Minor: pass suspend flag to lambda's copy

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

@@ -754,7 +754,7 @@ public class FunctionCodegen {
             @NotNull List<ValueParameterDescriptor> destructuredParametersForSuspendLambda,
             int shiftForDestructuringVariables
     ) {
-        if (functionDescriptor.isSuspend()) {
+        if (functionDescriptor.isSuspend() && !(functionDescriptor instanceof AnonymousFunctionDescriptor)) {
             FunctionDescriptor unwrapped = CoroutineCodegenUtilKt.unwrapInitialDescriptorForSuspendFunction(
                     functionDescriptor
             );

compiler/backend/src/org/jetbrains/kotlin/codegen/binding/CodegenAnnotatingVisitor.java

@@ -611,7 +611,7 @@ class CodegenAnnotatingVisitor extends KtVisitorVoid {
             nameStack.push(name);
 
             if (functionDescriptor instanceof SimpleFunctionDescriptor && functionDescriptor.isSuspend()) {
-                createAndRecordSuspendFunctionView(closure, (SimpleFunctionDescriptor) functionDescriptor,true);
+                createAndRecordSuspendFunctionView(closure, (SimpleFunctionDescriptor) functionDescriptor, true);
             }
 
             functionsStack.push(functionDescriptor);

compiler/frontend/src/org/jetbrains/kotlin/descriptors/impl/AnonymousFunctionDescriptor.java

@@ -25,8 +25,7 @@ public class AnonymousFunctionDescriptor extends SimpleFunctionDescriptorImpl {
             @NotNull SourceElement source,
             boolean isSuspend
     ) {
-        super(containingDeclaration, null, annotations, SpecialNames.ANONYMOUS_FUNCTION, kind, source);
-        this.isSuspend = isSuspend;
+        this(containingDeclaration, null, annotations, SpecialNames.ANONYMOUS_FUNCTION, kind, source, isSuspend);
     }
 
     private AnonymousFunctionDescriptor(
@@ -35,10 +34,11 @@ public class AnonymousFunctionDescriptor extends SimpleFunctionDescriptorImpl {
             @NotNull Annotations annotations,
             @NotNull Name name,
             @NotNull Kind kind,
-            @NotNull SourceElement source
+            @NotNull SourceElement source,
+            boolean isSuspend
     ) {
         super(declarationDescriptor, original, annotations, name, kind, source);
-        this.isSuspend = false;
+        this.isSuspend = isSuspend;
     }
 
     @NotNull
@@ -57,7 +57,8 @@ public class AnonymousFunctionDescriptor extends SimpleFunctionDescriptorImpl {
                 annotations,
                 newName != null ? newName : getName(),
                 kind,
-                source
+                source,
+                isSuspend
         );
     }
 

core/descriptors/src/org/jetbrains/kotlin/descriptors/impl/FunctionDescriptorImpl.java

@@ -365,7 +365,6 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
         private Map<UserDataKey<?>, Object> userDataMap = new LinkedHashMap<UserDataKey<?>, Object>();
         private Boolean newHasSynthesizedParameterNames = null;
         protected boolean justForTypeSubstitution = false;
-        private boolean isSuspend;
 
         public CopyConfiguration(
                 @NotNull TypeSubstitution substitution,
@@ -376,8 +375,7 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
                 @NotNull List<ValueParameterDescriptor> newValueParameterDescriptors,
                 @Nullable KotlinType newExtensionReceiverParameterType,
                 @NotNull KotlinType newReturnType,
-                @Nullable Name name,
-                boolean isSuspend
+                @Nullable Name name
         ) {
             this.substitution = substitution;
             this.newOwner = newOwner;
@@ -388,7 +386,6 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
             this.newExtensionReceiverParameterType = newExtensionReceiverParameterType;
             this.newReturnType = newReturnType;
             this.name = name;
-            this.isSuspend = isSuspend;
         }
 
         @Override
@@ -570,7 +567,7 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
         return new CopyConfiguration(
                 substitutor.getSubstitution(),
                 getContainingDeclaration(), getModality(), getVisibility(), getKind(), getValueParameters(),
-                getExtensionReceiverParameterType(), getReturnType(), null, isSuspend);
+                getExtensionReceiverParameterType(), getReturnType(), null);
     }
 
     @Nullable
@@ -660,7 +657,7 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
         substitutedDescriptor.setExternal(isExternal);
         substitutedDescriptor.setInline(isInline);
         substitutedDescriptor.setTailrec(isTailrec);
-        substitutedDescriptor.setSuspend(configuration.isSuspend);
+        substitutedDescriptor.setSuspend(isSuspend);
         substitutedDescriptor.setExpect(isExpect);
         substitutedDescriptor.setActual(isActual);
         substitutedDescriptor.setHasStableParameterNames(hasStableParameterNames);