JVM_IR: don't generate repeated ElementType values in @Target

compiler/fir/fir2ir/tests/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java

@@ -61,6 +61,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/annotations/annotationProperty.kt");
         }
 
+        @TestMetadata("annotationTargets.kt")
+        public void testAnnotationTargets() throws Exception {
+            runTest("compiler/testData/codegen/box/annotations/annotationTargets.kt");
+        }
+
         @TestMetadata("annotationWithKotlinProperty.kt")
         public void testAnnotationWithKotlinProperty() throws Exception {
             runTest("compiler/testData/codegen/box/annotations/annotationWithKotlinProperty.kt");

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/AdditionalClassAnnotationLowering.kt

@@ -192,7 +192,7 @@ private class AdditionalClassAnnotationLowering(private val context: JvmBackendC
             ?: throw AssertionError("No annotation target map for JVM target $jvmTarget")
 
         val targets = irClass.applicableTargetSet() ?: return
-        val javaTargets = targets.mapNotNull { annotationTargetMap[it] }
+        val javaTargets = targets.mapNotNull { annotationTargetMap[it] }.toSet()
 
         val vararg = IrVarargImpl(
             UNDEFINED_OFFSET, UNDEFINED_OFFSET,

compiler/testData/codegen/box/annotations/annotationTargets.kt

@@ -0,0 +1,23 @@
+// TARGET_BACKEND: JVM
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_RUNTIME
+// FULL_JDK
+
+@Target(
+    AnnotationTarget.FUNCTION, AnnotationTarget.FIELD,
+    AnnotationTarget.PROPERTY, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER
+)
+public annotation class TestAnn
+
+fun box(): String {
+    val testAnnClass = TestAnn::class.java
+    val targetAnn = testAnnClass.getAnnotation(java.lang.annotation.Target::class.java)
+    val targets = targetAnn.value
+    if (targets.size != 2) {
+        return targets.toList().toString()
+    }
+    if (targets.toSet() != setOf(java.lang.annotation.ElementType.FIELD, java.lang.annotation.ElementType.METHOD)) {
+        return targets.toList().toString()
+    }
+    return "OK"
+}

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -61,6 +61,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/annotations/annotationProperty.kt");
         }
 
+        @TestMetadata("annotationTargets.kt")
+        public void testAnnotationTargets() throws Exception {
+            runTest("compiler/testData/codegen/box/annotations/annotationTargets.kt");
+        }
+
         @TestMetadata("annotationWithKotlinProperty.kt")
         public void testAnnotationWithKotlinProperty() throws Exception {
             runTest("compiler/testData/codegen/box/annotations/annotationWithKotlinProperty.kt");

compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -61,6 +61,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/annotations/annotationProperty.kt");
         }
 
+        @TestMetadata("annotationTargets.kt")
+        public void testAnnotationTargets() throws Exception {
+            runTest("compiler/testData/codegen/box/annotations/annotationTargets.kt");
+        }
+
         @TestMetadata("annotationWithKotlinProperty.kt")
         public void testAnnotationWithKotlinProperty() throws Exception {
             runTest("compiler/testData/codegen/box/annotations/annotationWithKotlinProperty.kt");

compiler/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java

@@ -61,6 +61,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/annotations/annotationProperty.kt");
         }
 
+        @TestMetadata("annotationTargets.kt")
+        public void testAnnotationTargets() throws Exception {
+            runTest("compiler/testData/codegen/box/annotations/annotationTargets.kt");
+        }
+
         @TestMetadata("annotationWithKotlinProperty.kt")
         public void testAnnotationWithKotlinProperty() throws Exception {
             runTest("compiler/testData/codegen/box/annotations/annotationWithKotlinProperty.kt");