Do not report errors about bytecode version

#KT-41758

compiler/cli/src/org/jetbrains/kotlin/cli/common/messages/AnalyzerWithCompilerReport.kt

@@ -16,7 +16,6 @@
 
 package org.jetbrains.kotlin.cli.common.messages
 
-import com.intellij.openapi.util.io.FileUtil.toSystemDependentName
 import com.intellij.openapi.util.text.StringUtil
 import com.intellij.psi.*
 import com.intellij.psi.util.PsiFormatUtil
@@ -24,7 +23,6 @@ import org.jetbrains.kotlin.analyzer.AbstractAnalyzerWithCompilerReport
 import org.jetbrains.kotlin.analyzer.AnalysisResult
 import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
 import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity.*
-import org.jetbrains.kotlin.codegen.state.IncompatibleClassTrackerImpl
 import org.jetbrains.kotlin.config.AnalysisFlags
 import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.LanguageVersionSettings
@@ -33,16 +31,12 @@ import org.jetbrains.kotlin.diagnostics.*
 import org.jetbrains.kotlin.diagnostics.DiagnosticUtils.sortedDiagnostics
 import org.jetbrains.kotlin.diagnostics.rendering.DefaultErrorMessages
 import org.jetbrains.kotlin.load.java.components.TraceBasedErrorReporter
-import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmBytecodeBinaryVersion
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.resolve.AnalyzingUtils
-import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
 import org.jetbrains.kotlin.resolve.DescriptorUtils
 import org.jetbrains.kotlin.resolve.checkers.ExperimentalUsageChecker
 import org.jetbrains.kotlin.resolve.jvm.JvmBindingContextSlices
-import org.jetbrains.kotlin.resolve.jvm.JvmClassName
-import org.jetbrains.kotlin.serialization.deserialization.IncompatibleVersionErrorData
 
 class AnalyzerWithCompilerReport(
     private val messageCollector: MessageCollector,
@@ -246,33 +240,5 @@ class AnalyzerWithCompilerReport(
         fun reportSyntaxErrors(file: PsiElement, messageCollector: MessageCollector): SyntaxErrorReport {
             return reportSyntaxErrors(file, DefaultDiagnosticReporter(messageCollector))
         }
-
-        fun reportBytecodeVersionErrors(bindingContext: BindingContext, messageCollector: MessageCollector) {
-            val severity =
-                if (System.getProperty("kotlin.jvm.disable.bytecode.version.error") == "true") STRONG_WARNING
-                else ERROR
-
-            val locations = bindingContext.getKeys(IncompatibleClassTrackerImpl.BYTECODE_VERSION_ERRORS)
-            if (locations.isEmpty()) return
-
-            for (location in locations) {
-                val data = bindingContext.get(IncompatibleClassTrackerImpl.BYTECODE_VERSION_ERRORS, location)
-                    ?: error("Value is missing for key in binding context: $location")
-                reportIncompatibleBinaryVersion(messageCollector, data, severity)
-            }
-        }
-
-        private fun reportIncompatibleBinaryVersion(
-            messageCollector: MessageCollector,
-            data: IncompatibleVersionErrorData<JvmBytecodeBinaryVersion>,
-            severity: CompilerMessageSeverity
-        ) {
-            messageCollector.report(
-                severity,
-                "Class '" + JvmClassName.byClassId(data.classId) + "' was compiled with an incompatible version of Kotlin. " +
-                        "The binary version of its bytecode is " + data.actualVersion + ", expected version is " + data.expectedVersion,
-                CompilerMessageLocation.create(toSystemDependentName(data.filePath))
-            )
-        }
     }
 }

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinToJVMBytecodeCompiler.kt

@@ -409,10 +409,6 @@ object KotlinToJVMBytecodeCompiler {
                 environment.messageCollector
             )
 
-            AnalyzerWithCompilerReport.reportBytecodeVersionErrors(
-                generationState.extraJvmDiagnosticsTrace.bindingContext, environment.messageCollector
-            )
-
             performanceManager?.notifyIRGenerationFinished()
             performanceManager?.notifyGenerationFinished()
             ProgressIndicatorAndCompilationCanceledStatus.checkCanceled()
@@ -611,10 +607,6 @@ object KotlinToJVMBytecodeCompiler {
             environment.messageCollector
         )
 
-        AnalyzerWithCompilerReport.reportBytecodeVersionErrors(
-            generationState.extraJvmDiagnosticsTrace.bindingContext, environment.messageCollector
-        )
-
         ProgressIndicatorAndCompilationCanceledStatus.checkCanceled()
         return generationState
     }