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-rw-r--r--test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p2.cpp56
-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.aggr/p1-0x.cpp48
-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.list/basic.cpp14
-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x-fixits.cpp2
-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x.cpp40
-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-cxx11-nowarn.cpp210
-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-0x.cpp2
-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp4
-rw-r--r--test/CXX/dcl.decl/dcl.init/dcl.init.string/p1.cpp12
-rw-r--r--test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6-0x.cpp41
-rw-r--r--test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6.cpp14
-rw-r--r--test/CXX/dcl.decl/dcl.meaning/dcl.fct/p9-0x.cpp2
-rw-r--r--test/CXX/dcl.decl/dcl.meaning/dcl.ref/p5.cpp2
-rw-r--r--test/CXX/dcl.decl/dcl.meaning/p1-0x.cpp24
-rw-r--r--test/CXX/dcl.decl/dcl.meaning/p1.cpp37
-rw-r--r--test/CXX/dcl.decl/dcl.name/p1.cpp6
16 files changed, 475 insertions, 39 deletions
diff --git a/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p2.cpp b/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p2.cpp
new file mode 100644
index 0000000000000..06dd1bb05560b
--- /dev/null
+++ b/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p2.cpp
@@ -0,0 +1,56 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
+
+// An explicitly-defaulted function may be declared constexpr only if it would
+// have been implicitly declared as constexpr.
+struct S1 {
+ constexpr S1() = default; // expected-error {{defaulted definition of default constructor is not constexpr}}
+ constexpr S1(const S1&) = default;
+ constexpr S1(S1&&) = default;
+ constexpr S1 &operator=(const S1&) = default; // expected-error {{explicitly-defaulted copy assignment operator may not have}}
+ constexpr S1 &operator=(S1&&) = default; // expected-error {{explicitly-defaulted move assignment operator may not have}}
+ constexpr ~S1() = default; // expected-error {{destructor cannot be marked constexpr}}
+ int n;
+};
+struct NoCopyMove {
+ constexpr NoCopyMove() {}
+ NoCopyMove(const NoCopyMove&);
+ NoCopyMove(NoCopyMove&&);
+};
+struct S2 {
+ constexpr S2() = default;
+ constexpr S2(const S2&) = default; // expected-error {{defaulted definition of copy constructor is not constexpr}}
+ constexpr S2(S2&&) = default; // expected-error {{defaulted definition of move constructor is not constexpr}}
+ NoCopyMove ncm;
+};
+
+// If a function is explicitly defaulted on its first declaration
+// -- it is implicitly considered to be constexpr if the implicit declaration
+// would be
+struct S3 {
+ S3() = default; // expected-note {{here}}
+ S3(const S3&) = default;
+ S3(S3&&) = default;
+ constexpr S3(int n) : n(n) {}
+ int n;
+};
+constexpr S3 s3a = S3(0);
+constexpr S3 s3b = s3a;
+constexpr S3 s3c = S3();
+constexpr S3 s3d; // expected-error {{constant expression}} expected-note {{non-constexpr constructor}}
+
+struct S4 {
+ S4() = default;
+ S4(const S4&) = default; // expected-note {{here}}
+ S4(S4&&) = default; // expected-note {{here}}
+ NoCopyMove ncm;
+};
+constexpr S4 s4a; // ok
+constexpr S4 s4b = S4(); // expected-error {{constant expression}} expected-note {{non-constexpr constructor}}
+constexpr S4 s4c = s4a; // expected-error {{constant expression}} expected-note {{non-constexpr constructor}}
+
+struct S5 {
+ constexpr S5();
+ int n = 1, m = n + 3;
+};
+constexpr S5::S5() = default;
+static_assert(S5().m == 4, "");
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.aggr/p1-0x.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.aggr/p1-0x.cpp
index b8c1e18a2e135..7764980e34f7e 100644
--- a/test/CXX/dcl.decl/dcl.init/dcl.init.aggr/p1-0x.cpp
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.aggr/p1-0x.cpp
@@ -8,55 +8,71 @@ private:
protected:
struct Inner { int m; };
public:
- bool &br;
+ bool &br; // expected-note {{default constructor of 'Aggr' is implicitly deleted because field 'br' of reference type 'bool &' would not be initialized}}
};
bool b;
Aggr ag = { b };
// with no user-provided constructors, ...
-struct NonAggr1a {
- NonAggr1a(int, int);
+struct NonAggr1a { // expected-note 2 {{candidate constructor}}
+ NonAggr1a(int, int); // expected-note {{candidate constructor}}
int k;
};
// In C++0x, 'user-provided' is only defined for special member functions, so
// this type is considered to be an aggregate. This is considered to be
// a language defect.
-NonAggr1a na1a = { 42 }; // expected-error {{non-aggregate type 'NonAggr1a'}}
+NonAggr1a na1a = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr1a'}}
struct NonAggr1b {
- NonAggr1b(const NonAggr1b &);
+ NonAggr1b(const NonAggr1b &); // expected-note {{candidate constructor}}
int k;
};
-NonAggr1b na1b = { 42 }; // expected-error {{non-aggregate type 'NonAggr1b'}}
+NonAggr1b na1b = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr1b'}}
// no brace-or-equal-initializers for non-static data members, ...
-struct NonAggr2 {
+struct NonAggr2 { // expected-note 3 {{candidate constructor}}
int m = { 123 };
};
-NonAggr2 na2 = { 42 }; // expected-error {{non-aggregate type 'NonAggr2'}}
+NonAggr2 na2 = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr2'}}
// no private...
-struct NonAggr3 {
+struct NonAggr3 { // expected-note 3 {{candidate constructor}}
private:
int n;
};
-NonAggr3 na3 = { 42 }; // expected-error {{non-aggregate type 'NonAggr3'}}
+NonAggr3 na3 = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr3'}}
// or protected non-static data members, ...
-struct NonAggr4 {
+struct NonAggr4 { // expected-note 3 {{candidate constructor}}
protected:
int n;
};
-NonAggr4 na4 = { 42 }; // expected-error {{non-aggregate type 'NonAggr4'}}
+NonAggr4 na4 = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr4'}}
// no base classes, ...
-struct NonAggr5 : Aggr {
+struct NonAggr5 : Aggr { // expected-note 3 {{candidate constructor}}
};
-NonAggr5 na5 = { b }; // expected-error {{non-aggregate type 'NonAggr5'}}
+NonAggr5 na5 = { b }; // expected-error {{no matching constructor for initialization of 'NonAggr5'}}
+template<typename...BaseList>
+struct MaybeAggr5a : BaseList... {}; // expected-note {{default constructor of 'MaybeAggr5a<Aggr>' is implicitly deleted because base class 'Aggr' has a deleted default constructor}}
+MaybeAggr5a<> ma5a0 = {}; // ok
+MaybeAggr5a<Aggr> ma5a1 = {}; // expected-error {{call to implicitly-deleted default constructor of 'MaybeAggr5a<Aggr>'}}
// and no virtual functions.
-struct NonAggr6 {
+struct NonAggr6 { // expected-note 3 {{candidate constructor}}
virtual void f();
int n;
};
-NonAggr6 na6 = { 42 }; // expected-error {{non-aggregate type 'NonAggr6'}}
+NonAggr6 na6 = { 42 }; // expected-error {{no matching constructor for initialization of 'NonAggr6'}}
+
+struct DefaultedAggr {
+ int n;
+
+ DefaultedAggr() = default;
+ DefaultedAggr(const DefaultedAggr &) = default;
+ DefaultedAggr(DefaultedAggr &&) = default;
+ DefaultedAggr &operator=(const DefaultedAggr &) = default;
+ DefaultedAggr &operator=(DefaultedAggr &) = default;
+ ~DefaultedAggr() = default;
+};
+DefaultedAggr da = { 42 } ;
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.list/basic.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.list/basic.cpp
index 5ebc22fd82074..b30e0ec7856ba 100644
--- a/test/CXX/dcl.decl/dcl.init/dcl.init.list/basic.cpp
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.list/basic.cpp
@@ -1,5 +1,17 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
void f0() {
int &ir = { 17 }; // expected-error{{reference to type 'int' cannot bind to an initializer list}}
}
+
+namespace PR12453 {
+ template<typename T>
+ void f(int i) {
+ T x{i}; // expected-error{{non-constant-expression cannot be narrowed from type 'int' to 'float' in initializer list}} \
+ // expected-note{{override this message by inserting an explicit cast}}
+ T y{i}; // expected-error{{non-constant-expression cannot be narrowed from type 'int' to 'float' in initializer list}} \
+ // expected-note{{override this message by inserting an explicit cast}}
+ }
+
+ template void f<float>(int); // expected-note{{in instantiation of function template specialization 'PR12453::f<float>' requested here}}
+}
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x-fixits.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x-fixits.cpp
index dc49deabdea4d..0bea4ede19cad 100644
--- a/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x-fixits.cpp
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x-fixits.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -Wc++0x-compat -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -fsyntax-only -Wc++11-compat -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
// Verify that the appropriate fixits are emitted for narrowing conversions in
// initializer lists.
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x.cpp
index 2294a4eb08940..db20ea6426e00 100644
--- a/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x.cpp
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x.cpp
@@ -31,12 +31,20 @@ struct Agg {
T t;
};
+template<typename T>
+struct Convert {
+ constexpr Convert(T v) : v(v) {}
+ constexpr operator T() const { return v; }
+ T v;
+};
+template<typename T> Convert<T> ConvertVar();
+
// C++0x [dcl.init.list]p7: A narrowing conversion is an implicit conversion
//
// * from a floating-point type to an integer type, or
void float_to_int() {
- Agg<char> a1 = {1.0F}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
+ Agg<char> a1 = {1.0F}; // expected-error {{type 'float' cannot be narrowed to 'char'}} expected-note {{override}}
Agg<char> a2 = {1.0}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
Agg<char> a3 = {1.0L}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
@@ -46,6 +54,9 @@ void float_to_int() {
Agg<char> a4 = {f}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
Agg<char> a5 = {d}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
Agg<char> a6 = {ld}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
+
+ Agg<char> ce1 = { Convert<float>(1.0) }; // expected-error {{type 'float' cannot be narrowed to 'char'}} expected-note {{override}}
+ Agg<char> ce2 = { ConvertVar<double>() }; // expected-error {{type 'double' cannot be narrowed to 'char'}} expected-note {{override}}
}
// * from long double to double or float, or from double to float, except where
@@ -61,7 +72,7 @@ void shrink_float() {
// Variables.
Agg<float> f1 = {f}; // OK (no-op)
- Agg<float> f2 = {d}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
+ Agg<float> f2 = {d}; // expected-error {{non-constant-expression cannot be narrowed from type 'double' to 'float'}} expected-note {{override}}
Agg<float> f3 = {ld}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
// Exact constants.
Agg<float> f4 = {1.0}; // OK (double constant represented exactly)
@@ -70,7 +81,7 @@ void shrink_float() {
Agg<float> f6 = {0.1}; // OK (double constant in range but rounded)
Agg<float> f7 = {0.1L}; // OK (long double constant in range but rounded)
// Out of range constants.
- Agg<float> f8 = {1E50}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
+ Agg<float> f8 = {1E50}; // expected-error {{constant expression evaluates to 1.000000e+50 which cannot be narrowed to type 'float'}} expected-note {{override}}
Agg<float> f9 = {1E50L}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
// More complex constant expression.
constexpr long double e40 = 1E40L, e30 = 1E30L, e39 = 1E39L;
@@ -89,6 +100,9 @@ void shrink_float() {
// More complex constant expression.
constexpr long double e315 = 1E315L, e305 = 1E305L, e314 = 1E314L;
Agg<double> d7 = {e315 - 5 * e314 + e305 - 5 * e314}; // OK
+
+ Agg<float> ce1 = { Convert<double>(1e300) }; // expected-error {{constant expression evaluates to 1.000000e+300 which cannot be narrowed to type 'float'}} expected-note {{override}}
+ Agg<double> ce2 = { ConvertVar<long double>() }; // expected-error {{non-constant-expression cannot be narrowed from type 'long double' to 'double'}} expected-note {{override}}
}
// * from an integer type or unscoped enumeration type to a floating-point type,
@@ -107,6 +121,9 @@ void int_to_float() {
// Constants.
Agg<float> f4 = {12345678}; // OK (exactly fits in a float)
Agg<float> f5 = {123456789}; // expected-error {{ cannot be narrowed }} expected-note {{override}}
+
+ Agg<float> ce1 = { Convert<int>(123456789) }; // expected-error {{constant expression evaluates to 123456789 which cannot be narrowed to type 'float'}} expected-note {{override}}
+ Agg<double> ce2 = { ConvertVar<long long>() }; // expected-error {{non-constant-expression cannot be narrowed from type 'long long' to 'double'}} expected-note {{override}}
}
// * from an integer type or unscoped enumeration type to an integer type that
@@ -147,6 +164,9 @@ void shrink_int() {
// Conversions from pointers to booleans aren't narrowing conversions.
Agg<bool> b = {&b1}; // OK
+
+ Agg<short> ce1 = { Convert<int>(100000) }; // expected-error {{constant expression evaluates to 100000 which cannot be narrowed to type 'short'}} expected-note {{override}} expected-warning {{changes value from 100000 to -31072}}
+ Agg<char> ce2 = { ConvertVar<short>() }; // expected-error {{non-constant-expression cannot be narrowed from type 'short' to 'char'}} expected-note {{override}}
}
// Be sure that type- and value-dependent expressions in templates get the error
@@ -173,3 +193,17 @@ void test_qualifiers(int i) {
// Template arguments make it harder to avoid printing qualifiers:
Agg<const unsigned char> c2 = {j}; // expected-error {{from type 'int' to 'const unsigned char' in}} expected-note {{override}}
}
+
+// Test SFINAE checks.
+template<unsigned> struct Value { };
+
+template<typename T>
+int &check_narrowed(Value<sizeof((T){1.1})>);
+
+template<typename T>
+float &check_narrowed(...);
+
+void test_narrowed(Value<sizeof(int)> vi, Value<sizeof(double)> vd) {
+ int &ir = check_narrowed<double>(vd);
+ float &fr = check_narrowed<int>(vi);
+}
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-cxx11-nowarn.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-cxx11-nowarn.cpp
new file mode 100644
index 0000000000000..4bcf113d71429
--- /dev/null
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-cxx11-nowarn.cpp
@@ -0,0 +1,210 @@
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wno-error=c++11-narrowing -triple x86_64-apple-macosx10.6.7 -verify %s
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wno-error=narrowing -triple x86_64-apple-macosx10.6.7 -verify %s
+
+// Verify that narrowing conversions in initializer lists cause errors in C++0x
+// mode.
+
+void std_example() {
+ int x = 999; // x is not a constant expression
+ const int y = 999;
+ const int z = 99;
+ char c1 = x; // OK, though it might narrow (in this case, it does narrow)
+ char c2{x}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ char c3{y}; // expected-warning {{ cannot be narrowed }} expected-note {{override}} expected-warning {{changes value}}
+ char c4{z}; // OK: no narrowing needed
+ unsigned char uc1 = {5}; // OK: no narrowing needed
+ unsigned char uc2 = {-1}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ unsigned int ui1 = {-1}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ signed int si1 =
+ { (unsigned int)-1 }; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ int ii = {2.0}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ float f1 { x }; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ float f2 { 7 }; // OK: 7 can be exactly represented as a float
+ int f(int);
+ int a[] =
+ { 2, f(2), f(2.0) }; // OK: the double-to-int conversion is not at the top level
+}
+
+// Test each rule individually.
+
+template<typename T>
+struct Agg {
+ T t;
+};
+
+template<typename T>
+struct Convert {
+ constexpr Convert(T v) : v(v) {}
+ constexpr operator T() const { return v; }
+ T v;
+};
+template<typename T> Convert<T> ConvertVar();
+
+// C++0x [dcl.init.list]p7: A narrowing conversion is an implicit conversion
+//
+// * from a floating-point type to an integer type, or
+
+void float_to_int() {
+ Agg<char> a1 = {1.0F}; // expected-warning {{type 'float' cannot be narrowed to 'char'}} expected-note {{override}}
+ Agg<char> a2 = {1.0}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<char> a3 = {1.0L}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+
+ float f = 1.0;
+ double d = 1.0;
+ long double ld = 1.0;
+ Agg<char> a4 = {f}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<char> a5 = {d}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<char> a6 = {ld}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+
+ Agg<char> ce1 = { Convert<float>(1.0) }; // expected-warning {{type 'float' cannot be narrowed to 'char'}} expected-note {{override}}
+ Agg<char> ce2 = { ConvertVar<double>() }; // expected-warning {{type 'double' cannot be narrowed to 'char'}} expected-note {{override}}
+}
+
+// * from long double to double or float, or from double to float, except where
+// the source is a constant expression and the actual value after conversion
+// is within the range of values that can be represented (even if it cannot be
+// represented exactly), or
+
+void shrink_float() {
+ // These aren't constant expressions.
+ float f = 1.0;
+ double d = 1.0;
+ long double ld = 1.0;
+
+ // Variables.
+ Agg<float> f1 = {f}; // OK (no-op)
+ Agg<float> f2 = {d}; // expected-warning {{non-constant-expression cannot be narrowed from type 'double' to 'float'}} expected-note {{override}}
+ Agg<float> f3 = {ld}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ // Exact constants.
+ Agg<float> f4 = {1.0}; // OK (double constant represented exactly)
+ Agg<float> f5 = {1.0L}; // OK (long double constant represented exactly)
+ // Inexact but in-range constants.
+ Agg<float> f6 = {0.1}; // OK (double constant in range but rounded)
+ Agg<float> f7 = {0.1L}; // OK (long double constant in range but rounded)
+ // Out of range constants.
+ Agg<float> f8 = {1E50}; // expected-warning {{constant expression evaluates to 1.000000e+50 which cannot be narrowed to type 'float'}} expected-note {{override}}
+ Agg<float> f9 = {1E50L}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ // More complex constant expression.
+ constexpr long double e40 = 1E40L, e30 = 1E30L, e39 = 1E39L;
+ Agg<float> f10 = {e40 - 5 * e39 + e30 - 5 * e39}; // OK
+
+ // Variables.
+ Agg<double> d1 = {f}; // OK (widening)
+ Agg<double> d2 = {d}; // OK (no-op)
+ Agg<double> d3 = {ld}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ // Exact constant.
+ Agg<double> d4 = {1.0L}; // OK (long double constant represented exactly)
+ // Inexact but in-range constant.
+ Agg<double> d5 = {0.1L}; // OK (long double constant in range but rounded)
+ // Out of range constant.
+ Agg<double> d6 = {1E315L}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ // More complex constant expression.
+ constexpr long double e315 = 1E315L, e305 = 1E305L, e314 = 1E314L;
+ Agg<double> d7 = {e315 - 5 * e314 + e305 - 5 * e314}; // OK
+
+ Agg<float> ce1 = { Convert<double>(1e300) }; // expected-warning {{constant expression evaluates to 1.000000e+300 which cannot be narrowed to type 'float'}} expected-note {{override}}
+ Agg<double> ce2 = { ConvertVar<long double>() }; // expected-warning {{non-constant-expression cannot be narrowed from type 'long double' to 'double'}} expected-note {{override}}
+}
+
+// * from an integer type or unscoped enumeration type to a floating-point type,
+// except where the source is a constant expression and the actual value after
+// conversion will fit into the target type and will produce the original
+// value when converted back to the original type, or
+void int_to_float() {
+ // Not a constant expression.
+ char c = 1;
+
+ // Variables. Yes, even though all char's will fit into any floating type.
+ Agg<float> f1 = {c}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<double> f2 = {c}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<long double> f3 = {c}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+
+ // Constants.
+ Agg<float> f4 = {12345678}; // OK (exactly fits in a float)
+ Agg<float> f5 = {123456789}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+
+ Agg<float> ce1 = { Convert<int>(123456789) }; // expected-warning {{constant expression evaluates to 123456789 which cannot be narrowed to type 'float'}} expected-note {{override}}
+ Agg<double> ce2 = { ConvertVar<long long>() }; // expected-warning {{non-constant-expression cannot be narrowed from type 'long long' to 'double'}} expected-note {{override}}
+}
+
+// * from an integer type or unscoped enumeration type to an integer type that
+// cannot represent all the values of the original type, except where the
+// source is a constant expression and the actual value after conversion will
+// fit into the target type and will produce the original value when converted
+// back to the original type.
+void shrink_int() {
+ // Not a constant expression.
+ short s = 1;
+ unsigned short us = 1;
+ Agg<char> c1 = {s}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<unsigned short> s1 = {s}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<short> s2 = {us}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+
+ // "that cannot represent all the values of the original type" means that the
+ // validity of the program depends on the relative sizes of integral types.
+ // This test compiles with -m64, so sizeof(int)<sizeof(long)==sizeof(long
+ // long).
+ long l1 = 1;
+ Agg<int> i1 = {l1}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ long long ll = 1;
+ Agg<long> l2 = {ll}; // OK
+
+ // Constants.
+ Agg<char> c2 = {127}; // OK
+ Agg<char> c3 = {300}; // expected-warning {{ cannot be narrowed }} expected-note {{override}} expected-warning {{changes value}}
+
+ Agg<int> i2 = {0x7FFFFFFFU}; // OK
+ Agg<int> i3 = {0x80000000U}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<unsigned int> i4 = {-0x80000000L}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+
+ // Bool is also an integer type, but conversions to it are a different AST
+ // node.
+ Agg<bool> b1 = {0}; // OK
+ Agg<bool> b2 = {1}; // OK
+ Agg<bool> b3 = {-1}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+
+ // Conversions from pointers to booleans aren't narrowing conversions.
+ Agg<bool> b = {&b1}; // OK
+
+ Agg<short> ce1 = { Convert<int>(100000) }; // expected-warning {{constant expression evaluates to 100000 which cannot be narrowed to type 'short'}} expected-note {{override}} expected-warning {{changes value from 100000 to -31072}}
+ Agg<char> ce2 = { ConvertVar<short>() }; // expected-warning {{non-constant-expression cannot be narrowed from type 'short' to 'char'}} expected-note {{override}}
+}
+
+// Be sure that type- and value-dependent expressions in templates get the warning
+// too.
+
+template<int I, typename T>
+void maybe_shrink_int(T t) {
+ Agg<short> s1 = {t}; // expected-warning {{ cannot be narrowed }} expected-note {{override}}
+ Agg<short> s2 = {I}; // expected-warning {{ cannot be narrowed }} expected-note {{override}} expected-warning {{changes value}}
+ Agg<T> t2 = {700}; // expected-warning {{ cannot be narrowed }} expected-note {{override}} expected-warning {{changes value}}
+}
+
+void test_template() {
+ maybe_shrink_int<15>((int)3); // expected-note {{in instantiation}}
+ maybe_shrink_int<70000>((char)3); // expected-note {{in instantiation}}
+}
+
+
+// We don't want qualifiers on the types in the diagnostic.
+
+void test_qualifiers(int i) {
+ const int j = i;
+ struct {const unsigned char c;} c1 = {j}; // expected-warning {{from type 'int' to 'unsigned char' in}} expected-note {{override}}
+ // Template arguments make it harder to avoid printing qualifiers:
+ Agg<const unsigned char> c2 = {j}; // expected-warning {{from type 'int' to 'const unsigned char' in}} expected-note {{override}}
+}
+
+// Make sure we still get the right SFINAE behavior.
+template<unsigned> struct Value { };
+
+template<typename T>
+int &check_narrowed(Value<sizeof((T){1.1})>);
+
+template<typename T>
+float &check_narrowed(...);
+
+void test_narrowed(Value<sizeof(int)> vi, Value<sizeof(double)> vd) {
+ int &ir = check_narrowed<double>(vd);
+ float &fr = check_narrowed<int>(vi);
+}
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-0x.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-0x.cpp
index 95cc56cbab536..adbdff6efe3c6 100644
--- a/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-0x.cpp
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-0x.cpp
@@ -1,6 +1,6 @@
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -pedantic %s
-// Test the C++0x-specific reference initialization rules, e.g., the
+// Test the c++0x-specific reference initialization rules, e.g., the
// rules for rvalue references.
template<typename T> T prvalue();
template<typename T> T&& xvalue();
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp
index 8c654110fa24d..d58a12953e0d0 100644
--- a/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.ref/p5-cxx03-extra-copy.cpp
@@ -30,7 +30,7 @@ template<typename T>
T get_value_badly() {
double *dp = 0;
// The extension doesn't extend far enough to turn this error into a warning.
- T *tp = dp; // expected-error{{ cannot initialize a variable of type 'int *' with an lvalue of type 'double *'}}
+ T *tp = dp; // expected-error{{cannot initialize a variable of type 'int *' with an lvalue of type 'double *'}}
return T();
}
@@ -54,7 +54,7 @@ void g5(const X5&);
void test() {
g1(X1());
- g2(X2()); // expected-warning{{C++98 requires an accessible copy constructor for class 'X2' when binding a reference to a temporary; was private [-Wbind-to-temporary-copy]}}
+ g2(X2()); // expected-warning{{C++98 requires an accessible copy constructor for class 'X2' when binding a reference to a temporary; was private}}
g3(X3()); // expected-warning{{no viable constructor copying parameter of type 'X3'}}
g4(X4<int>());
g5(X5()); // Generates a warning in the default argument.
diff --git a/test/CXX/dcl.decl/dcl.init/dcl.init.string/p1.cpp b/test/CXX/dcl.decl/dcl.init/dcl.init.string/p1.cpp
index 07a5cef304782..3631af1b7fd2f 100644
--- a/test/CXX/dcl.decl/dcl.init/dcl.init.string/p1.cpp
+++ b/test/CXX/dcl.decl/dcl.init/dcl.init.string/p1.cpp
@@ -5,3 +5,15 @@ extern char x1[6];
char x2[] = "hello";
extern char x2[6];
+
+char x3[] = { "hello" };
+extern char x3[6];
+
+wchar_t x4[](L"hello");
+extern wchar_t x4[6];
+
+wchar_t x5[] = L"hello";
+extern wchar_t x5[6];
+
+wchar_t x6[] = { L"hello" };
+extern wchar_t x6[6];
diff --git a/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6-0x.cpp b/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6-0x.cpp
index ce0a082462a21..2ec1454100b69 100644
--- a/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6-0x.cpp
+++ b/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6-0x.cpp
@@ -1,20 +1,45 @@
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
-void f0() &; // expected-error{{ref-qualifier '&' is only allowed on non-static member functions, member function pointers, and typedefs of function types}}
-void f1() &&; // expected-error{{ref-qualifier '&&' is only allowed on non-static member functions, member function pointers, and typedefs of function types}}
+void f0() &; // expected-error {{non-member function cannot have '&' qualifier}}
+void f1() &&; // expected-error {{non-member function cannot have '&&' qualifier}}
+void f2() const volatile &&; // expected-error {{non-member function cannot have 'const volatile &&' qualifier}}
struct X {
- void f0() &;
+ void f0() &;
void f1() &&;
- static void f2() &; // expected-error{{ref-qualifier '&' is only allowed on non-static member functions, member function pointers, and typedefs of function types}}
- static void f3() &&; // expected-error{{ref-qualifier '&&' is only allowed on non-static member functions, member function pointers, and typedefs of function types}}
+ static void f2() &; // expected-error{{static member function cannot have '&' qualifier}}
+ static void f3() &&; // expected-error{{static member function cannot have '&&' qualifier}}
};
typedef void func_type_lvalue() &;
typedef void func_type_rvalue() &&;
-func_type_lvalue f2; // expected-error{{nonmember function cannot have a ref-qualifier '&'}}
-func_type_rvalue f3; // expected-error{{nonmember function cannot have a ref-qualifier '&&'}}
+typedef func_type_lvalue *func_type_lvalue_ptr; // expected-error{{pointer to function type 'func_type_lvalue' (aka 'void () &') cannot have '&' qualifier}}
+typedef func_type_rvalue *func_type_rvalue_ptr; // expected-error{{pointer to function type 'func_type_rvalue' (aka 'void () &&') cannot have '&&' qualifier}}
+
+typedef func_type_lvalue &func_type_lvalue_ref; // expected-error{{reference to function type 'func_type_lvalue' (aka 'void () &') cannot have '&' qualifier}}
+typedef func_type_rvalue &func_type_rvalue_ref; // expected-error{{reference to function type 'func_type_rvalue' (aka 'void () &&') cannot have '&&' qualifier}}
+
+template<typename T = func_type_lvalue> struct wrap {
+ typedef T val;
+ typedef T *ptr;
+ typedef T &ref;
+};
+
+using func_type_lvalue = wrap<>::val;
+using func_type_lvalue = wrap<func_type_lvalue>::val;
+using func_type_rvalue = wrap<func_type_rvalue>::val;
+
+using func_type_lvalue_ptr = wrap<>::ptr;
+using func_type_lvalue_ptr = wrap<func_type_lvalue>::ptr;
+using func_type_rvalue_ptr = wrap<func_type_rvalue>::ptr;
+
+using func_type_lvalue_ref = wrap<>::ref;
+using func_type_lvalue_ref = wrap<func_type_lvalue>::ref;
+using func_type_rvalue_ref = wrap<func_type_rvalue>::ref;
+
+func_type_lvalue f2; // expected-error{{non-member function of type 'func_type_lvalue' (aka 'void () &') cannot have '&' qualifier}}
+func_type_rvalue f3; // expected-error{{non-member function of type 'func_type_rvalue' (aka 'void () &&') cannot have '&&' qualifier}}
struct Y {
func_type_lvalue f0;
@@ -25,4 +50,4 @@ void (X::*mpf1)() & = &X::f0;
void (X::*mpf2)() && = &X::f1;
-void (f() &&); // expected-error{{ref-qualifier '&&' is only allowed on non-static member functions, member function pointers, and typedefs of function types}}
+void (f() &&); // expected-error{{non-member function cannot have '&&' qualifier}}
diff --git a/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6.cpp b/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6.cpp
index 4873c095a0ebf..e2d94fbf3811a 100644
--- a/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6.cpp
+++ b/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p6.cpp
@@ -1,14 +1,20 @@
// RUN: %clang_cc1 -fsyntax-only -verify %s
-void f() const; // expected-error{{type qualifier is not allowed on this function}}
+typedef void F() const;
+
+void f() const; // expected-error {{non-member function cannot have 'const' qualifier}}
+F g; // expected-error {{non-member function of type 'F' (aka 'void () const') cannot have 'const' qualifier}}
struct X {
void f() const;
- friend void g() const; // expected-error{{type qualifier is not allowed on this function}}
- static void h() const; // expected-error{{type qualifier is not allowed on this function}}
+ friend void g() const; // expected-error {{non-member function cannot have 'const' qualifier}}
+ static void h() const; // expected-error {{static member function cannot have 'const' qualifier}}
+ F i; // ok
+ friend F j; // expected-error {{non-member function of type 'F' (aka 'void () const') cannot have 'const' qualifier}}
+ static F k; // expected-error {{static member function of type 'F' (aka 'void () const') cannot have 'const' qualifier}}
};
struct Y {
friend void X::f() const;
- friend void ::f() const; // expected-error{{type qualifier is not allowed on this function}}
+ friend void ::f() const; // expected-error {{non-member function cannot have 'const' qualifier}}
};
diff --git a/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p9-0x.cpp b/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p9-0x.cpp
index 4d71a8e4b4c63..574a3e7a79341 100644
--- a/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p9-0x.cpp
+++ b/test/CXX/dcl.decl/dcl.meaning/dcl.fct/p9-0x.cpp
@@ -1,3 +1,3 @@
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
-auto j() -> enum { e3 }; // expected-error{{can not be defined in a type specifier}}
+auto j() -> enum { e3 }; // expected-error{{unnamed enumeration must be a definition}} expected-error {{requires a specifier or qualifier}} expected-error {{without trailing return type}}
diff --git a/test/CXX/dcl.decl/dcl.meaning/dcl.ref/p5.cpp b/test/CXX/dcl.decl/dcl.meaning/dcl.ref/p5.cpp
index aaf7451424019..c02105ca76cfa 100644
--- a/test/CXX/dcl.decl/dcl.meaning/dcl.ref/p5.cpp
+++ b/test/CXX/dcl.decl/dcl.meaning/dcl.ref/p5.cpp
@@ -12,7 +12,7 @@ typedef intref &intrefref;
template <class T> class RefMem { // expected-warning{{class 'RefMem<int &>' does not declare any constructor to initialize its non-modifiable members}}
T
&
- member; // expected-note{{ reference member 'member' will never be initialized}}
+ member; // expected-note{{reference member 'member' will never be initialized}}
};
struct RefRef {
diff --git a/test/CXX/dcl.decl/dcl.meaning/p1-0x.cpp b/test/CXX/dcl.decl/dcl.meaning/p1-0x.cpp
new file mode 100644
index 0000000000000..99334b845aba2
--- /dev/null
+++ b/test/CXX/dcl.decl/dcl.meaning/p1-0x.cpp
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+
+// The nested-name-specifier of a qualified declarator-id shall not begin with a decltype-specifier.
+class foo {
+ static int i;
+ void func();
+};
+
+int decltype(foo())::i; // expected-error{{'decltype' cannot be used to name a declaration}}
+void decltype(foo())::func() { // expected-error{{'decltype' cannot be used to name a declaration}}
+}
+
+
+template<typename T>
+class tfoo {
+ static int i;
+ void func();
+};
+
+template<typename T>
+int decltype(tfoo<T>())::i; // expected-error{{nested name specifier 'decltype(tfoo<T>())::' for declaration does not refer into a class, class template or class template partial specialization}}
+template<typename T>
+void decltype(tfoo<T>())::func() { // expected-error{{nested name specifier 'decltype(tfoo<T>())::' for declaration does not refer into a class, class template or class template partial specialization}}
+}
diff --git a/test/CXX/dcl.decl/dcl.meaning/p1.cpp b/test/CXX/dcl.decl/dcl.meaning/p1.cpp
new file mode 100644
index 0000000000000..3672ea0ea086a
--- /dev/null
+++ b/test/CXX/dcl.decl/dcl.meaning/p1.cpp
@@ -0,0 +1,37 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+namespace PR8019 {
+ struct x;
+ template<typename T> struct x2;
+ struct y {
+ struct PR8019::x { int x; }; // expected-error{{non-friend class member 'x' cannot have a qualified name}}
+
+ struct inner;
+ struct y::inner { }; // expected-warning{{extra qualification on member 'inner'}}
+
+ template<typename T>
+ struct PR8019::x2 { }; // expected-error{{non-friend class member 'x2' cannot have a qualified name}}
+
+ template<typename T>
+ struct inner_template;
+
+ template<typename T>
+ struct y::inner_template { }; // expected-warning{{extra qualification on member 'inner_template'}}
+ };
+
+}
+
+namespace NS {
+ void foo();
+ extern int bar;
+ struct X;
+ template<typename T> struct Y;
+ template<typename T> void wibble(T);
+}
+namespace NS {
+ void NS::foo() {} // expected-warning{{extra qualification on member 'foo'}}
+ int NS::bar; // expected-warning{{extra qualification on member 'bar'}}
+ struct NS::X { }; // expected-warning{{extra qualification on member 'X'}}
+ template<typename T> struct NS::Y; // expected-warning{{extra qualification on member 'Y'}}
+ template<typename T> void NS::wibble(T) { } // expected-warning{{extra qualification on member 'wibble'}}
+}
diff --git a/test/CXX/dcl.decl/dcl.name/p1.cpp b/test/CXX/dcl.decl/dcl.name/p1.cpp
index 7586007cc7b38..9838b4f4737db 100644
--- a/test/CXX/dcl.decl/dcl.name/p1.cpp
+++ b/test/CXX/dcl.decl/dcl.name/p1.cpp
@@ -2,15 +2,19 @@
namespace pr6200 {
struct v {};
+ enum E { e };
struct s {
int i;
operator struct v() { return v(); };
+ operator enum E() { return e; }
};
void f()
{
- // Neither of these is a declaration.
+ // None of these is a declaration.
(void)new struct s;
+ (void)new enum E;
(void)&s::operator struct v;
+ (void)&s::operator enum E;
}
}