[FIR] Fix crash on incorrect call on ILT

^KT-62306 Fixed

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosticCompilerTestFE10TestdataTestGenerated.java

@@ -12300,6 +12300,12 @@ public class DiagnosticCompilerTestFE10TestdataTestGenerated extends AbstractDia
                 runTest("compiler/testData/diagnostics/tests/exceptions/expectedSomeTypesOnBranchForWhenExpressionOfErroneousType.kt");
             }
 
+            @Test
+            @TestMetadata("incorrectCallOnILT.kt")
+            public void testIncorrectCallOnILT() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/exceptions/incorrectCallOnILT.kt");
+            }
+
             @Test
             @TestMetadata("kt24158.kt")
             public void testKt24158() throws Exception {

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated.java

@@ -12300,6 +12300,12 @@ public class LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated
                 runTest("compiler/testData/diagnostics/tests/exceptions/expectedSomeTypesOnBranchForWhenExpressionOfErroneousType.kt");
             }
 
+            @Test
+            @TestMetadata("incorrectCallOnILT.kt")
+            public void testIncorrectCallOnILT() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/exceptions/incorrectCallOnILT.kt");
+            }
+
             @Test
             @TestMetadata("kt24158.kt")
             public void testKt24158() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirLightTreeOldFrontendDiagnosticsTestGenerated.java

@@ -12294,6 +12294,12 @@ public class FirLightTreeOldFrontendDiagnosticsTestGenerated extends AbstractFir
                 runTest("compiler/testData/diagnostics/tests/exceptions/expectedSomeTypesOnBranchForWhenExpressionOfErroneousType.kt");
             }
 
+            @Test
+            @TestMetadata("incorrectCallOnILT.kt")
+            public void testIncorrectCallOnILT() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/exceptions/incorrectCallOnILT.kt");
+            }
+
             @Test
             @TestMetadata("kt24158.kt")
             public void testKt24158() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirPsiOldFrontendDiagnosticsTestGenerated.java

@@ -12300,6 +12300,12 @@ public class FirPsiOldFrontendDiagnosticsTestGenerated extends AbstractFirPsiDia
                 runTest("compiler/testData/diagnostics/tests/exceptions/expectedSomeTypesOnBranchForWhenExpressionOfErroneousType.kt");
             }
 
+            @Test
+            @TestMetadata("incorrectCallOnILT.kt")
+            public void testIncorrectCallOnILT() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/exceptions/incorrectCallOnILT.kt");
+            }
+
             @Test
             @TestMetadata("kt24158.kt")
             public void testKt24158() throws Exception {

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/CandidateFactory.kt

@@ -125,7 +125,7 @@ class CandidateFactory private constructor(
         // There is no need to unwrap unary operators
         if (fir.valueParameters.isEmpty()) return this
         val original = fir.originalForWrappedIntegerOperator ?: return this
-        return if (callInfo.arguments.first().isIntegerLiteralOrOperatorCall()) {
+        return if (callInfo.arguments.firstOrNull()?.isIntegerLiteralOrOperatorCall() == true) {
             this
         } else {
             original

compiler/testData/diagnostics/tests/exceptions/incorrectCallOnILT.kt

@@ -0,0 +1,6 @@
+// FIR_IDENTICAL
+// ISSUE: KT-62306
+
+fun main() {
+    1.<!NONE_APPLICABLE!>plus<!>()
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java

@@ -12300,6 +12300,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                 runTest("compiler/testData/diagnostics/tests/exceptions/expectedSomeTypesOnBranchForWhenExpressionOfErroneousType.kt");
             }
 
+            @Test
+            @TestMetadata("incorrectCallOnILT.kt")
+            public void testIncorrectCallOnILT() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/exceptions/incorrectCallOnILT.kt");
+            }
+
             @Test
             @TestMetadata("kt24158.kt")
             public void testKt24158() throws Exception {