FIR CFA: add edges from maybe-throwing statements to catch/finally

compiler/testData/diagnostics/tests/controlFlowAnalysis/reassignmentInTryCatchWithJumps.fir.kt

@@ -13,7 +13,7 @@ fun f1(flag: Boolean) {
     }
     catch (e: Exception) {
         // KT-13612: reassignment
-        n = 3
+        <!VAL_REASSIGNMENT!>n<!> = 3
     }
     <!UNINITIALIZED_VARIABLE!>n<!>.hashCode()
 }
@@ -30,7 +30,7 @@ fun f2(flag: Boolean) {
         }
         catch (e: Exception) {
             // KT-13612: reassignment
-            n = 3
+            <!VAL_REASSIGNMENT!>n<!> = 3
         }
         <!UNINITIALIZED_VARIABLE!>n<!>.hashCode()
     }
@@ -48,7 +48,7 @@ fun f3(flag: Boolean) {
         }
         catch (e: Exception) {
             // KT-13612: reassignment
-            n = 3
+            <!VAL_REASSIGNMENT!>n<!> = 3
         }
         <!UNINITIALIZED_VARIABLE!>n<!>.hashCode()
     }

compiler/testData/diagnostics/tests/controlFlowAnalysis/smartCastInCatch.fir.kt

@@ -0,0 +1,21 @@
+// !SKIP_TXT
+
+fun exc(flag: Boolean) {
+    if (flag) throw RuntimeException()
+}
+
+fun test(flag: Boolean) {
+    var x: Any?
+    x = ""
+    try {
+        x = null
+        exc(flag)
+        x = 1
+        exc(!flag)
+        x = ""
+    } catch (e: Throwable) {
+        // all bad - could come here from either call
+        x.<!UNRESOLVED_REFERENCE!>length<!>
+        x.<!UNRESOLVED_REFERENCE!>inc<!>()
+    }
+}

compiler/testData/diagnostics/tests/controlFlowAnalysis/smartCastInCatch.kt

@@ -0,0 +1,21 @@
+// !SKIP_TXT
+
+fun exc(flag: Boolean) {
+    if (flag) throw RuntimeException()
+}
+
+fun test(flag: Boolean) {
+    var x: Any?
+    x = ""
+    try {
+        <!UNUSED_VALUE!>x =<!> null
+        exc(flag)
+        <!UNUSED_VALUE!>x =<!> 1
+        exc(!flag)
+        x = ""
+    } catch (e: Throwable) {
+        // all bad - could come here from either call
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length
+        x.<!UNRESOLVED_REFERENCE!>inc<!>()
+    }
+}