FIR: check assignments and references to members in constructors

I.e. emit VAL_REASSIGNMENT on repeated assignments to `this.something`,
UNINITIALIZED_VARIABLE on reads of it before any assignment if there is
no initializer, and CAPTURED_MEMBER_VAL_INITIALIZATION on assignments
inside non-called-in-place functions and named classes.

^KT-55528 Fixed

compiler/tests-spec/testData/diagnostics/notLinked/contracts/analysis/controlFlow/initialization/neg/1.fir.kt

@@ -41,8 +41,8 @@ class case_5 {
     <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>var value_5: Int<!>
     init {
         funWithAtMostOnceCallsInPlace { value_1 = 1 }
-        funWithUnknownCallsInPlace { value_2 = 1 }
-        funWithAtLeastOnceCallsInPlace { value_3 = 1 }
+        funWithUnknownCallsInPlace { <!VAL_REASSIGNMENT!>value_2<!> = 1 }
+        funWithAtLeastOnceCallsInPlace { <!VAL_REASSIGNMENT!>value_3<!> = 1 }
         funWithAtMostOnceCallsInPlace { value_4 = 2 }
         funWithUnknownCallsInPlace { value_5 = 3 }
     }

compiler/tests-spec/testData/diagnostics/notLinked/contracts/analysis/controlFlow/initialization/neg/3.fir.kt

@@ -39,7 +39,7 @@ class case_3(value_1: Any?) {
     init {
         if (value_1 is String) {
             funWithUnknownCallsInPlace { value_2 = 0 }
-            value_2.div(10)
+            <!UNINITIALIZED_VARIABLE!>value_2<!>.div(10)
         } else if (value_1 == null) {
             funWithAtLeastOnceCallsInPlace { value_2 = 1 }
             value_2.div(10)
@@ -47,7 +47,7 @@ class case_3(value_1: Any?) {
             value_2 = 2
         }
 
-        value_2.div(10)
+        <!UNINITIALIZED_VARIABLE!>value_2<!>.div(10)
     }
 }
 

compiler/tests-spec/testData/diagnostics/notLinked/contracts/analysis/controlFlow/initialization/neg/5.fir.kt

@@ -35,7 +35,7 @@ fun case_4() {
 fun case_5() {
     val value_1: Int
     val o = object {
-        fun l() { value_1 = 10 }
+        fun l() { <!CAPTURED_VAL_INITIALIZATION!>value_1<!> = 10 }
     }
     funWithExactlyOnceCallsInPlace(o::l)
     <!UNINITIALIZED_VARIABLE!>value_1<!>.inc()