Fix type arguments mapping

compiler/testData/ir/irText/classes/classes.txt

@@ -82,7 +82,7 @@ FILE fqName:<root> fileName:/classes.kt
     CONSTRUCTOR visibility:private <> () returnType:TestEnumClass flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: TestEnumClass
         INSTANCE_INITIALIZER_CALL classDescriptor='TestEnumClass'
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>) returnType:Any flags:
       overridden:

compiler/testData/ir/irText/classes/dataClassWithArrayMembers.txt

@@ -493,7 +493,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='copy(Array<T> = ...): Test2<T>'
           CALL 'constructor Test2(Array<T>)' type=Test2<T> origin=null
-            <T>: null
+            <T>: T
             genericArray: GET_VAR 'value-parameter genericArray: Array<T> = ...' type=kotlin.Array<T> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test2<T>) returnType:String flags:
       overridden:

compiler/testData/ir/irText/classes/dataClassesGeneric.txt

@@ -36,7 +36,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='copy(T = ...): Test1<T>'
           CALL 'constructor Test1(T)' type=Test1<T> origin=null
-            <T>: null
+            <T>: T
             x: GET_VAR 'value-parameter x: T = ...' type=T origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test1<T>) returnType:String flags:
       overridden:

compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt

@@ -43,7 +43,7 @@ FILE fqName:<root> fileName:/delegatingConstructorCallToTypeAliasConstructor.kt
     CONSTRUCTOR visibility:public <> () returnType:C1 flags:
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Cell(String)'
-          <T>: null
+          <T>: String
           value: CONST String type=kotlin.String value=O
         INSTANCE_INITIALIZER_CALL classDescriptor='C1'
     PROPERTY FAKE_OVERRIDE name:value type:kotlin.String visibility:public modality:FINAL flags:val
@@ -71,7 +71,7 @@ FILE fqName:<root> fileName:/delegatingConstructorCallToTypeAliasConstructor.kt
     CONSTRUCTOR visibility:public <> () returnType:C2 flags:
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Cell(String)'
-          <T>: null
+          <T>: String
           value: CONST String type=kotlin.String value=K
         INSTANCE_INITIALIZER_CALL classDescriptor='C2'
     PROPERTY FAKE_OVERRIDE name:value type:kotlin.String visibility:public modality:FINAL flags:val

compiler/testData/ir/irText/classes/enum.txt

@@ -6,7 +6,7 @@ FILE fqName:<root> fileName:/enum.kt
     CONSTRUCTOR visibility:private <> () returnType:TestEnum1 flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: TestEnum1
         INSTANCE_INITIALIZER_CALL classDescriptor='TestEnum1'
     ENUM_ENTRY name:TEST1
       init: ENUM_CONSTRUCTOR_CALL 'constructor TestEnum1()'
@@ -65,7 +65,7 @@ FILE fqName:<root> fileName:/enum.kt
       VALUE_PARAMETER name:x index:0 type:kotlin.Int flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: TestEnum2
         INSTANCE_INITIALIZER_CALL classDescriptor='TestEnum2'
     PROPERTY name:x type:kotlin.Int visibility:public modality:FINAL flags:val
       FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
@@ -138,7 +138,7 @@ FILE fqName:<root> fileName:/enum.kt
     CONSTRUCTOR visibility:private <> () returnType:TestEnum3 flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: TestEnum3
         INSTANCE_INITIALIZER_CALL classDescriptor='TestEnum3'
     ENUM_ENTRY name:TEST
       init: ENUM_CONSTRUCTOR_CALL 'constructor TEST()'
@@ -252,7 +252,7 @@ FILE fqName:<root> fileName:/enum.kt
       VALUE_PARAMETER name:x index:0 type:kotlin.Int flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: TestEnum4
         INSTANCE_INITIALIZER_CALL classDescriptor='TestEnum4'
     PROPERTY name:x type:kotlin.Int visibility:public modality:FINAL flags:val
       FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
@@ -461,7 +461,7 @@ FILE fqName:<root> fileName:/enum.kt
           CONST Int type=kotlin.Int value=0
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: TestEnum5
         INSTANCE_INITIALIZER_CALL classDescriptor='TestEnum5'
     PROPERTY name:x type:kotlin.Int visibility:public modality:FINAL flags:val
       FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public

compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt

@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
       VALUE_PARAMETER name:x index:0 type:kotlin.Int flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: Test0
         INSTANCE_INITIALIZER_CALL classDescriptor='Test0'
     PROPERTY name:x type:kotlin.Int visibility:public modality:FINAL flags:val
       FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
@@ -78,7 +78,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
       VALUE_PARAMETER name:x index:0 type:kotlin.Int flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: Test1
         INSTANCE_INITIALIZER_CALL classDescriptor='Test1'
     PROPERTY name:x type:kotlin.Int visibility:public modality:FINAL flags:val
       FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
@@ -152,7 +152,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
       VALUE_PARAMETER name:x index:0 type:kotlin.Int flags:
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
-          <E : Enum<E>>: null
+          <E : Enum<E>>: Test2
         INSTANCE_INITIALIZER_CALL classDescriptor='Test2'
     PROPERTY name:x type:kotlin.Int visibility:public modality:FINAL flags:val
       FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public