r185772 - Rename test to match C++1y paragraph number per N3690, and add additional test

[Richard Smith]

Author: rsmith
Date: Sun Jul  7 01:15:42 2013
New Revision: 185772

URL: http://llvm.org/viewvc/llvm-project?rev=185772&view=rev
Log:
Rename test to match C++1y paragraph number per N3690, and add additional test
case inspired by a stackoverflow question.

Added:
    cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7-1y.cpp
      - copied, changed from r185271, cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp
Removed:
    cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp
Modified:
    cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7.cpp

Removed: cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp?rev=185771&view=auto
==============================================================================
--- cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp (original)
+++ cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp (removed)
@@ -1,97 +0,0 @@
-// RUN: %clang_cc1 -verify -std=c++1y %s
-
-namespace std {
-  template<typename T> struct initializer_list {
-    const T *p;
-    unsigned long n;
-    initializer_list(const T *p, unsigned long n);
-  };
-}
-
-// FIXME: This may not be p6 in C++1y; N3638 isn't very clear whether paragraphs
-// were added. It might be p8?
-
-int i;
-int &&f();
-
-using Int = int;
-using IntLRef = int&;
-using IntRRef = int&&;
-using InitListInt = std::initializer_list<int>;
-using IntPtr = int*;
-
-auto x3a = i;
-decltype(auto) x3d = i;
-using Int = decltype(x3a);
-using Int = decltype(x3d);
-
-auto x4a = (i);
-decltype(auto) x4d = (i);
-using Int = decltype(x4a);
-using IntLRef = decltype(x4d);
-
-auto x5a = f();
-decltype(auto) x5d = f();
-using Int = decltype(x5a);
-using IntRRef = decltype(x5d);
-
-auto x6a = { 1, 2 };
-decltype(auto) x6d = { 1, 2 }; // expected-error {{cannot deduce 'decltype(auto)' from initializer list}}
-using InitListInt = decltype(x6a);
-
-auto *x7a = &i;
-decltype(auto) *x7d = &i; // expected-error {{cannot form pointer to 'decltype(auto)'}}
-using IntPtr = decltype(x7a);
-
-struct S {};
-
-decltype(auto) f1();
-decltype(auto) (*f2)(); // expected-error {{'decltype(auto)' can only be used as a return type in a function declaration}} expected-error {{requires an initializer}}
-decltype(auto) *f3(); // expected-error {{cannot form pointer to 'decltype(auto)'}}
-const decltype(auto) f4(); // expected-error {{'decltype(auto)' cannot be combined with other type specifiers}}
-typedef decltype(auto) f5(); // expected-error {{'decltype(auto)' can only be used as a return type in a function declaration}}
-decltype(auto) ((((((f6))))())); // ok
-decltype(auto) f7()(); // expected-error {{'decltype(auto)' can only be used as a return type in a function declaration}} expected-error {{function cannot return function type}}
-decltype(auto) (S::*f8)(); // expected-error {{'decltype(auto)' can only be used as a return type in a function declaration}} expected-error {{requires an initializer}}
-decltype(auto) &f9(); // expected-error {{cannot form reference to 'decltype(auto)'}}
-decltype(auto) (&f10())[10]; // expected-error {{cannot form array of 'decltype(auto)'}}
-
-decltype(auto) ((((((v1)))))) = 0; // ok
-decltype(auto) v2[1] = { 0 }; // expected-error {{cannot form array of 'decltype(auto)'}}
-decltype(auto) &v3 = { 0 }; // expected-error {{cannot form reference to 'decltype(auto)'}}
-decltype(auto) *v4 = { 0 }; // expected-error {{cannot form pointer to 'decltype(auto)'}}
-
-auto multi1a = 0, &multi1b = multi1a;
-auto multi1c = multi1a, multi1d = multi1b;
-decltype(auto) multi1e = multi1a, multi1f = multi1b; // expected-error {{'decltype(auto)' deduced as 'int' in declaration of 'multi1e' and deduced as 'int &' in declaration of 'multi1f'}}
-
-auto f1a() { return 0; }
-decltype(auto) f1d() { return 0; }
-using Int = decltype(f1a());
-using Int = decltype(f1d());
-
-auto f2a(int n) { return n; }
-decltype(auto) f2d(int n) { return n; }
-using Int = decltype(f2a(0));
-using Int = decltype(f2d(0));
-
-auto f3a(int n) { return (n); }
-decltype(auto) f3d(int n) { return (n); } // expected-warning {{reference to stack memory}}
-using Int = decltype(f3a(0));
-using IntLRef = decltype(f3d(0));
-
-auto f4a(int n) { return f(); }
-decltype(auto) f4d(int n) { return f(); }
-using Int = decltype(f4a(0));
-using IntRRef = decltype(f4d(0));
-
-auto f5aa(int n) { auto x = f(); return x; }
-auto f5ad(int n) { decltype(auto) x = f(); return x; }
-decltype(auto) f5da(int n) { auto x = f(); return x; }
-decltype(auto) f5dd(int n) { decltype(auto) x = f(); return x; } // expected-error {{rvalue reference to type 'int' cannot bind to lvalue}}
-using Int = decltype(f5aa(0));
-using Int = decltype(f5ad(0));
-using Int = decltype(f5da(0));
-
-auto init_list_1() { return { 1, 2, 3 }; } // expected-error {{cannot deduce return type from initializer list}}
-decltype(auto) init_list_2() { return { 1, 2, 3 }; } // expected-error {{cannot deduce return type from initializer list}}

Copied: cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7-1y.cpp (from r185271, cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp)
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7-1y.cpp?p2=cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7-1y.cpp&p1=cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp&r1=185271&r2=185772&rev=185772&view=diff
==============================================================================
--- cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p6-1y.cpp (original)
+++ cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7-1y.cpp Sun Jul  7 01:15:42 2013
@@ -8,9 +8,6 @@ namespace std {
   };
 }
 
-// FIXME: This may not be p6 in C++1y; N3638 isn't very clear whether paragraphs
-// were added. It might be p8?
-
 int i;
 int &&f();
 

Modified: cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7.cpp?rev=185772&r1=185771&r2=185772&view=diff
==============================================================================
--- cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7.cpp (original)
+++ cfe/trunk/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p7.cpp Sun Jul  7 01:15:42 2013
@@ -29,4 +29,17 @@ void g() {
        (*e)() -> void,
 #endif
        f = 0.0;
+
+#if __has_feature(cxx_decltype)
+  auto g = 0ull, h = decltype(g)(0);
+#endif
+}
+
+template<typename T> void h() {
+  auto a = T(), *b = &a;
+#if __has_feature(cxx_decltype)
+  auto c = T(), d = decltype(c)(0);
+#endif
 }
+template void h<int>();
+template void h<unsigned long>();