[FIR] Disable failing blackbox codegen tests for FIR.

compiler/testData/codegen/box/operatorConventions/compareTo/boolean.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 fun checkLess(x: Boolean, y: Boolean) = when {
     x >= y    -> "Fail $x >= $y"
     !(x < y)  -> "Fail !($x < $y)"

compiler/testData/codegen/box/operatorConventions/compareTo/comparable.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 interface A : Comparable<A>
 
 class B(val x: Int) : A {

compiler/testData/codegen/box/operatorConventions/compareTo/doubleInt.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 fun checkLess(x: Double, y: Int) = when {
     x >= y    -> "Fail $x >= $y"
     !(x < y)  -> "Fail !($x < $y)"

compiler/testData/codegen/box/operatorConventions/compareTo/doubleLong.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 fun checkLess(x: Double, y: Long) = when {
     x >= y    -> "Fail $x >= $y"
     !(x < y)  -> "Fail !($x < $y)"

compiler/testData/codegen/box/operatorConventions/compareTo/extensionArray.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 fun checkLess(x: Array<Int>, y: Array<Int>) = when {
     x >= y    -> "Fail $x >= $y"
     !(x < y)  -> "Fail !($x < $y)"

compiler/testData/codegen/box/operatorConventions/compareTo/extensionObject.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 class A(val x: Int)
 
 operator fun A.compareTo(other: A) = x.compareTo(other.x)

compiler/testData/codegen/box/operatorConventions/compareTo/intDouble.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 fun checkLess(x: Int, y: Double) = when {
     x >= y    -> "Fail $x >= $y"
     !(x < y)  -> "Fail !($x < $y)"

compiler/testData/codegen/box/operatorConventions/compareTo/intLong.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 fun checkLess(x: Int, y: Long) = when {
     x >= y    -> "Fail $x >= $y"
     !(x < y)  -> "Fail !($x < $y)"

compiler/testData/codegen/box/operatorConventions/compareTo/longDouble.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 fun checkLess(x: Long, y: Double) = when {
     x >= y    -> "Fail $x >= $y"
     !(x < y)  -> "Fail !($x < $y)"

compiler/testData/codegen/box/operatorConventions/compareTo/longInt.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 fun checkLess(x: Long, y: Int) = when {
     x >= y    -> "Fail $x >= $y"
     !(x < y)  -> "Fail !($x < $y)"