RawFirBuilder: fix label bounding for binary operations

#KT-57880 Fixed

compiler/fir/analysis-tests/testData/resolveWithStdlib/inference/plusAssignWithLambdaInRhs.dot

@@ -114,7 +114,7 @@ digraph plusAssignWithLambdaInRhs_kt {
             44 [label="Postponed exit from lambda"];
             45 [label="Function call: R|/A.A|<R|T|>(...)" style="filled" fillcolor=yellow];
             46 [label="Jump: ^postpone R|/A.A|<R|T|>(<L> = A@fun <anonymous>(resolve: R|(T) -> kotlin/Unit|): R|kotlin/Unit| <inline=NoInline>  {
-    R|<local>/queue|.R|kotlin/collections/plusAssign|<R|() -> kotlin/Unit|>(A@fun <anonymous>(): R|kotlin/Unit| <inline=Inline>  {
+    R|<local>/queue|.R|kotlin/collections/plusAssign|<R|() -> kotlin/Unit|>(fun <anonymous>(): R|kotlin/Unit| <inline=Inline>  {
         R|<local>/resolve|.R|SubstitutionOverride<kotlin/Function1.invoke: R|kotlin/Unit|>|(R|<local>/computation|.R|SubstitutionOverride<kotlin/Function0.invoke: R|T|>|())
     }
     )

compiler/fir/analysis-tests/testData/resolveWithStdlib/inference/plusAssignWithLambdaInRhs.fir.txt

@@ -18,7 +18,7 @@ FILE: plusAssignWithLambdaInRhs.kt
     public final fun <T> postpone(computation: R|() -> T|): R|A<T>| {
         lval queue: R|kotlin/collections/MutableList<kotlin/Function0<kotlin/Unit>>| = R|kotlin/collections/mutableListOf|<R|() -> kotlin/Unit|>()
         ^postpone R|/A.A|<R|T|>(<L> = A@fun <anonymous>(resolve: R|(T) -> kotlin/Unit|): R|kotlin/Unit| <inline=NoInline>  {
-            R|<local>/queue|.R|kotlin/collections/plusAssign|<R|() -> kotlin/Unit|>(A@fun <anonymous>(): R|kotlin/Unit| <inline=Inline>  {
+            R|<local>/queue|.R|kotlin/collections/plusAssign|<R|() -> kotlin/Unit|>(fun <anonymous>(): R|kotlin/Unit| <inline=Inline>  {
                 R|<local>/resolve|.R|SubstitutionOverride<kotlin/Function1.invoke: R|kotlin/Unit|>|(R|<local>/computation|.R|SubstitutionOverride<kotlin/Function0.invoke: R|T|>|())
             }
             )

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/ExpressionsConverter.kt

@@ -267,6 +267,8 @@ class ExpressionsConverter(
         val operationToken = operationTokenName.getOperationSymbol()
         if (operationToken == IDENTIFIER) {
             context.calleeNamesForLambda += operationTokenName.nameAsSafeName()
+        } else {
+            context.calleeNamesForLambda += null
         }
 
         val rightArgAsFir =
@@ -277,10 +279,8 @@ class ExpressionsConverter(
 
         val leftArgAsFir = getAsFirExpression<FirExpression>(leftArgNode, "No left operand")
 
-        if (operationToken == IDENTIFIER) {
-            // No need for the callee name since arguments are already generated
-            context.calleeNamesForLambda.removeLast()
-        }
+        // No need for the callee name since arguments are already generated
+        context.calleeNamesForLambda.removeLast()
 
         when (operationToken) {
             ELVIS ->

compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt

@@ -2380,15 +2380,15 @@ open class RawFirBuilder(
 
             if (operationToken == IDENTIFIER) {
                 context.calleeNamesForLambda += expression.operationReference.getReferencedNameAsName()
+            } else {
+                context.calleeNamesForLambda += null
             }
 
             val leftArgument = expression.left.toFirExpression("No left operand")
             val rightArgument = expression.right.toFirExpression("No right operand")
 
-            if (operationToken == IDENTIFIER) {
-                // No need for the callee name since arguments are already generated
-                context.calleeNamesForLambda.removeLast()
-            }
+            // No need for the callee name since arguments are already generated
+            context.calleeNamesForLambda.removeLast()
 
             val source = expression.toFirSourceElement()
 

compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/Context.kt

@@ -28,7 +28,7 @@ class Context<T> {
     val currentClassId get() = ClassId(packageFqName, className, inLocalContext)
 
     val firFunctionTargets = mutableListOf<FirFunctionTarget>()
-    val calleeNamesForLambda = mutableListOf<Name>()
+    val calleeNamesForLambda = mutableListOf<Name?>()
 
     @PrivateForInline
     val _firLabels = mutableListOf<FirLabel>()

compiler/testData/diagnostics/tests/labels/labelToOuterLambda.fir.kt

@@ -1,13 +0,0 @@
-// ISSUE: KT-57880
-
-fun outerLambda(action: String.() -> Unit) {}
-var lambda: Int.() -> Unit = {}
-fun consume(arg: String) {}
-
-fun main() {
-    outerLambda {
-        lambda = {
-            consume(<!ARGUMENT_TYPE_MISMATCH!>this@outerLambda<!>)
-        }
-    }
-}

compiler/testData/diagnostics/tests/labels/labelToOuterLambda.kt

@@ -1,8 +1,10 @@
+// FIR_IDENTICAL
 // ISSUE: KT-57880
 
 fun outerLambda(action: String.() -> Unit) {}
 var lambda: Int.() -> Unit = {}
 fun consume(arg: String) {}
+fun consumeInt(arg: Int) {}
 
 fun main() {
     outerLambda {
@@ -10,4 +12,10 @@ fun main() {
             consume(this@outerLambda)
         }
     }
+
+    outerLambda {
+        lambda = innerLambda@{
+            consumeInt(this@innerLambda)
+        }
+    }
 }