[FIR] Fix IllegalStateException on broken import

#KT-55316 Fixed

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

@@ -13544,6 +13544,12 @@ public class DiagnosticCompilerTestFE10TestdataTestGenerated extends AbstractDia
                 runTest("compiler/testData/diagnostics/tests/imports/AllUnderImportsSamePriorityForProperty.kt");
             }
 
+            @Test
+            @TestMetadata("brokenImport.kt")
+            public void testBrokenImport() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/imports/brokenImport.kt");
+            }
+
             @Test
             @TestMetadata("CheckJavaVisibility.kt")
             public void testCheckJavaVisibility() throws Exception {

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

@@ -13544,6 +13544,12 @@ public class LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated
                 runTest("compiler/testData/diagnostics/tests/imports/AllUnderImportsSamePriorityForProperty.kt");
             }
 
+            @Test
+            @TestMetadata("brokenImport.kt")
+            public void testBrokenImport() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/imports/brokenImport.kt");
+            }
+
             @Test
             @TestMetadata("CheckJavaVisibility.kt")
             public void testCheckJavaVisibility() throws Exception {

compiler/cli/cli-base/src/org/jetbrains/kotlin/cli/jvm/index/JvmDependenciesIndexImpl.kt

@@ -112,7 +112,7 @@ class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependenciesIndex {
 
     private fun <T : Any> search(request: SearchRequest, handler: (VirtualFile, JavaRoot.RootType) -> T?): T? {
         // a list of package sub names, ["org", "jb", "kotlin"]
-        val packagesPath = request.packageFqName.pathSegments().map { it.identifier }
+        val packagesPath = request.packageFqName.pathSegments().map { it.identifierOrNullIfSpecial ?: return null }
         // a list of caches corresponding to packages, [default, "org", "org.jb", "org.jb.kotlin"]
         val caches = cachesPath(packagesPath)
 

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

@@ -13544,6 +13544,12 @@ public class FirLightTreeOldFrontendDiagnosticsTestGenerated extends AbstractFir
                 runTest("compiler/testData/diagnostics/tests/imports/AllUnderImportsSamePriorityForProperty.kt");
             }
 
+            @Test
+            @TestMetadata("brokenImport.kt")
+            public void testBrokenImport() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/imports/brokenImport.kt");
+            }
+
             @Test
             @TestMetadata("CheckJavaVisibility.kt")
             public void testCheckJavaVisibility() throws Exception {

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

@@ -13550,6 +13550,12 @@ public class FirPsiOldFrontendDiagnosticsTestGenerated extends AbstractFirPsiDia
                 runTest("compiler/testData/diagnostics/tests/imports/AllUnderImportsSamePriorityForProperty.kt");
             }
 
+            @Test
+            @TestMetadata("brokenImport.kt")
+            public void testBrokenImport() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/imports/brokenImport.kt");
+            }
+
             @Test
             @TestMetadata("CheckJavaVisibility.kt")
             public void testCheckJavaVisibility() throws Exception {

compiler/testData/diagnostics/tests/imports/brokenImport.fir.kt

@@ -0,0 +1,2 @@
+import foo.bar.baz
+import Outer.`<no name provided>`.getInner

compiler/testData/diagnostics/tests/imports/brokenImport.kt

@@ -0,0 +1,2 @@
+import <!UNRESOLVED_REFERENCE!>foo<!>.<!DEBUG_INFO_MISSING_UNRESOLVED!>bar<!>.<!DEBUG_INFO_MISSING_UNRESOLVED!>baz<!>
+import <!UNRESOLVED_REFERENCE!>Outer<!>.<!DEBUG_INFO_MISSING_UNRESOLVED!>`<no name provided>`<!>.<!DEBUG_INFO_MISSING_UNRESOLVED!>getInner<!>

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

@@ -13550,6 +13550,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                 runTest("compiler/testData/diagnostics/tests/imports/AllUnderImportsSamePriorityForProperty.kt");
             }
 
+            @Test
+            @TestMetadata("brokenImport.kt")
+            public void testBrokenImport() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/imports/brokenImport.kt");
+            }
+
             @Test
             @TestMetadata("CheckJavaVisibility.kt")
             public void testCheckJavaVisibility() throws Exception {