FIR: introduce ThrowableSubclassChecker

compiler/fir/analysis-tests/legacy-fir-tests/tests-gen/org/jetbrains/kotlin/fir/LazyBodyIsNotTouchedTilContractsPhaseTestGenerated.java

@@ -419,6 +419,11 @@ public class LazyBodyIsNotTouchedTilContractsPhaseTestGenerated extends Abstract
         runTest("compiler/fir/analysis-tests/testData/resolve/syntheticsVsNormalProperties.kt");
     }
 
+    @TestMetadata("throwableSubclass.kt")
+    public void testThrowableSubclass() throws Exception {
+        runTest("compiler/fir/analysis-tests/testData/resolve/throwableSubclass.kt");
+    }
+
     @TestMetadata("treeSet.kt")
     public void testTreeSet() throws Exception {
         runTest("compiler/fir/analysis-tests/testData/resolve/treeSet.kt");

compiler/fir/analysis-tests/testData/resolve/throwableSubclass.fir.txt

@@ -0,0 +1,67 @@
+FILE: throwableSubclass.kt
+    public final class Test1<T, B> : R|kotlin/Exception| {
+        public constructor<T, B>(): R|Test1<T, B>| {
+            super<R|kotlin/Exception|>()
+        }
+
+        public final inner class Test2<S, T, B> : R|kotlin/Throwable| {
+            public constructor<S>(): R|Test1.Test2<S, T, B>| {
+                super<R|kotlin/Throwable|>()
+            }
+
+        }
+
+        public final class Test3 : R|kotlin/NullPointerException| {
+            public constructor(): R|Test1.Test3| {
+                super<R|kotlin/NullPointerException|>()
+            }
+
+        }
+
+        public final object Test4 : R|kotlin/Throwable| {
+            private constructor(): R|Test1.Test4| {
+                super<R|kotlin/Throwable|>()
+            }
+
+        }
+
+    }
+    public final class Test5<T, B> : R|kotlin/Any| {
+        public constructor<T, B>(): R|Test5<T, B>| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final inner class Test6<T, B> : R|kotlin/Exception| {
+            public constructor(): R|Test5.Test6<T, B>| {
+                super<R|kotlin/Exception|>()
+            }
+
+        }
+
+        public final fun foo(): R|kotlin/Unit| {
+            local final class Test7 : R|kotlin/Throwable| {
+                public constructor(): R|Test5.Test7| {
+                    super<R|kotlin/Throwable|>()
+                }
+
+            }
+
+        }
+
+    }
+    public final fun <Z> topLevelFun(): R|kotlin/Unit| {
+        local final class Test8 : R|kotlin/Error| {
+            public constructor(): R|Test8| {
+                super<R|kotlin/Error|>()
+            }
+
+        }
+
+        lval obj: R|<anonymous><Z>| = object : R|kotlin/Throwable| {
+            private constructor(): R|<anonymous><Z>| {
+                super<R|kotlin/Throwable|>()
+            }
+
+        }
+
+    }

compiler/fir/analysis-tests/testData/resolve/throwableSubclass.kt

@@ -0,0 +1,18 @@
+class Test1<<!GENERIC_THROWABLE_SUBCLASS!>T<!>, B> : Exception() {
+     inner <!INNER_CLASS_OF_GENERIC_THROWABLE_SUBCLASS!>class Test2<!><<!GENERIC_THROWABLE_SUBCLASS!>S<!>> : Throwable()
+     class Test3 : NullPointerException()
+     object Test4 : Throwable() {}
+}
+
+class Test5<T, B> {
+     inner <!INNER_CLASS_OF_GENERIC_THROWABLE_SUBCLASS!>class Test6<!> : Exception()
+
+     fun foo() {
+         <!INNER_CLASS_OF_GENERIC_THROWABLE_SUBCLASS!>class Test7<!> : Throwable()
+     }
+}
+
+fun <Z> topLevelFun() {
+    <!INNER_CLASS_OF_GENERIC_THROWABLE_SUBCLASS!>class Test8<!> : Error()
+    val obj = <!INNER_CLASS_OF_GENERIC_THROWABLE_SUBCLASS{LT}!><!INNER_CLASS_OF_GENERIC_THROWABLE_SUBCLASS{PSI}!>object<!> : Throwable() {}<!>
+}

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

@@ -494,6 +494,12 @@ public class FirDiagnosticTestGenerated extends AbstractFirDiagnosticTest {
             runTest("compiler/fir/analysis-tests/testData/resolve/syntheticsVsNormalProperties.kt");
         }
 
+        @Test
+        @TestMetadata("throwableSubclass.kt")
+        public void testThrowableSubclass() throws Exception {
+            runTest("compiler/fir/analysis-tests/testData/resolve/throwableSubclass.kt");
+        }
+
         @Test
         @TestMetadata("treeSet.kt")
         public void testTreeSet() throws Exception {

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

@@ -497,6 +497,12 @@ public class FirDiagnosticsWithLightTreeTestGenerated extends AbstractFirDiagnos
             runTest("compiler/fir/analysis-tests/testData/resolve/syntheticsVsNormalProperties.kt");
         }
 
+        @Test
+        @TestMetadata("throwableSubclass.kt")
+        public void testThrowableSubclass() throws Exception {
+            runTest("compiler/fir/analysis-tests/testData/resolve/throwableSubclass.kt");
+        }
+
         @Test
         @TestMetadata("treeSet.kt")
         public void testTreeSet() throws Exception {