0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
30 lines
2.2 KiB
C++
30 lines
2.2 KiB
C++
// RUN: %clang_cc1 -std=c++1z -verify %s
|
|
|
|
template<typename ...T> constexpr auto sum(T ...t) { return (... + t); }
|
|
template<typename ...T> constexpr auto product(T ...t) { return (t * ...); }
|
|
template<typename ...T> constexpr auto all(T ...t) { return (true && ... && t); }
|
|
template<typename ...T> constexpr auto all2(T ...t) { return (t && ... && true); }
|
|
|
|
int k1 = (1 + ... + 2); // expected-error {{does not contain any unexpanded parameter packs}}
|
|
int k2 = (1 + ...); // expected-error {{does not contain any unexpanded parameter packs}}
|
|
int k3 = (... + 2); // expected-error {{does not contain any unexpanded parameter packs}}
|
|
|
|
template<int ...N> void bad1() { (N + ... + N); } // expected-error {{unexpanded parameter packs in both operands}}
|
|
// FIXME: it would be reasonable to support this as an extension.
|
|
template<int ...N> void bad2() { (2 * N + ... + 1); } // expected-error {{expression not permitted as operand}}
|
|
template<int ...N> void bad3() { (2 + N * ... * 1); } // expected-error {{expression not permitted as operand}}
|
|
template<int ...N, int ...M> void bad4(int (&...x)[N]) { (N + M * ... * 1); } // expected-error {{expression not permitted as operand}}
|
|
template<int ...N, int ...M> void fixed4(int (&...x)[N]) { ((N + M) * ... * 1); }
|
|
|
|
// Parens are mandatory.
|
|
template<int ...N> void bad5() { N + ...; } // expected-error {{expected expression}} expected-error +{{}}
|
|
template<int ...N> void bad6() { ... + N; } // expected-error {{expected expression}}
|
|
template<int ...N> void bad7() { N + ... + N; } // expected-error {{expected expression}} expected-error +{{}}
|
|
|
|
// Must have a fold-operator in the relevant places.
|
|
template<int ...N> int bad8() { return (N + ... * 3); } // expected-error {{operators in fold expression must be the same}}
|
|
template<int ...N> int bad9() { return (3 + ... * N); } // expected-error {{operators in fold expression must be the same}}
|
|
template<int ...N> int bad10() { return (3 ? ... : N); } // expected-error +{{}} expected-note {{to match}}
|
|
template<int ...N> int bad11() { return (N + ... 0); } // expected-error {{expected a foldable binary operator}} expected-error {{expected expression}}
|
|
template<int ...N> int bad12() { return (... N); } // expected-error {{expected expression}}
|