Fix psi2ir when type parameter bound goes after the type parameter

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DeclarationGenerator.kt

@@ -108,7 +108,7 @@ class DeclarationGenerator(override val context: GeneratorContext) : Generator {
         from: List<TypeParameterDescriptor>,
         declareTypeParameter: (Int, Int, TypeParameterDescriptor) -> IrTypeParameter
     ) {
-        from.mapTo(irTypeParametersOwner.typeParameters) { typeParameterDescriptor ->
+        val irTypeParameters = from.map { typeParameterDescriptor ->
             val ktTypeParameterDeclaration = DescriptorToSourceUtils.getSourceFromDescriptor(typeParameterDescriptor)
             val startOffset = ktTypeParameterDeclaration.startOffsetOrUndefined
             val endOffset = ktTypeParameterDeclaration.endOffsetOrUndefined
@@ -116,10 +116,14 @@ class DeclarationGenerator(override val context: GeneratorContext) : Generator {
                 startOffset,
                 endOffset,
                 typeParameterDescriptor
-            ).also { irTypeParameter ->
-                mapSuperClassifiers(typeParameterDescriptor, irTypeParameter)
-            }
+            )
         }
+
+        irTypeParameters.forEach {
+            mapSuperClassifiers(it.descriptor, it)
+        }
+
+        irTypeParametersOwner.typeParameters.addAll(irTypeParameters)
     }
 
     private fun mapSuperClassifiers(

compiler/testData/ir/irText/declarations/parameters/typeParameterBeforeBound.kt

@@ -0,0 +1,7 @@
+class Test1<T : U, U>
+
+fun <T : U, U> test2() {}
+
+var <T : U, U> Test1<T, U>.test3: Unit
+    get() {}
+    set(value) {}

compiler/testData/ir/irText/declarations/parameters/typeParameterBeforeBound.txt

@@ -0,0 +1,56 @@
+FILE fqName:<root> fileName:/typeParameterBeforeBound.kt
+  CLASS CLASS name:Test1 modality:FINAL visibility:public flags:
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test1<T, U> flags:
+    superClasses:
+      CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
+    TYPE_PARAMETER name:T index:0 variance: upperBounds:[U]
+      superClassifiers:
+        TYPE_PARAMETER name:U index:1 variance: upperBounds:[kotlin.Any?]
+    TYPE_PARAMETER name:U index:1 variance: upperBounds:[kotlin.Any?]
+      superClassifiers:
+        CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
+    CONSTRUCTOR visibility:public <> () returnType:Test1<T, U> flags:
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
+        INSTANCE_INITIALIZER_CALL classDescriptor='Test1'
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+      overridden:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
+  FUN name:test2 visibility:public modality:FINAL <T, U> () returnType:Unit flags:
+    TYPE_PARAMETER name:T index:0 variance: upperBounds:[U]
+      superClassifiers:
+        TYPE_PARAMETER name:U index:1 variance: upperBounds:[kotlin.Any?]
+    TYPE_PARAMETER name:U index:1 variance: upperBounds:[kotlin.Any?]
+      superClassifiers:
+        CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
+    BLOCK_BODY
+  PROPERTY name:test3 type:kotlin.Unit visibility:public modality:FINAL flags:var
+    FUN name:<get-test3> visibility:public modality:FINAL <T, U> ($receiver:Test1<T, U>) returnType:Unit flags:
+      TYPE_PARAMETER name:T index:0 variance: upperBounds:[U]
+        superClassifiers:
+          TYPE_PARAMETER name:U index:1 variance: upperBounds:[kotlin.Any?]
+      TYPE_PARAMETER name:U index:1 variance: upperBounds:[kotlin.Any?]
+        superClassifiers:
+          CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
+      $receiver: VALUE_PARAMETER name:<this> type:Test1<T, U> flags:
+      BLOCK_BODY
+    FUN name:<set-test3> visibility:public modality:FINAL <T, U> ($receiver:Test1<T, U>, value:kotlin.Unit) returnType:Unit flags:
+      TYPE_PARAMETER name:T index:0 variance: upperBounds:[U]
+        superClassifiers:
+          TYPE_PARAMETER name:U index:1 variance: upperBounds:[kotlin.Any?]
+      TYPE_PARAMETER name:U index:1 variance: upperBounds:[kotlin.Any?]
+        superClassifiers:
+          CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
+      $receiver: VALUE_PARAMETER name:<this> type:Test1<T, U> flags:
+      VALUE_PARAMETER name:value index:0 type:kotlin.Unit flags:
+      BLOCK_BODY

compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java

@@ -418,6 +418,12 @@ public class IrTextTestCaseGenerated extends AbstractIrTextTestCase {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/declarations/parameters/propertyAccessors.kt");
                 doTest(fileName);
             }
+
+            @TestMetadata("typeParameterBeforeBound.kt")
+            public void testTypeParameterBeforeBound() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/declarations/parameters/typeParameterBeforeBound.kt");
+                doTest(fileName);
+            }
         }
 
         @TestMetadata("compiler/testData/ir/irText/declarations/provideDelegate")