagnostics/tests/modifiers/repeatedModifiers.kt");
             }
 
+            @Test
+            @TestMetadata("suspendAnonymousFunction.kt")
+            public void testSuspendAnonymousFunction() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/testData/diagnostics/tests/modifiers/const")
             @TestDataPath("$PROJECT_ROOT")
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 37001f80a67..00c34e9e2a9 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
@@ -21262,6 +21262,12 @@ public class LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated
                 runTest("compiler/testData/diagnostics/tests/modifiers/repeatedModifiers.kt");
             }
 
+            @Test
+            @TestMetadata("suspendAnonymousFunction.kt")
+            public void testSuspendAnonymousFunction() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/testData/diagnostics/tests/modifiers/const")
             @TestDataPath("$PROJECT_ROOT")
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 27e1c859594..9e01ca02e28 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
@@ -21262,6 +21262,12 @@ public class FirLightTreeOldFrontendDiagnosticsTestGenerated extends AbstractFir
                 runTest("compiler/testData/diagnostics/tests/modifiers/repeatedModifiers.kt");
             }
 
+            @Test
+            @TestMetadata("suspendAnonymousFunction.kt")
+            public void testSuspendAnonymousFunction() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/testData/diagnostics/tests/modifiers/const")
             @TestDataPath("$PROJECT_ROOT")
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 5acda395aeb..c4a4395e5a4 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
@@ -21268,6 +21268,12 @@ public class FirPsiOldFrontendDiagnosticsTestGenerated extends AbstractFirPsiDia
                 runTest("compiler/testData/diagnostics/tests/modifiers/repeatedModifiers.kt");
             }
 
+            @Test
+            @TestMetadata("suspendAnonymousFunction.kt")
+            public void testSuspendAnonymousFunction() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/testData/diagnostics/tests/modifiers/const")
             @TestDataPath("$PROJECT_ROOT")
diff --git a/compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.fir.kt b/compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.fir.kt
new file mode 100644
index 00000000000..c98c25018e2
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.fir.kt
@@ -0,0 +1,7 @@
+// ISSUE: KT-57991
+
+fun foo() {
+    <!WRONG_MODIFIER_TARGET!>suspend<!> fun() {
+
+    }
+}
diff --git a/compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt b/compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt
new file mode 100644
index 00000000000..826ebbe6ab6
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt
@@ -0,0 +1,7 @@
+// ISSUE: KT-57991
+
+fun foo() {
+    suspend fun() {
+
+    }
+}
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 b027acd2f8b..7b764b6fda9 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
@@ -21268,6 +21268,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                 runTest("compiler/testData/diagnostics/tests/modifiers/repeatedModifiers.kt");
             }
 
+            @Test
+            @TestMetadata("suspendAnonymousFunction.kt")
+            public void testSuspendAnonymousFunction() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/modifiers/suspendAnonymousFunction.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/testData/diagnostics/tests/modifiers/const")
             @TestDataPath("$PROJECT_ROOT")