[FE] Inline classes cannot have context receivers

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/Errors.java

@@ -385,6 +385,7 @@ public interface Errors {
     DiagnosticFactory0<PsiElement> INNER_CLASS_INSIDE_VALUE_CLASS = DiagnosticFactory0.create(ERROR);
     DiagnosticFactory0<PsiElement> VALUE_CLASS_CANNOT_BE_CLONEABLE = DiagnosticFactory0.create(ERROR);
     DiagnosticFactory0<PsiElement> INLINE_CLASS_DEPRECATED = DiagnosticFactory0.create(WARNING);
+    DiagnosticFactory0<KtContextReceiverList> INLINE_CLASS_CANNOT_HAVE_CONTEXT_RECEIVERS = DiagnosticFactory0.create(ERROR);
 
     // Result class
 

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java

@@ -761,6 +761,7 @@ public class DefaultErrorMessages {
         MAP.put(INNER_CLASS_INSIDE_VALUE_CLASS, "Value class cannot have inner classes");
         MAP.put(VALUE_CLASS_CANNOT_BE_CLONEABLE, "Value class cannot be Cloneable");
         MAP.put(INLINE_CLASS_DEPRECATED, "'inline' modifier is deprecated. Use 'value' instead");
+        MAP.put(INLINE_CLASS_CANNOT_HAVE_CONTEXT_RECEIVERS, "Inline classes cannot have context receivers");
 
         MAP.put(RESULT_CLASS_IN_RETURN_TYPE, "'kotlin.Result' cannot be used as a return type");
         MAP.put(RESULT_CLASS_WITH_NULLABLE_OPERATOR, "Expression of type 'kotlin.Result' cannot be used as a left operand of ''{0}''", STRING);

compiler/frontend/src/org/jetbrains/kotlin/resolve/checkers/InlineClassDeclarationChecker.kt

@@ -58,6 +58,12 @@ object InlineClassDeclarationChecker : DeclarationChecker {
             return
         }
 
+        if (declaration.contextReceivers.isNotEmpty()) {
+            val contextReceiverList = declaration.getContextReceiverList()
+            requireNotNull(contextReceiverList) { "Declaration cannot have context receivers with no context receiver list" }
+            trace.report(Errors.INLINE_CLASS_CANNOT_HAVE_CONTEXT_RECEIVERS.on(contextReceiverList))
+        }
+
         val modalityModifier = declaration.modalityModifier()
         if (modalityModifier != null && descriptor.modality != Modality.FINAL) {
             trace.report(Errors.VALUE_CLASS_NOT_FINAL.on(modalityModifier))