Do not show Smart Step Into targets for @InlineOnly callables (KT-33728)

idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/stepping/smartStepInto/SmartStepTargetVisitor.kt

@@ -19,6 +19,7 @@ import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.idea.caches.resolve.analyze
 import org.jetbrains.kotlin.idea.caches.resolve.resolveToCall
 import org.jetbrains.kotlin.idea.codeInsight.DescriptorToSourceUtilsIde
+import org.jetbrains.kotlin.idea.debugger.breakpoints.isInlineOnly
 import org.jetbrains.kotlin.idea.project.platform
 import org.jetbrains.kotlin.idea.util.application.runReadAction
 import org.jetbrains.kotlin.load.java.isFromJava
@@ -185,6 +186,11 @@ class SmartStepTargetVisitor(
                 }
             }
 
+            // We can't step into @InlineOnly callables as there is no LVT, so skip them
+            if (declaration is KtCallableDeclaration && declaration.isInlineOnly()) {
+                return
+            }
+
             val callLabel = KotlinMethodSmartStepTarget.calcLabel(descriptor)
             val label = when (descriptor) {
                 is FunctionInvokeDescriptor -> {