Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/torture/pr51436.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-additional-options "-Wno-return-type" } */ typedef __SIZE_TYPE__ size_t; extern "C" void *memcpy (void *, __const void *, size_t); template < class Dest, class Source > struct BitCastHelper { static Dest cast (const Source & source) __attribute__ ((always_inline)) { Dest dest; memcpy (0, &source, sizeof dest); } }; template < class Dest, class Source > Dest BitCast (Source) { BitCastHelper < Dest, Source >::cast (0); } class MaybeObject { }; class Object:MaybeObject { public: static Object *cast (Object *) { } }; class HeapObject:public Object { }; class String:public HeapObject { }; class ExternalString:public String { }; class ExternalTwoByteString:public ExternalString { }; template < typename T > class Handle { public: Handle () { } T *operator* () const; template < class S > static Handle < T > cast (Handle < S > that) { T::cast (*that); } T **location_; }; template < typename T > T * Handle < T >::operator* () const { *BitCast < T ** >(location_); } void TestCharacterStream () { Handle < String > uc16_string; Handle < ExternalTwoByteString >::cast (uc16_string); }