[K/N] Deprecate and remove from supported list relaxed memory model

kotlin-native/backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2Native.kt

@@ -233,10 +233,7 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
                 put(ENABLE_ASSERTIONS, arguments.enableAssertions)
 
                 val memoryModelFromArgument = when (arguments.memoryModel) {
-                    "relaxed" -> {
-                        configuration.report(STRONG_WARNING, "Relaxed memory model is not yet fully functional")
-                        MemoryModel.RELAXED
-                    }
+                    "relaxed" -> MemoryModel.RELAXED
                     "strict" -> MemoryModel.STRICT
                     "experimental" -> MemoryModel.EXPERIMENTAL
                     else -> {

kotlin-native/backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2NativeCompilerArguments.kt

@@ -47,7 +47,7 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-manifest", valueDescription = "<path>", description = "Provide a maniferst addend file")
     var manifestFile: String? = null
 
-    @Argument(value="-memory-model", valueDescription = "<model>", description = "Memory model to use, 'strict', 'relaxed' and 'experimental' are currently supported")
+    @Argument(value="-memory-model", valueDescription = "<model>", description = "Memory model to use, 'strict' and 'experimental' are currently supported")
     var memoryModel: String? = "strict"
 
     @Argument(value="-module-name", deprecatedName = "-module_name", valueDescription = "<name>", description = "Specify a name for the compilation module")

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanConfig.kt

@@ -59,7 +59,12 @@ class KonanConfig(val project: Project, val configuration: CompilerConfiguration
     val memoryModel: MemoryModel by lazy {
         when (configuration.get(BinaryOptions.memoryModel)!!) {
             MemoryModel.STRICT -> MemoryModel.STRICT
-            MemoryModel.RELAXED -> MemoryModel.RELAXED
+            MemoryModel.RELAXED -> {
+                configuration.report(CompilerMessageSeverity.ERROR,
+                        "Relaxed memory model is deprecated and isn't expected to work right way with current Kotlin version." +
+                                " Use strict as default. ")
+                MemoryModel.STRICT
+            }
             MemoryModel.EXPERIMENTAL -> {
                 if (!target.supportsThreads()) {
                     configuration.report(CompilerMessageSeverity.STRONG_WARNING,

kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/KotlinNativeTest.kt

@@ -314,11 +314,7 @@ open class KonanLocalTest : KonanTest() {
             // TODO: as for now it captures output only in the driver task.
             // It should capture output from the build task using Gradle's LoggerManager and LoggerOutput
             val compilationLog = project.file("$executable.compilation.log").readText()
-            // TODO: ugly hack to fix irrelevant warnings.
-            val filteredCompilationLog = compilationLog.split('\n').filter {
-                it != "warning: relaxed memory model is not yet fully functional"
-            }.joinToString(separator = "\n")
-            output.stdOut = filteredCompilationLog + output.stdOut
+            output.stdOut = compilationLog + output.stdOut
         }
         output.check()
         output.print()