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 -> {

idea/jvm-debugger/jvm-debugger-test/test/org/jetbrains/kotlin/idea/debugger/test/SmartStepIntoTestGenerated.java

@@ -103,6 +103,11 @@ public class SmartStepIntoTestGenerated extends AbstractSmartStepIntoTest {
         runTest("idea/jvm-debugger/jvm-debugger-test/testData/smartStepInto/infixCall.kt");
     }
 
+    @TestMetadata("inlineOnly.kt")
+    public void testInlineOnly() throws Exception {
+        runTest("idea/jvm-debugger/jvm-debugger-test/testData/smartStepInto/inlineOnly.kt");
+    }
+
     @TestMetadata("inlinedFunLiteral.kt")
     public void testInlinedFunLiteral() throws Exception {
         runTest("idea/jvm-debugger/jvm-debugger-test/testData/smartStepInto/inlinedFunLiteral.kt");

idea/jvm-debugger/jvm-debugger-test/testData/smartStepInto/constructor.kt

@@ -41,4 +41,4 @@ class L {
     }
 }
 
-// EXISTS: println(Any?), constructor B(), constructor C(Int), constructor D(), constructor E(Int), constructor F(), constructor G(Int), constructor J(), constructor K(Int), constructor L()
+// EXISTS: constructor B(), constructor C(Int), constructor D(), constructor E(Int), constructor F(), constructor G(Int), constructor J(), constructor K(Int), constructor L()

idea/jvm-debugger/jvm-debugger-test/testData/smartStepInto/inlineOnly.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    val a = mutableListOf("A", "B").also { it.add("C") }<caret>
+    val b = a
+}
+
+// EXISTS: mutableListOf(vararg String)
+// EXISTS: also: block.invoke()

idea/jvm-debugger/jvm-debugger-test/testData/smartStepInto/libraryFun.kt

@@ -2,4 +2,6 @@ fun foo() {
     arrayListOf(1, 2).count()<caret>
 }
 
+fun <T> List<T>.count(): Int = size
+
 // EXISTS: arrayListOf(vararg Int), count()