KT-10670: Debugger: Evaluate Expression/Watches fail for inline function parameter initialized with default value

#KT-10670 Fixed

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

@@ -2425,7 +2425,8 @@ public class ExpressionCodegen extends KtVisitor<StackValue, StackValue> impleme
     private CallGenerator getOrCreateCallGenerator(
             @NotNull CallableDescriptor descriptor,
             @Nullable KtElement callElement,
-            @Nullable TypeParameterMappings typeParameterMappings
+            @Nullable TypeParameterMappings typeParameterMappings,
+            boolean isDefaultCompilation
     ) {
         if (callElement == null) return defaultCallGenerator;
 
@@ -2437,12 +2438,12 @@ public class ExpressionCodegen extends KtVisitor<StackValue, StackValue> impleme
         if (!isInline) return defaultCallGenerator;
 
         FunctionDescriptor original = DescriptorUtils.unwrapFakeOverride((FunctionDescriptor) descriptor.getOriginal());
-        return new InlineCodegen(this, state, original, callElement, typeParameterMappings);
+        return new InlineCodegen(this, state, original, callElement, typeParameterMappings, isDefaultCompilation);
     }
 
     @NotNull
     protected CallGenerator getOrCreateCallGeneratorForDefaultImplBody(@NotNull FunctionDescriptor descriptor, @Nullable KtNamedFunction function) {
-        return getOrCreateCallGenerator(descriptor, function, null);
+        return getOrCreateCallGenerator(descriptor, function, null, true);
     }
 
     @NotNull
@@ -2473,8 +2474,7 @@ public class ExpressionCodegen extends KtVisitor<StackValue, StackValue> impleme
             }
         }
         return getOrCreateCallGenerator(
-                resolvedCall.getResultingDescriptor(), resolvedCall.getCall().getCallElement(), mappings
-        );
+                resolvedCall.getResultingDescriptor(), resolvedCall.getCall().getCallElement(), mappings, false);
     }
 
 

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/InlineCodegen.java

@@ -85,6 +85,7 @@ public class InlineCodegen extends CallGenerator {
 
     private final ReifiedTypeInliner reifiedTypeInliner;
     @Nullable private final TypeParameterMappings typeParameterMappings;
+    private final boolean isDefaultCompilation;
 
     private LambdaInfo activeLambda;
 
@@ -95,11 +96,12 @@ public class InlineCodegen extends CallGenerator {
             @NotNull GenerationState state,
             @NotNull FunctionDescriptor function,
             @NotNull KtElement callElement,
-            @Nullable TypeParameterMappings typeParameterMappings
+            @Nullable TypeParameterMappings typeParameterMappings,
+            boolean isDefaultCompilation
     ) {
         assert InlineUtil.isInline(function) || InlineUtil.isArrayConstructorWithLambda(function) :
                 "InlineCodegen can inline only inline functions and array constructors: " + function;
-
+        this.isDefaultCompilation = isDefaultCompilation;
         this.state = state;
         this.typeMapper = state.getTypeMapper();
         this.codegen = codegen;
@@ -274,7 +276,7 @@ public class InlineCodegen extends CallGenerator {
 
         InliningContext info = new RootInliningContext(
                 expressionMap, state, codegen.getInlineNameGenerator().subGenerator(jvmSignature.getAsmMethod().getName()),
-                codegen.getContext(), callElement, getInlineCallSiteInfo(), reifiedTypeInliner, typeParameterMappings
+                codegen.getContext(), callElement, getInlineCallSiteInfo(), reifiedTypeInliner, typeParameterMappings, isDefaultCompilation
         );
 
         MethodInliner inliner = new MethodInliner(node, parameters, info, new FieldRemapper(null, null, parameters), isSameModule,

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

@@ -370,7 +370,10 @@ public class MethodInliner {
                     @NotNull String name, @NotNull String desc, String signature, @NotNull Label start, @NotNull Label end, int index
             ) {
                 if (isInliningLambda || InlineCodegenUtil.GENERATE_SMAP) {
-                    String varSuffix = inliningContext.isRoot() && !InlineCodegenUtil.isFakeLocalVariableForInline(name) ? INLINE_FUN_VAR_SUFFIX : "";
+                    String varSuffix = inliningContext.isRoot() &&
+                                       !((RootInliningContext) inliningContext).isDefaultCompilation &&
+                                       !InlineCodegenUtil.isFakeLocalVariableForInline(name) ?
+                                       INLINE_FUN_VAR_SUFFIX : "";
                     String varName = !varSuffix.isEmpty() && name.equals("this") ? name + "_" : name;
                     super.visitLocalVariable(varName + varSuffix, desc, signature, start, end, getNewIndex(index));
                 }

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/RootInliningContext.java

@@ -28,6 +28,7 @@ public class RootInliningContext extends InliningContext {
     public final CodegenContext startContext;
     private final InlineCallSiteInfo inlineCallSiteInfo;
     public final TypeParameterMappings typeParameterMappings;
+    public final boolean isDefaultCompilation;
     public final KtElement callElement;
 
     public RootInliningContext(
@@ -38,13 +39,15 @@ public class RootInliningContext extends InliningContext {
             @NotNull KtElement callElement,
             @NotNull InlineCallSiteInfo classNameToInline,
             @NotNull ReifiedTypeInliner inliner,
-            @Nullable TypeParameterMappings typeParameterMappings
+            @Nullable TypeParameterMappings typeParameterMappings,
+            boolean isDefaultCompilation
     ) {
         super(null, map, state, nameGenerator, TypeRemapper.createRoot(typeParameterMappings), inliner, false, false);
         this.callElement = callElement;
         this.startContext = startContext;
         this.inlineCallSiteInfo = classNameToInline;
         this.typeParameterMappings = typeParameterMappings;
+        this.isDefaultCompilation = isDefaultCompilation;
     }
 
     @Override