[NI] Don't forget to analyze whole block for last postponed expression

compiler/testData/diagnostics/tests/functionLiterals/functionExpressionAsLastExpressionInBlock.kt

@@ -0,0 +1,15 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_EXPRESSION
+
+import java.util.HashSet
+
+fun test123() {
+    val g: (Int) -> Unit = if (true) {
+        val set = HashSet<Int>()
+        fun (i: Int) {
+            set.add(i)
+        }
+    }
+    else {
+        { it -> it }
+    }
+}

compiler/testData/diagnostics/tests/functionLiterals/functionExpressionAsLastExpressionInBlock.txt

@@ -0,0 +1,3 @@
+package
+
+public fun test123(): kotlin.Unit

compiler/testData/diagnostics/tests/functionLiterals/functionLIteralInBlockInIf.kt

@@ -1,11 +1,10 @@
-// !WITH_NEW_INFERENCE
 // !CHECK_TYPE
 fun test() {
     val a = if (true) {
         val x = 1
-        ({ <!NI;UNRESOLVED_REFERENCE!>x<!> })
+        ({ x })
     } else {
-        { <!NI;UNUSED_EXPRESSION!>2<!> }
+        { 2 }
     }
-    <!NI;DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>a<!> <!NI;DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>checkType<!> {  <!NI;UNRESOLVED_REFERENCE!>_<!><() -> Int>() }
+    a checkType {  _<() -> Int>() }
 }

compiler/testData/diagnostics/tests/functionLiterals/functionLiteralInIf.kt

@@ -1,13 +1,12 @@
-// !WITH_NEW_INFERENCE
 // !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_EXPRESSION
 
 import java.util.HashSet
 
 fun test123() {
     val g: (Int) -> Unit = if (true) {
-        val set = <!NI;DEBUG_INFO_MISSING_UNRESOLVED!>HashSet<!><<!NI;DEBUG_INFO_MISSING_UNRESOLVED!>Int<!>>();
+        val set = HashSet<Int>();
         { i ->
-            <!NI;UNRESOLVED_REFERENCE!>set<!>.<!NI;DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>add<!>(i)
+            set.add(i)
         }
     }
     else {