FIR checker: report VAL_REASSIGNMENT on value parameter

compiler/testData/diagnostics/tests/LValueAssignment.fir.kt

@@ -59,7 +59,7 @@ fun canBe(i0: Int, j: Int) {
     var i = i0
     (label@ i) = 34
 
-    (label@ j) = 34 //repeat for j
+    (label@ <!VAL_REASSIGNMENT!>j<!>) = 34 //repeat for j
 
     val a = A()
     (l@ a.a) = 3894
@@ -69,7 +69,7 @@ fun canBe(i0: Int, j: Int) {
 }
 
 fun canBe2(j: Int) {
-    (label@ j) = 34
+    (label@ <!VAL_REASSIGNMENT!>j<!>) = 34
 }
 
 class A() {

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

@@ -54,7 +54,7 @@ fun t2() {
 class A() {}
 
 fun t4(a: A) {
-    a = A()
+    <!VAL_REASSIGNMENT!>a<!> = A()
 }
 
 // ------------------------------------------------
@@ -188,7 +188,7 @@ class AnonymousInitializers(var a: String, val b: String) {
 }
 
 fun reassignFunParams(a: Int) {
-    a = 1
+    <!VAL_REASSIGNMENT!>a<!> = 1
 }
 
 open class Open(a: Int, w: Int) {}

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/deadCodeInUnaryExpr.fir.kt

@@ -5,7 +5,7 @@ fun testPrefix() {
 
 fun testPostfixWithCall(n: Nothing) {
     operator fun Nothing.inc(): Nothing = this
-    n++
+    <!VAL_REASSIGNMENT!>n<!>++
 }
 
 fun testPostfixSpecial() {

compiler/testData/diagnostics/tests/suppress/allWarnings/suppressWarningsOnClass.fir.kt

@@ -1,7 +0,0 @@
-@Suppress("warnings")
-class C {
-    fun foo(p: String??) {
-        // Make sure errors are not suppressed:
-        p = ""
-    }
-}

compiler/testData/diagnostics/tests/suppress/allWarnings/suppressWarningsOnClass.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 @Suppress("warnings")
 class C {
     fun foo(p: String??) {