Disable generation of 1.2 coroutine tests for JS_IR

Add directive DONT_TARGET_EXACT_BACKEND.
This directive is needed to exclude JS_IR backned but keep "compatible"
JS backend.

compiler/testData/codegen/box/coroutines/asyncIteratorNullMerge_1_2.kt

@@ -1,7 +1,8 @@
 // !LANGUAGE: -ReleaseCoroutines -ExperimentalBuilderInference
-// IGNORE_BACKEND: JVM_IR, JS_IR
+// IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
+// DONT_TARGET_EXACT_BACKEND: JS_IR
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/coroutines/asyncIteratorToList_1_2.kt

@@ -1,7 +1,8 @@
 // !LANGUAGE: -ReleaseCoroutines -ExperimentalBuilderInference
-// IGNORE_BACKEND: JVM_IR, JS_IR
+// IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
+// DONT_TARGET_EXACT_BACKEND: JS_IR
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/coroutines/asyncIterator_1_2.kt

@@ -1,7 +1,8 @@
 // !LANGUAGE: -ReleaseCoroutines -ExperimentalBuilderInference
-// IGNORE_BACKEND: JVM_IR, JS_IR
+// IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
+// DONT_TARGET_EXACT_BACKEND: JS_IR
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/coroutines/controlFlow/kt22694_1_2.kt

@@ -1,8 +1,8 @@
 // !LANGUAGE: -ReleaseCoroutines
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
+// DONT_TARGET_EXACT_BACKEND: JS_IR
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/coroutines/createCoroutinesOnManualInstances_1_2.kt

@@ -1,7 +1,7 @@
 // !LANGUAGE: -ReleaseCoroutines
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
+// DONT_TARGET_EXACT_BACKEND: JS_IR
 // IGNORE_BACKEND: JS
 
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/coroutines/reflect/isSuspend12.kt

@@ -1,9 +1,9 @@
 // !LANGUAGE: -ReleaseCoroutines
 // WITH_COROUTINES
 // WITH_REFLECT
+// DONT_TARGET_EXACT_BACKEND: JS_IR
 
 // IGNORE_BACKEND: NATIVE
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JS
 
 import helpers.*

compiler/testData/codegen/box/coroutines/suspendFunctionAsCoroutine/ifExpressionInsideCoroutine_1_2.kt

@@ -1,8 +1,8 @@
 // !LANGUAGE: -ReleaseCoroutines
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
+// DONT_TARGET_EXACT_BACKEND: JS_IR
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/coroutines/suspendInTheMiddleOfObjectConstructionEvaluationOrder.kt

@@ -4,6 +4,7 @@
 // WITH_RUNTIME
 // WITH_COROUTINES
 // COMMON_COROUTINES_TEST
+// KJS_WITH_FULL_RUNTIME
 import helpers.*
 import COROUTINES_PACKAGE.*
 import COROUTINES_PACKAGE.intrinsics.*

compiler/tests-common/tests/org/jetbrains/kotlin/test/InTextDirectivesUtils.java

@@ -221,6 +221,10 @@ public final class InTextDirectivesUtils {
     public static boolean isCompatibleTarget(TargetBackend targetBackend, File file) {
         if (targetBackend == TargetBackend.ANY) return true;
 
+        List<String> doNotTarget = findLinesWithPrefixesRemoved(textWithDirectives(file), "// DONT_TARGET_EXACT_BACKEND: ");
+        if (doNotTarget.contains(targetBackend.name()))
+            return false;
+
         List<String> backends = findLinesWithPrefixesRemoved(textWithDirectives(file), "// TARGET_BACKEND: ");
         return backends.isEmpty() || backends.contains(targetBackend.name()) || backends.contains(targetBackend.getCompatibleWith().name());
     }