Methods visited for a special class must have an identifier.

[Fznamznon]

Was this one submitted?

[zahiraam]

In D118837#3395529, @Fznamznon wrote:

Was this one submitted?

Yes it was.

clang/lib/Sema/SemaDecl.cpp

if (const CXXRecordDecl *Parent =
       // C++ [class.union]p2
       //   A union can have member functions, but not virtual functions.
       if (isVirtual && Parent->isUnion()) {
         Diag(D.getDeclSpec().getVirtualSpecLoc(), diag::err_virtual_in_union);
         NewFD->setInvalidDecl();
       }
       if ((Parent->isClass() || Parent->isStruct()) &&
           Parent->hasAttr<SYCLSpecialClassAttr>() &&
-          NewFD->getKind() == Decl::Kind::CXXMethod &&
+          NewFD->getKind() == Decl::Kind::CXXMethod && NewFD->getIdentifier() &&
           NewFD->getName() == "__init" && D.isFunctionDefinition()) {
         if (auto *Def = Parent->getDefinition())
           Def->setInitMethod(true);
       }
     }
 
     SetNestedNameSpecifier(*this, NewFD, D);
     isMemberSpecialization = false;

clang/test/SemaSYCL/special-class-attribute.cpp

struct __attribute__((sycl_special_class)) struct2 {
   void __init(){}
 };
 
 class __attribute__((sycl_special_class)) class5;
 class class5 {
   void __init(){}
 };
 
+struct __attribute__((sycl_special_class)) struct6 {
+  struct6();
+  bool operator==(const struct6 &);
+  struct6 &operator()();
+  ~struct6();
+  void __init(){}
+};
+
 // Must have one and only one __init method defined
 class __attribute__((sycl_special_class)) class6 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
   class6() {}
 };
 class [[clang::sycl_special_class]] class7 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
   void __init();
 };
 
 class [[clang::sycl_special_class]] class8 { // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
   void __init();
   int func() {}
   void __init(int a){}
 };
 
 struct __attribute__((sycl_special_class)) struct3;
 struct struct3 {}; // expected-error {{types with 'sycl_special_class' attribute must have one and only one '__init' method defined}}
 
+// expected-error@+1{{'sycl_special_class' attribute must have one and only one '__init' method defined}}
+struct __attribute__((sycl_special_class)) struct7 {
+  struct7();
+  bool operator==(const struct7 &);
+  struct7 &operator()();
+  ~struct7();
+};
+
 // Only classes
 [[clang::sycl_special_class]] int var1 = 0;       // expected-warning {{'sycl_special_class' attribute only applies to classes}}
 __attribute__((sycl_special_class)) int var2 = 0; // expected-warning {{'sycl_special_class' attribute only applies to classes}}
 
 [[clang::sycl_special_class]] void foo1();       // expected-warning {{'sycl_special_class' attribute only applies to classes}}
 __attribute__((sycl_special_class)) void foo2(); // expected-warning {{'sycl_special_class' attribute only applies to classes}}
 
 // Attribute takes no arguments