diff --git a/compiler/testData/debug/localVariables/constructors/multipleConstructors.kt b/compiler/testData/debug/localVariables/constructors/multipleConstructors.kt
index 889ffba2305..4e97abd7255 100644
--- a/compiler/testData/debug/localVariables/constructors/multipleConstructors.kt
+++ b/compiler/testData/debug/localVariables/constructors/multipleConstructors.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // FILE: test.kt
 open class Base(i: Int)
 
@@ -17,35 +15,35 @@ fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:15 box:
-// test.kt:7 <init>: p:int=3:int
-// test.kt:6 <init>:
-// test.kt:4 <init>: i:int=1:int
-// test.kt:6 <init>:
-// test.kt:8 <init>: p:int=3:int
+// test.kt:13 box:
+// test.kt:5 <init>: p:int=3:int
+// test.kt:4 <init>:
+// test.kt:2 <init>: i:int=1:int
+// test.kt:4 <init>:
+// test.kt:6 <init>: p:int=3:int
 // EXPECTATIONS JVM_IR
-// test.kt:9 <init>: p:int=3:int, a:int=2:int
+// test.kt:7 <init>: p:int=3:int, a:int=2:int
 // EXPECTATIONS JVM JVM_IR
+// test.kt:13 box:
+// test.kt:14 box:
+// test.kt:9 <init>: p1:int=4:int, p2:int=5:int
+// test.kt:4 <init>:
+// test.kt:2 <init>: i:int=1:int
+// test.kt:4 <init>:
+// test.kt:9 <init>: p1:int=4:int, p2:int=5:int
+// test.kt:14 box:
 // test.kt:15 box:
-// test.kt:16 box:
-// test.kt:11 <init>: p1:int=4:int, p2:int=5:int
-// test.kt:6 <init>:
-// test.kt:4 <init>: i:int=1:int
-// test.kt:6 <init>:
-// test.kt:11 <init>: p1:int=4:int, p2:int=5:int
-// test.kt:16 box:
-// test.kt:17 box:
 
 // EXPECTATIONS JS_IR
+// test.kt:13 box:
+// test.kt:5 Derived_init_$Init$: p=3:number
+// test.kt:4 <init>:
+// test.kt:2 <init>: i=1:number
+// test.kt:4 <init>:
+// test.kt:6 Derived_init_$Init$: p=3:number
+// test.kt:14 box:
+// test.kt:9 Derived_init_$Init$: p1=4:number, p2=5:number
+// test.kt:4 <init>:
+// test.kt:2 <init>: i=1:number
+// test.kt:4 <init>:
 // test.kt:15 box:
-// test.kt:7 Derived_init_$Init$: p=3:number
-// test.kt:6 <init>:
-// test.kt:4 <init>: i=1:number
-// test.kt:6 <init>:
-// test.kt:8 Derived_init_$Init$: p=3:number
-// test.kt:16 box:
-// test.kt:11 Derived_init_$Init$: p1=4:number, p2=5:number
-// test.kt:6 <init>:
-// test.kt:4 <init>: i=1:number
-// test.kt:6 <init>:
-// test.kt:17 box:
diff --git a/compiler/testData/debug/localVariables/constructors/property.kt b/compiler/testData/debug/localVariables/constructors/property.kt
index 72b21eb8f6e..6b237ab3f4a 100644
--- a/compiler/testData/debug/localVariables/constructors/property.kt
+++ b/compiler/testData/debug/localVariables/constructors/property.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // FILE: test.kt
 class F(val a: String)
 
@@ -8,13 +6,13 @@ fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:7 box:
-// test.kt:4 <init>: a:java.lang.String="foo":java.lang.String
-// test.kt:7 box:
-// test.kt:8 box:
+// test.kt:5 box:
+// test.kt:2 <init>: a:java.lang.String="foo":java.lang.String
+// test.kt:5 box:
+// test.kt:6 box:
 
 // EXPECTATIONS JS_IR
-// test.kt:7 box:
-// test.kt:4 <init>: a="foo":kotlin.String
-// test.kt:4 <init>: a="foo":kotlin.String
-// test.kt:8 box:
+// test.kt:5 box:
+// test.kt:2 <init>: a="foo":kotlin.String
+// test.kt:2 <init>: a="foo":kotlin.String
+// test.kt:6 box:
diff --git a/compiler/testData/debug/localVariables/destructuring/assignmentCustomComponentNs.kt b/compiler/testData/debug/localVariables/destructuring/assignmentCustomComponentNs.kt
index c520a3d3cd5..906769f5212 100644
--- a/compiler/testData/debug/localVariables/destructuring/assignmentCustomComponentNs.kt
+++ b/compiler/testData/debug/localVariables/destructuring/assignmentCustomComponentNs.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // FILE: test.kt
 class MyPair(val x: String, val y: String) {
     operator fun component1(): String {
@@ -18,28 +16,28 @@ fun box(): String {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:15 box:
-// test.kt:4 <init>: x:java.lang.String="X":java.lang.String, y:java.lang.String="Y":java.lang.String
-// test.kt:15 box:
-// test.kt:16 box: p:MyPair=MyPair
-// test.kt:6 component1:
-// test.kt:16 box: p:MyPair=MyPair
-// test.kt:10 component2:
+// test.kt:13 box:
+// test.kt:2 <init>: x:java.lang.String="X":java.lang.String, y:java.lang.String="Y":java.lang.String
+// test.kt:13 box:
+// test.kt:14 box: p:MyPair=MyPair
+// test.kt:4 component1:
+// test.kt:14 box: p:MyPair=MyPair
+// test.kt:8 component2:
 // EXPECTATIONS JVM
-// test.kt:16 box: p:MyPair=MyPair
+// test.kt:14 box: p:MyPair=MyPair
 // EXPECTATIONS JVM_IR
-// test.kt:16 box: p:MyPair=MyPair, o:java.lang.String="O":java.lang.String
+// test.kt:14 box: p:MyPair=MyPair, o:java.lang.String="O":java.lang.String
 // EXPECTATIONS JVM JVM_IR
-// test.kt:17 box: p:MyPair=MyPair, o:java.lang.String="O":java.lang.String, k:java.lang.String="K":java.lang.String
+// test.kt:15 box: p:MyPair=MyPair, o:java.lang.String="O":java.lang.String, k:java.lang.String="K":java.lang.String
 
 // EXPECTATIONS JS_IR
-// test.kt:15 box:
-// test.kt:4 <init>: x="X":kotlin.String, y="Y":kotlin.String
-// test.kt:4 <init>: x="X":kotlin.String, y="Y":kotlin.String
-// test.kt:4 <init>: x="X":kotlin.String, y="Y":kotlin.String
-// test.kt:16 box: p=MyPair
-// test.kt:16 box: p=MyPair
-// test.kt:6 component1:
-// test.kt:16 box: p=MyPair, o="O":kotlin.String
-// test.kt:10 component2:
-// test.kt:17 box: p=MyPair, o="O":kotlin.String, k="K":kotlin.String
+// test.kt:13 box:
+// test.kt:2 <init>: x="X":kotlin.String, y="Y":kotlin.String
+// test.kt:2 <init>: x="X":kotlin.String, y="Y":kotlin.String
+// test.kt:2 <init>: x="X":kotlin.String, y="Y":kotlin.String
+// test.kt:14 box: p=MyPair
+// test.kt:14 box: p=MyPair
+// test.kt:4 component1:
+// test.kt:14 box: p=MyPair, o="O":kotlin.String
+// test.kt:8 component2:
+// test.kt:15 box: p=MyPair, o="O":kotlin.String, k="K":kotlin.String
diff --git a/compiler/testData/debug/localVariables/inlineProperty.kt b/compiler/testData/debug/localVariables/inlineProperty.kt
index 9c6195f5678..a4b7d03c317 100644
--- a/compiler/testData/debug/localVariables/inlineProperty.kt
+++ b/compiler/testData/debug/localVariables/inlineProperty.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // FILE: test.kt
 class A {
     inline val s: Int
@@ -13,20 +11,20 @@ fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:10 box:
-// test.kt:4 <init>:
-// test.kt:10 box:
-// test.kt:11 box: a:A=A
-// test.kt:6 box: a:A=A, this_$iv:A=A, $i$f$getS:int=0:int
-// test.kt:11 box: a:A=A
-// test.kt:12 box: a:A=A, y:int=1:int
-// test.kt:13 box: a:A=A, y:int=2:int
+// test.kt:8 box:
+// test.kt:2 <init>:
+// test.kt:8 box:
+// test.kt:9 box: a:A=A
+// test.kt:4 box: a:A=A, this_$iv:A=A, $i$f$getS:int=0:int
+// test.kt:9 box: a:A=A
+// test.kt:10 box: a:A=A, y:int=1:int
+// test.kt:11 box: a:A=A, y:int=2:int
 
 // EXPECTATIONS JS_IR
-// test.kt:10 box:
-// test.kt:4 <init>:
-// test.kt:6 box: a=A
-// test.kt:11 box: a=A
-// test.kt:12 box: a=A, y=1:number
-// test.kt:12 box: a=A, y=1:number
-// test.kt:13 box: a=A, y=2:number
+// test.kt:8 box:
+// test.kt:2 <init>:
+// test.kt:4 box: a=A
+// test.kt:9 box: a=A
+// test.kt:10 box: a=A, y=1:number
+// test.kt:10 box: a=A, y=1:number
+// test.kt:11 box: a=A, y=2:number
diff --git a/compiler/testData/debug/localVariables/jvmOverloads.kt b/compiler/testData/debug/localVariables/jvmOverloads.kt
index 1c4fc64bb88..cfe0dc53ea8 100644
--- a/compiler/testData/debug/localVariables/jvmOverloads.kt
+++ b/compiler/testData/debug/localVariables/jvmOverloads.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // TARGET_BACKEND: JVM
 // WITH_STDLIB
 // FILE: test.kt
@@ -13,8 +11,8 @@ fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:12 box:
-// test.kt:6 <init>:
-// test.kt:12 box:
-// test.kt:8 foo: firstParam:int=4:int, secondParam:java.lang.String="":java.lang.String
-// test.kt:13 box:
+// test.kt:10 box:
+// test.kt:4 <init>:
+// test.kt:10 box:
+// test.kt:6 foo: firstParam:int=4:int, secondParam:java.lang.String="":java.lang.String
+// test.kt:11 box:
diff --git a/compiler/testData/debug/localVariables/receiverMangling/capturedThisField.kt b/compiler/testData/debug/localVariables/receiverMangling/capturedThisField.kt
index 09cb67a4f48..69eb2e6f868 100644
--- a/compiler/testData/debug/localVariables/receiverMangling/capturedThisField.kt
+++ b/compiler/testData/debug/localVariables/receiverMangling/capturedThisField.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // FILE: test.kt
 class Foo {
     inner class Bar {
@@ -12,18 +10,18 @@ fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:10 box:
-// test.kt:4 <init>:
-// test.kt:10 box:
-// test.kt:11 box: x:Foo=Foo
-// test.kt:5 <init>:
-// test.kt:11 box: x:Foo=Foo
-// test.kt:12 box: x:Foo=Foo
+// test.kt:8 box:
+// test.kt:2 <init>:
+// test.kt:8 box:
+// test.kt:9 box: x:Foo=Foo
+// test.kt:3 <init>:
+// test.kt:9 box: x:Foo=Foo
+// test.kt:10 box: x:Foo=Foo
 
 // EXPECTATIONS JS_IR
-// test.kt:10 box:
-// test.kt:4 <init>:
-// test.kt:11 box: x=Foo
-// test.kt:5 <init>:
-// test.kt:5 <init>:
-// test.kt:12 box: x=Foo
+// test.kt:8 box:
+// test.kt:2 <init>:
+// test.kt:9 box: x=Foo
+// test.kt:3 <init>:
+// test.kt:3 <init>:
+// test.kt:10 box: x=Foo
diff --git a/compiler/testData/debug/localVariables/suspend/completion/nonStaticSimple.kt b/compiler/testData/debug/localVariables/suspend/completion/nonStaticSimple.kt
index edb177bf66a..e11ddb0cc5f 100644
--- a/compiler/testData/debug/localVariables/suspend/completion/nonStaticSimple.kt
+++ b/compiler/testData/debug/localVariables/suspend/completion/nonStaticSimple.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // Code generation problem with JVM backend.
 // IGNORE_BACKEND: JVM
 // FILE: test.kt
@@ -12,15 +10,15 @@ suspend fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:11 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:6 <init>:
-// test.kt:11 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:7 foo: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:11 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:12 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:9 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:4 <init>:
+// test.kt:9 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:5 foo: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:9 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:10 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
 
 // EXPECTATIONS JS_IR
-// test.kt:11 box: $completion=EmptyContinuation
-// test.kt:6 <init>:
-// test.kt:11 box: $completion=EmptyContinuation
-// test.kt:7 foo: $completion=EmptyContinuation
+// test.kt:9 box: $completion=EmptyContinuation
+// test.kt:4 <init>:
+// test.kt:9 box: $completion=EmptyContinuation
+// test.kt:5 foo: $completion=EmptyContinuation
diff --git a/compiler/testData/debug/localVariables/suspend/completion/nonStaticStateMachine.kt b/compiler/testData/debug/localVariables/suspend/completion/nonStaticStateMachine.kt
index ad8ab3b8583..dad0c88650d 100644
--- a/compiler/testData/debug/localVariables/suspend/completion/nonStaticStateMachine.kt
+++ b/compiler/testData/debug/localVariables/suspend/completion/nonStaticStateMachine.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // Code generation problem with JVM backend.
 // IGNORE_BACKEND: JVM
 // FILE: test.kt
@@ -17,29 +15,29 @@ suspend fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:16 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:6 <init>:
-// test.kt:16 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:8 foo1:
-// test.kt:9 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
-// test.kt:7 foo: $completion:kotlin.coroutines.Continuation=A$foo1$1
+// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:4 <init>:
+// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:6 foo1:
+// test.kt:7 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
+// test.kt:5 foo: $completion:kotlin.coroutines.Continuation=A$foo1$1
+// test.kt:7 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
+// test.kt:8 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
+// test.kt:5 foo: $completion:kotlin.coroutines.Continuation=A$foo1$1
+// test.kt:8 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
 // test.kt:9 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
 // test.kt:10 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
-// test.kt:7 foo: $completion:kotlin.coroutines.Continuation=A$foo1$1
-// test.kt:10 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
-// test.kt:11 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
-// test.kt:12 foo1: $continuation:kotlin.coroutines.Continuation=A$foo1$1, $result:java.lang.Object=null, l:long=42:long
-// test.kt:16 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:17 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:15 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
 
 // EXPECTATIONS JS_IR
-// test.kt:16 box: $completion=EmptyContinuation
-// test.kt:6 <init>:
-// test.kt:16 box: $completion=EmptyContinuation
-// test.kt:16 box: $completion=EmptyContinuation
+// test.kt:14 box: $completion=EmptyContinuation
+// test.kt:4 <init>:
+// test.kt:14 box: $completion=EmptyContinuation
+// test.kt:14 box: $completion=EmptyContinuation
+// test.kt:7 doResume:
+// test.kt:5 foo: $completion=$foo1COROUTINE$0
+// test.kt:8 doResume:
+// test.kt:5 foo: $completion=$foo1COROUTINE$0
 // test.kt:9 doResume:
-// test.kt:7 foo: $completion=$foo1COROUTINE$0
-// test.kt:10 doResume:
-// test.kt:7 foo: $completion=$foo1COROUTINE$0
-// test.kt:11 doResume:
-// test.kt:12 doResume: dead=kotlin.Long
+// test.kt:10 doResume: dead=kotlin.Long
diff --git a/compiler/testData/debug/localVariables/suspend/completion/staticSimpleReceiver.kt b/compiler/testData/debug/localVariables/suspend/completion/staticSimpleReceiver.kt
index 04d78dde765..1da33af3d7b 100644
--- a/compiler/testData/debug/localVariables/suspend/completion/staticSimpleReceiver.kt
+++ b/compiler/testData/debug/localVariables/suspend/completion/staticSimpleReceiver.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // Code generation problem with JVM backend.
 // IGNORE_BACKEND: JVM
 // FILE: test.kt
@@ -13,15 +11,15 @@ suspend fun box() {
 
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:11 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:6 <init>:
-// test.kt:11 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:8 foo: $this$foo:A=A, $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:11 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:12 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:9 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:4 <init>:
+// test.kt:9 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:6 foo: $this$foo:A=A, $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:9 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:10 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
 
 // EXPECTATIONS JS_IR
-// test.kt:11 box: $completion=EmptyContinuation
-// test.kt:6 <init>:
-// test.kt:11 box: $completion=EmptyContinuation
-// test.kt:8 foo: <this>=A, $completion=EmptyContinuation
+// test.kt:9 box: $completion=EmptyContinuation
+// test.kt:4 <init>:
+// test.kt:9 box: $completion=EmptyContinuation
+// test.kt:6 foo: <this>=A, $completion=EmptyContinuation
diff --git a/compiler/testData/debug/localVariables/suspend/completion/staticStateMachineReceiver.kt b/compiler/testData/debug/localVariables/suspend/completion/staticStateMachineReceiver.kt
index d1765c2fc8f..d3486ff40bd 100644
--- a/compiler/testData/debug/localVariables/suspend/completion/staticStateMachineReceiver.kt
+++ b/compiler/testData/debug/localVariables/suspend/completion/staticStateMachineReceiver.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // Code generation problem with JVM backend.
 // IGNORE_BACKEND: JVM
 // FILE: test.kt
@@ -19,29 +17,29 @@ suspend fun box() {
 // The lambda object constructor has a local variables table on the IR backend.
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:16 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:6 <init>:
-// test.kt:16 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:9 foo1:
-// test.kt:10 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, $this$foo1:A=A, l:long=42:long
-// test.kt:8 foo: $this$foo:A=A, $completion:kotlin.coroutines.Continuation=TestKt$foo1$1
-// test.kt:10 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, $this$foo1:A=A, l:long=42:long
-// test.kt:11 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, l:long=42:long, $this$foo1:A=A
-// test.kt:8 foo: $this$foo:A=A, $completion:kotlin.coroutines.Continuation=TestKt$foo1$1
+// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:4 <init>:
+// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:7 foo1:
+// test.kt:8 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, $this$foo1:A=A, l:long=42:long
+// test.kt:6 foo: $this$foo:A=A, $completion:kotlin.coroutines.Continuation=TestKt$foo1$1
+// test.kt:8 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, $this$foo1:A=A, l:long=42:long
+// test.kt:9 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, l:long=42:long, $this$foo1:A=A
+// test.kt:6 foo: $this$foo:A=A, $completion:kotlin.coroutines.Continuation=TestKt$foo1$1
+// test.kt:9 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, l:long=42:long
+// test.kt:10 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, l:long=42:long
 // test.kt:11 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, l:long=42:long
-// test.kt:12 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, l:long=42:long
-// test.kt:13 foo1: $continuation:kotlin.coroutines.Continuation=TestKt$foo1$1, $result:java.lang.Object=null, l:long=42:long
-// test.kt:16 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:17 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:15 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
 
 // EXPECTATIONS JS_IR
-// test.kt:16 box: $completion=EmptyContinuation
-// test.kt:6 <init>:
-// test.kt:16 box: $completion=EmptyContinuation
-// test.kt:16 box: $completion=EmptyContinuation
+// test.kt:14 box: $completion=EmptyContinuation
+// test.kt:4 <init>:
+// test.kt:14 box: $completion=EmptyContinuation
+// test.kt:14 box: $completion=EmptyContinuation
+// test.kt:8 doResume:
+// test.kt:6 foo: <this>=A, $completion=$foo1COROUTINE$0
+// test.kt:9 doResume:
+// test.kt:6 foo: <this>=A, $completion=$foo1COROUTINE$0
 // test.kt:10 doResume:
-// test.kt:8 foo: <this>=A, $completion=$foo1COROUTINE$0
-// test.kt:11 doResume:
-// test.kt:8 foo: <this>=A, $completion=$foo1COROUTINE$0
-// test.kt:12 doResume:
-// test.kt:13 doResume: dead=kotlin.Long
+// test.kt:11 doResume: dead=kotlin.Long
diff --git a/compiler/testData/debug/localVariables/suspend/underscoreNames.kt b/compiler/testData/debug/localVariables/suspend/underscoreNames.kt
index 6cd38122a26..e2c19d86a36 100644
--- a/compiler/testData/debug/localVariables/suspend/underscoreNames.kt
+++ b/compiler/testData/debug/localVariables/suspend/underscoreNames.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // WITH_STDLIB
 
 // FILE: test.kt
@@ -16,40 +14,40 @@ suspend fun box() = foo(A()) { (x_param, _, y_param) ->
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:6 <init>:
-// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:12 foo: a:A=A, block:kotlin.jvm.functions.Function2=TestKt$box$2, $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:7 component1:
+// test.kt:12 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:4 <init>:
+// test.kt:12 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:10 foo: a:A=A, block:kotlin.jvm.functions.Function2=TestKt$box$2, $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:5 component1:
 // EXPECTATIONS JVM
-// test.kt:14 invokeSuspend: $result:java.lang.Object=kotlin.Unit, $dstr$x_param$_u24__u24$y_param:A=A
+// test.kt:12 invokeSuspend: $result:java.lang.Object=kotlin.Unit, $dstr$x_param$_u24__u24$y_param:A=A
 // EXPECTATIONS JVM_IR
-// test.kt:14 invokeSuspend: $result:java.lang.Object=kotlin.Unit
+// test.kt:12 invokeSuspend: $result:java.lang.Object=kotlin.Unit
 // EXPECTATIONS JVM JVM_IR
-// test.kt:9 component3:
+// test.kt:7 component3:
 // EXPECTATIONS JVM_IR
-// test.kt:14 invokeSuspend: $result:java.lang.Object=kotlin.Unit, x_param:java.lang.String="O":java.lang.String
-// test.kt:15 invokeSuspend: $result:java.lang.Object=kotlin.Unit, x_param:java.lang.String="O":java.lang.String, y_param:java.lang.String="K":java.lang.String
+// test.kt:12 invokeSuspend: $result:java.lang.Object=kotlin.Unit, x_param:java.lang.String="O":java.lang.String
+// test.kt:13 invokeSuspend: $result:java.lang.Object=kotlin.Unit, x_param:java.lang.String="O":java.lang.String, y_param:java.lang.String="K":java.lang.String
 // EXPECTATIONS JVM
-// test.kt:14 invokeSuspend: $result:java.lang.Object=kotlin.Unit, $dstr$x_param$_u24__u24$y_param:A=A
-// test.kt:15 invokeSuspend: $result:java.lang.Object=kotlin.Unit, $dstr$x_param$_u24__u24$y_param:A=A, x_param:java.lang.String="O":java.lang.String, y_param:java.lang.String="K":java.lang.String
+// test.kt:12 invokeSuspend: $result:java.lang.Object=kotlin.Unit, $dstr$x_param$_u24__u24$y_param:A=A
+// test.kt:13 invokeSuspend: $result:java.lang.Object=kotlin.Unit, $dstr$x_param$_u24__u24$y_param:A=A, x_param:java.lang.String="O":java.lang.String, y_param:java.lang.String="K":java.lang.String
 // EXPECTATIONS JVM_IR
 // test.kt:-1 invoke: p1:A=A, p2:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
 // EXPECTATIONS JVM
 // test.kt:-1 invoke:
 // EXPECTATIONS JVM JVM_IR
-// test.kt:12 foo: a:A=A, block:kotlin.jvm.functions.Function2=TestKt$box$2, $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
-// test.kt:16 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:10 foo: a:A=A, block:kotlin.jvm.functions.Function2=TestKt$box$2, $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
+// test.kt:14 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
 
 // EXPECTATIONS JS_IR
-// test.kt:14 box: $completion=EmptyContinuation
-// test.kt:6 <init>:
-// test.kt:14 box: $completion=EmptyContinuation
-// test.kt:14 box$slambda:
-// test.kt:14 box: $completion=EmptyContinuation
-// test.kt:12 foo: a=A, block=Function2, $completion=EmptyContinuation
-// test.kt:14 doResume:
-// test.kt:7 component1:
-// test.kt:14 doResume: x_param="O":kotlin.String
-// test.kt:9 component3:
-// test.kt:15 doResume: x_param="O":kotlin.String, y_param="K":kotlin.String
+// test.kt:12 box: $completion=EmptyContinuation
+// test.kt:4 <init>:
+// test.kt:12 box: $completion=EmptyContinuation
+// test.kt:12 box$slambda:
+// test.kt:12 box: $completion=EmptyContinuation
+// test.kt:10 foo: a=A, block=Function2, $completion=EmptyContinuation
+// test.kt:12 doResume:
+// test.kt:5 component1:
+// test.kt:12 doResume: x_param="O":kotlin.String
+// test.kt:7 component3:
+// test.kt:13 doResume: x_param="O":kotlin.String, y_param="K":kotlin.String
diff --git a/compiler/testData/debug/stepping/lambdaStepInlineWithDefaults.kt b/compiler/testData/debug/stepping/lambdaStepInlineWithDefaults.kt
index 0f34959275b..1413e00473f 100644
--- a/compiler/testData/debug/stepping/lambdaStepInlineWithDefaults.kt
+++ b/compiler/testData/debug/stepping/lambdaStepInlineWithDefaults.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // FILE: test.kt
 inline fun foo(stringMaker: () -> String = { "OK" }): String {
     return stringMaker()
@@ -19,21 +17,21 @@ fun box(): String {
 }
 
 // EXPECTATIONS JVM JVM_IR
+// test.kt:14 box
+// test.kt:2 box
+// test.kt:3 box
+// test.kt:2 box
+// test.kt:3 box
+// test.kt:15 box
+// test.kt:6 box
+// test.kt:10 box
+// test.kt:7 box
+// test.kt:10 box
 // test.kt:16 box
-// test.kt:4 box
-// test.kt:5 box
-// test.kt:4 box
-// test.kt:5 box
-// test.kt:17 box
-// test.kt:8 box
-// test.kt:12 box
-// test.kt:9 box
-// test.kt:12 box
-// test.kt:18 box
 
 // EXPECTATIONS JS_IR
-// test.kt:4 box
-// test.kt:5 box
-// test.kt:9 box
-// test.kt:12 box
-// test.kt:18 box
+// test.kt:2 box
+// test.kt:3 box
+// test.kt:7 box
+// test.kt:10 box
+// test.kt:16 box
diff --git a/compiler/testData/debug/stepping/whenIsChecks.kt b/compiler/testData/debug/stepping/whenIsChecks.kt
index e70ce26674f..106453d39db 100644
--- a/compiler/testData/debug/stepping/whenIsChecks.kt
+++ b/compiler/testData/debug/stepping/whenIsChecks.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // FILE: test.kt
 
 fun foo(x: Any) {
@@ -20,36 +18,36 @@ fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
-// test.kt:17 box
+// test.kt:15 box
+// test.kt:4 foo
+// test.kt:5 foo
 // test.kt:6 foo
+// test.kt:12 foo
+// test.kt:16 box
+// test.kt:4 foo
+// test.kt:5 foo
 // test.kt:7 foo
 // test.kt:8 foo
-// test.kt:14 foo
-// test.kt:18 box
-// test.kt:6 foo
-// test.kt:7 foo
-// test.kt:9 foo
-// test.kt:10 foo
-// test.kt:14 foo
-// test.kt:19 box
-// test.kt:6 foo
-// test.kt:7 foo
-// test.kt:9 foo
 // test.kt:12 foo
-// test.kt:14 foo
-// test.kt:20 box
+// test.kt:17 box
+// test.kt:4 foo
+// test.kt:5 foo
+// test.kt:7 foo
+// test.kt:10 foo
+// test.kt:12 foo
+// test.kt:18 box
 
 // EXPECTATIONS JS_IR
+// test.kt:15 box
+// test.kt:4 foo
+// test.kt:5 foo
+// test.kt:12 foo
+// test.kt:16 box
+// test.kt:4 foo
+// test.kt:5 foo
+// test.kt:12 foo
 // test.kt:17 box
-// test.kt:6 foo
-// test.kt:7 foo
-// test.kt:14 foo
+// test.kt:4 foo
+// test.kt:5 foo
+// test.kt:12 foo
 // test.kt:18 box
-// test.kt:6 foo
-// test.kt:7 foo
-// test.kt:14 foo
-// test.kt:19 box
-// test.kt:6 foo
-// test.kt:7 foo
-// test.kt:14 foo
-// test.kt:20 box
diff --git a/compiler/testData/debug/stepping/whenNullalbeSubject.kt b/compiler/testData/debug/stepping/whenNullalbeSubject.kt
index e5d10f80225..b2912c641c4 100644
--- a/compiler/testData/debug/stepping/whenNullalbeSubject.kt
+++ b/compiler/testData/debug/stepping/whenNullalbeSubject.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND_K2_LIGHT_TREE: JVM_IR
-//   Reason: KT-56755
 // FILE: test.kt
 
 fun box() {
@@ -18,15 +16,15 @@ fun box() {
 }
 
 // EXPECTATIONS JVM JVM_IR
+// test.kt:4 box
+// test.kt:5 box
 // test.kt:6 box
-// test.kt:7 box
-// test.kt:8 box
-// test.kt:11 box
-// test.kt:15 box
-// test.kt:18 box
+// test.kt:9 box
+// test.kt:13 box
+// test.kt:16 box
 
 // EXPECTATIONS JS_IR
-// test.kt:6 box
-// test.kt:7 box
-// test.kt:7 box
-// test.kt:18 box
+// test.kt:4 box
+// test.kt:5 box
+// test.kt:5 box
+// test.kt:16 box