diff options
Diffstat (limited to 'test/SemaCXX/implicit-exception-spec.cpp')
-rw-r--r-- | test/SemaCXX/implicit-exception-spec.cpp | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/test/SemaCXX/implicit-exception-spec.cpp b/test/SemaCXX/implicit-exception-spec.cpp index e26f985..ff3d685 100644 --- a/test/SemaCXX/implicit-exception-spec.cpp +++ b/test/SemaCXX/implicit-exception-spec.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -std=c++11 -Wall %s +// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -std=c++11 -Wall -Wno-unused-local-typedefs %s template<bool b> struct ExceptionIf { static int f(); }; template<> struct ExceptionIf<false> { typedef int f; }; @@ -17,42 +17,43 @@ namespace InClassInitializers { // is false. bool ThrowSomething() noexcept(false); struct ConstExpr { - bool b = noexcept(ConstExpr()) && ThrowSomething(); // expected-error {{cannot be used by non-static data member initializer}} + bool b = noexcept(ConstExpr()) && ThrowSomething(); // expected-error {{cannot use defaulted default constructor of 'ConstExpr' within the class outside of member functions}} + // expected-note@-1 {{implicit default constructor for 'InClassInitializers::ConstExpr' first required here}} }; - // We can use it now. - bool w = noexcept(ConstExpr()); // Much more obviously broken: we can't parse the initializer without already // knowing whether it produces a noexcept expression. struct TemplateArg { - int n = ExceptionIf<noexcept(TemplateArg())>::f(); // expected-error {{cannot be used by non-static data member initializer}} + int n = ExceptionIf<noexcept(TemplateArg())>::f(); // expected-error {{cannot use defaulted default constructor of 'TemplateArg' within the class outside of member functions}} + // expected-note@-1 {{implicit default constructor for 'InClassInitializers::TemplateArg' first required here}} }; - bool x = noexcept(TemplateArg()); // And within a nested class. - struct Nested { // expected-error {{cannot be used by non-static data member initializer}} + struct Nested { // expected-note {{implicit default constructor for 'InClassInitializers::Nested::Inner' first required here}} struct Inner { + // expected-error@+1 {{cannot use defaulted default constructor of 'Inner' within 'Nested' outside of member functions}} int n = ExceptionIf<noexcept(Nested())>::f(); // expected-note {{implicit default constructor for 'InClassInitializers::Nested' first required here}} } inner; }; - struct Nested2 { + struct Nested2 { // expected-error {{implicit default constructor for 'InClassInitializers::Nested2' must explicitly initialize the member 'inner' which does not have a default constructor}} struct Inner; - int n = Inner().n; // expected-error {{cannot be used by non-static data member initializer}} - struct Inner { + int n = Inner().n; // expected-note {{implicit default constructor for 'InClassInitializers::Nested2::Inner' first required here}} + struct Inner { // expected-note {{declared here}} + // expected-error@+1 {{cannot use defaulted default constructor of 'Inner' within 'Nested2' outside of member functions}} int n = ExceptionIf<noexcept(Nested2())>::f(); - } inner; + // expected-note@-1 {{implicit default constructor for 'InClassInitializers::Nested2' first required here}} + } inner; // expected-note {{member is declared here}} }; } namespace ExceptionSpecification { - // A type is permitted to be used in a dynamic exception specification when it - // is still being defined, but isn't complete within such an exception - // specification. - struct Nested { // expected-note {{not complete}} + // FIXME: This diagnostic is quite useless; we should indicate whose + // exception specification we were looking for and why. + struct Nested { struct T { - T() noexcept(!noexcept(Nested())); // expected-error{{incomplete type}} - } t; + T() noexcept(!noexcept(Nested())); + } t; // expected-error{{exception specification is not available until end of class definition}} }; } |