Debugger: Hide call-site 'this' in inline functions in Kotlin variables mode (KT-30610)

compiler/backend/src/org/jetbrains/kotlin/codegen/AsmUtil.java

@@ -104,6 +104,8 @@ public class AsmUtil {
 
     public static final String LABELED_THIS_FIELD = THIS + "_";
 
+    public static final String INLINE_DECLARATION_SITE_THIS = "this_";
+
     public static final String LABELED_THIS_PARAMETER = "$" + THIS + "$";
 
     public static final String CAPTURED_THIS_FIELD = "this$0";

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/MethodInliner.kt

@@ -487,7 +487,7 @@ class MethodInliner(
             ) {
                 if (isInliningLambda || GENERATE_DEBUG_INFO) {
                     val varSuffix = if (inliningContext.isRoot && !isFakeLocalVariableForInline(name)) INLINE_FUN_VAR_SUFFIX else ""
-                    val varName = if (!varSuffix.isEmpty() && name == "this") name + "_" else name
+                    val varName = if (!varSuffix.isEmpty() && name == AsmUtil.THIS) AsmUtil.INLINE_DECLARATION_SITE_THIS else name
                     super.visitLocalVariable(varName + varSuffix, desc, signature, start, end, getNewIndex(index))
                 }
             }