Revert "Fix backend for working with asm-7.0 beta (KT-27540, KT-27774)"

Original commit that cause this change was removed in asm 7.0 release

compiler/backend/src/org/jetbrains/kotlin/codegen/AsmUtil.java

@@ -51,10 +51,6 @@ import org.jetbrains.kotlin.types.SimpleType;
 import org.jetbrains.org.objectweb.asm.*;
 import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter;
 import org.jetbrains.org.objectweb.asm.commons.Method;
-import org.jetbrains.org.objectweb.asm.tree.AbstractInsnNode;
-import org.jetbrains.org.objectweb.asm.tree.InsnList;
-import org.jetbrains.org.objectweb.asm.tree.LabelNode;
-import org.jetbrains.org.objectweb.asm.tree.MethodNode;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -1233,21 +1229,4 @@ public class AsmUtil {
         //Trait always should have this descriptor
         return kind != OwnerKind.DEFAULT_IMPLS && isStaticMethod(kind, descriptor) ? 0 : 1;
     }
-
-    public static void resetLabelInfos(@NotNull MethodNode methodNode) {
-        //noinspection ConstantConditions
-        if (Opcodes.API_VERSION <= Opcodes.ASM6) {
-            return;
-        }
-
-        InsnList instructions = methodNode.instructions;
-        for (AbstractInsnNode inst = instructions.getFirst(); inst != null; inst = inst.getNext()) {
-            if (inst instanceof LabelNode) {
-                Label label = ((LabelNode) inst).getLabel();
-                if (label != null) {
-                    label.info = null;
-                }
-            }
-        }
-    }
 }

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/AnonymousObjectTransformer.kt

@@ -407,7 +407,6 @@ class AnonymousObjectTransformer(
 
         val first = intermediateMethodNode.instructions.first
         val oldStartLabel = (first as? LabelNode)?.label
-        AsmUtil.resetLabelInfos(intermediateMethodNode)
         intermediateMethodNode.accept(object : MethodBodyVisitor(capturedFieldInitializer) {
             override fun visitLocalVariable(
                     name: String, desc: String, signature: String?, start: Label, end: Label, index: Int

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/DeferredMethodVisitor.kt

@@ -16,7 +16,6 @@
 
 package org.jetbrains.kotlin.codegen.inline
 
-import org.jetbrains.kotlin.codegen.AsmUtil
 import org.jetbrains.org.objectweb.asm.MethodVisitor
 import org.jetbrains.org.objectweb.asm.tree.MethodNode
 
@@ -28,7 +27,6 @@ class DeferredMethodVisitor(
     override fun visitEnd() {
         super.visitEnd()
         val resultVisitor = resultNode()
-        AsmUtil.resetLabelInfos(intermediate)
         intermediate.accept(resultVisitor)
     }
 }

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/InlineCodegen.kt

@@ -290,7 +290,6 @@ abstract class InlineCodegen<out T : BaseExpressionCodegen>(
             removeFinallyMarkers(adapter)
         }
 
-        AsmUtil.resetLabelInfos(adapter)
         adapter.accept(MethodBodyVisitor(codegen.v))
 
         if (shouldSpillStack) {

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/InlineCodegenForDefaultBody.kt

@@ -70,7 +70,6 @@ class InlineCodegenForDefaultBody(
 
         val argsSize =
             (Type.getArgumentsAndReturnSizes(jvmSignature.asmMethod.descriptor) ushr 2) - if (callableMethod.isStaticCall()) 1 else 0
-        AsmUtil.resetLabelInfos(node)
         node.accept(object : InlineAdapter(transformedMethod, 0, childSourceMapper) {
             override fun visitLocalVariable(name: String, desc: String, signature: String?, start: Label, end: Label, index: Int) {
                 val startLabel = if (index < argsSize) methodStartLabel else start
@@ -78,7 +77,6 @@ class InlineCodegenForDefaultBody(
             }
         })
 
-        AsmUtil.resetLabelInfos(transformedMethod)
         transformedMethod.accept(MethodBodyVisitor(codegen.visitor))
     }
 

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/MethodInliner.kt

@@ -131,9 +131,7 @@ class MethodInliner(
         }
 
         processReturns(resultNode, labelOwner, remapReturn, end)
-
         //flush transformed node to output
-        AsmUtil.resetLabelInfos(resultNode)
         resultNode.accept(MethodBodyVisitor(adapter, true))
 
         sourceMapper.endMapping()
@@ -391,7 +389,6 @@ class MethodInliner(
             }
         }
 
-        AsmUtil.resetLabelInfos(node)
         node.accept(lambdaInliner)
 
         return resultNode