IR: fix mangling of toplevel properties

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java

@@ -4103,6 +4103,12 @@ public class FirBlackBoxInlineCodegenTestGenerated extends AbstractFirBlackBoxIn
         public void testFlexibleType() throws Exception {
             runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
         }
+
+        @Test
+        @TestMetadata("indices.kt")
+        public void testIndices() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/indices.kt");
+        }
     }
 
     @Nested

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/mangle/ir/IrMangleComputer.kt

@@ -232,7 +232,9 @@ abstract class IrMangleComputer(protected val builder: StringBuilder, private va
         declaration.parent.acceptVoid(this)
 
         val isStaticProperty = if (accessor != null)
-            accessor.let { it.dispatchReceiverParameter == null && declaration.parent !is IrPackageFragment }
+            accessor.let {
+                it.dispatchReceiverParameter == null && declaration.parent !is IrPackageFragment && !declaration.parent.isFacadeClass
+            }
         else {
             // Fake override for a Java field
             val backingField = declaration.resolveFakeOverride()?.backingField

compiler/testData/codegen/boxInline/signatureMangling/indices.kt

@@ -0,0 +1,10 @@
+// TARGET_BACKEND: JVM_IR
+// WITH_RUNTIME
+// FILE: 1.kt
+inline fun inlineCallingIndices(): String {
+    val i1 = arrayOf("one", "two").indices
+    return "OK"
+}
+
+// FILE: 2.kt
+fun box() = inlineCallingIndices()

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java

@@ -4103,6 +4103,12 @@ public class IrBlackBoxInlineCodegenTestGenerated extends AbstractIrBlackBoxInli
         public void testFlexibleType() throws Exception {
             runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
         }
+
+        @Test
+        @TestMetadata("indices.kt")
+        public void testIndices() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/indices.kt");
+        }
     }
 
     @Nested

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java

@@ -4103,6 +4103,12 @@ public class IrCompileKotlinAgainstInlineKotlinTestGenerated extends AbstractIrC
         public void testFlexibleType() throws Exception {
             runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
         }
+
+        @Test
+        @TestMetadata("indices.kt")
+        public void testIndices() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/indices.kt");
+        }
     }
 
     @Nested

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java

@@ -4103,6 +4103,12 @@ public class IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated extends Ab
         public void testFlexibleType() throws Exception {
             runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
         }
+
+        @Test
+        @TestMetadata("indices.kt")
+        public void testIndices() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/indices.kt");
+        }
     }
 
     @Nested

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java

@@ -4103,6 +4103,12 @@ public class JvmIrAgainstOldBoxInlineTestGenerated extends AbstractJvmIrAgainstO
         public void testFlexibleType() throws Exception {
             runTest("compiler/testData/codegen/boxInline/signatureMangling/flexibleType.kt");
         }
+
+        @Test
+        @TestMetadata("indices.kt")
+        public void testIndices() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/signatureMangling/indices.kt");
+        }
     }
 
     @Nested