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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 typedef int __v2si __attribute__((__vector_size__(8)));
      3 typedef short __v4hi __attribute__((__vector_size__(8)));
      4 typedef short __v8hi __attribute__((__vector_size__(16)));
      5 
      6 struct S { }; // expected-note 2 {{candidate constructor}}
      7 
      8 void f() {
      9   __v2si v2si;
     10   __v4hi v4hi;
     11   __v8hi v8hi;
     12   unsigned long long ll;
     13   unsigned char c;
     14   S s;
     15 
     16   (void)reinterpret_cast<__v2si>(v4hi);
     17   (void)(__v2si)v4hi;
     18   (void)reinterpret_cast<__v4hi>(v2si);
     19   (void)(__v4hi)v2si;
     20   (void)reinterpret_cast<unsigned long long>(v2si);
     21   (void)(unsigned long long)v2si;
     22   (void)reinterpret_cast<__v2si>(ll);
     23   (void)(__v2si)(ll);
     24 
     25   (void)reinterpret_cast<S>(v2si); // expected-error {{reinterpret_cast from '__v2si' to 'S' is not allowed}}
     26   (void)(S)v2si; // expected-error {{no matching conversion for C-style cast from '__v2si' to 'S'}}
     27   (void)reinterpret_cast<__v2si>(s); // expected-error {{reinterpret_cast from 'S' to '__v2si' is not allowed}}
     28   (void)(__v2si)s; // expected-error {{cannot convert 'S' to '__v2si' without a conversion operator}}
     29 
     30   (void)reinterpret_cast<unsigned char>(v2si); // expected-error {{reinterpret_cast from vector '__v2si' to scalar 'unsigned char' of different size}}
     31   (void)(unsigned char)v2si; // expected-error {{C-style cast from vector '__v2si' to scalar 'unsigned char' of different size}}
     32   (void)reinterpret_cast<__v2si>(c); // expected-error {{reinterpret_cast from scalar 'unsigned char' to vector '__v2si' of different size}}
     33 
     34   (void)reinterpret_cast<__v8hi>(v4hi); // expected-error {{reinterpret_cast from vector '__v4hi' to vector '__v8hi' of different size}}
     35   (void)(__v8hi)v4hi; // expected-error {{C-style cast from vector '__v4hi' to vector '__v8hi' of different size}}
     36   (void)reinterpret_cast<__v4hi>(v8hi); // expected-error {{reinterpret_cast from vector '__v8hi' to vector '__v4hi' of different size}}
     37   (void)(__v4hi)v8hi; // expected-error {{C-style cast from vector '__v8hi' to vector '__v4hi' of different size}}
     38 }
     39 
     40 
     41