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comparison gcc/testsuite/g++.dg/cpp0x/constexpr-cast.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
2 // constant expressions. 2 // constant expressions.
3 // { dg-do compile { target c++11 } } 3 // { dg-do compile { target c++11 } }
4 4
5 int i; 5 int i;
6 6
7 // The following is accepted due to bug 49171. 7 // The following was accepted due to bug 49171.
8 constexpr void *q = reinterpret_cast<void*>(&i); // { dg-error "" "bug c++/49171" { xfail *-*-* } } 8 constexpr void *q = reinterpret_cast<void*>(&i); // { dg-error "not a constant expression" }
9 9
10 constexpr void *r0 = reinterpret_cast<void*>(1); // { dg-error "not a constant expression|reinterpret_cast from integer to pointer" } 10 constexpr void *r0 = reinterpret_cast<void*>(1); // { dg-error "not a constant expression|reinterpret_cast from integer to pointer" }
11 constexpr void *r1 = reinterpret_cast<void*>(sizeof 'x'); // { dg-error ".reinterpret_cast<void\\*>\\(1\[ul\]\*\\). is not a constant expression" } 11 constexpr void *r1 = reinterpret_cast<void*>(sizeof 'x'); // { dg-error ".reinterpret_cast<void\\*>\\(1\[ul\]\*\\). is not a constant expression" }
12 12
13 template <class T> 13 template <class T>
19 #else 19 #else
20 return *reinterpret_cast<T*>(sizeof (T)); 20 return *reinterpret_cast<T*>(sizeof (T));
21 #endif 21 #endif
22 } 22 }
23 23
24 constexpr bool b = f<int>(); // { dg-error "not a constant expression" } 24 constexpr bool b = f<int>(); // { dg-error "not a constant expression|in .constexpr. expansion of " }