Vendor import of clang trunk r290819:vendor/clang/clang-trunk-r290819

https://llvm.org/svn/llvm-project/cfe/trunk@290819

1 files changed, 7 insertions, 0 deletions

diff --git a/test/Parser/cxx1z-fold-expressions.cpp b/test/Parser/cxx1z-fold-expressions.cpp
index a908311ea316..030638583239 100644
--- a/test/Parser/cxx1z-fold-expressions.cpp
+++ b/test/Parser/cxx1z-fold-expressions.cpp
@@ -9,12 +9,19 @@ int k1 = (1 + ... + 2); // expected-error {{does not contain any unexpanded para
 int k2 = (1 + ...); // expected-error {{does not contain any unexpanded parameter packs}}
 int k3 = (... + 2); // expected-error {{does not contain any unexpanded parameter packs}}
 
+struct A { A(int); friend A operator+(A, A); A operator-(A); A operator()(A); A operator[](A); };
+A operator*(A, A);
+
 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); }
+template<typename ...T> void bad4a(T ...t) { (t * 2 + ... + 1); } // expected-error {{expression not permitted as operand}}
+template<int ...N> void bad4b() { (A(0) + A(N) + ...); } // expected-error {{expression not permitted as operand}}
+template<int ...N> void bad4c() { (A(0) - A(N) + ...); } // expected-error {{expression not permitted as operand}}
+template<int ...N> void bad4d() { (A(0)(A(0)) + ... + A(0)[A(N)]); }
 
 // Parens are mandatory.
 template<int ...N> void bad5() { N + ...; } // expected-error {{expected expression}} expected-error +{{}}