40 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s -triple=i686-pc-linux-gnu -std=c++11
 | |
| 
 | |
| using size_t = decltype(sizeof(0));
 | |
| struct noreturn_t {} constexpr noreturn = {};
 | |
| 
 | |
| void *operator new [[noreturn]] (size_t, noreturn_t);
 | |
| void operator delete [[noreturn]] (void*, noreturn_t);
 | |
| 
 | |
| void good_news()
 | |
| {
 | |
|   auto p = new int[2][[]];
 | |
|   auto q = new int[[]][2];
 | |
|   auto r = new int*[[]][2][[]];
 | |
|   auto s = new (int(*[[]])[2][[]]);
 | |
| }
 | |
| 
 | |
| void bad_news(int *ip)
 | |
| {
 | |
|   // attribute-specifiers can go almost anywhere in a new-type-id...
 | |
|   auto r = new int[[]{return 1;}()][2]; // expected-error {{expected ']'}}
 | |
|   auto s = new int*[[]{return 1;}()][2]; // expected-error {{expected ']'}}
 | |
|   // ... but not here:
 | |
|   auto t = new (int(*)[[]]); // expected-error {{an attribute list cannot appear here}}
 | |
|   auto u = new (int(*)[[]{return 1;}()][2]); // expected-error {{C++11 only allows consecutive left square brackets when introducing an attribute}} \
 | |
|                                                 expected-error {{variably modified type}} \
 | |
|                                                 expected-error {{a lambda expression may not appear inside of a constant expression}}
 | |
| }
 | |
| 
 | |
| void good_deletes()
 | |
| {
 | |
|   delete [&]{ return (int*)0; }();
 | |
| }
 | |
| 
 | |
| void bad_deletes()
 | |
| {
 | |
|   // 'delete []' is always array delete, per [expr.delete]p1.
 | |
|   // FIXME: Give a better diagnostic.
 | |
|   delete []{ return (int*)0; }(); // expected-error {{expected expression}}
 | |
| }
 |