forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			67 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -triple %itanium_abi_triple %s -S -emit-llvm -o - | FileCheck %s
 | |
| // PR4262
 | |
| 
 | |
| // CHECK-NOT: _ZNSs12_S_constructIPKcEEPcT_S3_RKSaIcESt20forward_iterator_tag
 | |
| 
 | |
| // The "basic_string" extern template instantiation declaration is supposed to
 | |
| // suppress the implicit instantiation of non-inline member functions. Make sure
 | |
| // that we suppress the implicit instantiation of non-inline member functions
 | |
| // defined out-of-line. That we aren't instantiating the basic_string
 | |
| // constructor when we shouldn't be. Such an instantiation forces the implicit
 | |
| // instantiation of _S_construct<const char*>. Since _S_construct is a member
 | |
| // template, it's instantiation is *not* suppressed (despite being in
 | |
| // basic_string<char>), so we would emit it as a weak definition.
 | |
| 
 | |
| #define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
 | |
| #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
 | |
| #define _LIBCPP_VISIBLE __attribute__ ((__visibility__("default")))
 | |
| #if (__has_feature(cxx_noexcept))
 | |
| #  define _NOEXCEPT noexcept
 | |
| #  define _NOEXCEPT_(x) noexcept(x)
 | |
| #else
 | |
| #  define _NOEXCEPT throw()
 | |
| #  define _NOEXCEPT_(x)
 | |
| #endif
 | |
| 
 | |
| namespace std  // purposefully not using versioning namespace
 | |
| {
 | |
| 
 | |
| template<class charT> struct char_traits;
 | |
| template<class T>     class allocator;
 | |
| template <class _CharT,
 | |
|           class _Traits = char_traits<_CharT>,
 | |
|           class _Allocator = allocator<_CharT> >
 | |
|     class _LIBCPP_VISIBLE basic_string;
 | |
| typedef basic_string<char, char_traits<char>, allocator<char> > string;
 | |
| 
 | |
| class _LIBCPP_EXCEPTION_ABI exception
 | |
| {
 | |
| public:
 | |
|     _LIBCPP_INLINE_VISIBILITY exception() _NOEXCEPT {}
 | |
|     virtual ~exception() _NOEXCEPT;
 | |
|     virtual const char* what() const _NOEXCEPT;
 | |
| };
 | |
| 
 | |
| class _LIBCPP_EXCEPTION_ABI runtime_error
 | |
|     : public exception
 | |
| {
 | |
| private:
 | |
|     void* __imp_;
 | |
| public:
 | |
|     explicit runtime_error(const string&);
 | |
|     explicit runtime_error(const char*);
 | |
| 
 | |
|     runtime_error(const runtime_error&) _NOEXCEPT;
 | |
|     runtime_error& operator=(const runtime_error&) _NOEXCEPT;
 | |
| 
 | |
|     virtual ~runtime_error() _NOEXCEPT;
 | |
| 
 | |
|     virtual const char* what() const _NOEXCEPT;
 | |
| };
 | |
| 
 | |
| }
 | |
| 
 | |
| void dummysymbol() {
 | |
|   throw(std::runtime_error("string"));
 | |
| }
 |