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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/SemaCXX/return.cpp | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/SemaCXX/return.cpp')
-rw-r--r-- | clang/test/SemaCXX/return.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/return.cpp b/clang/test/SemaCXX/return.cpp new file mode 100644 index 0000000..2f98a27 --- /dev/null +++ b/clang/test/SemaCXX/return.cpp @@ -0,0 +1,82 @@ +// RUN: %clang_cc1 %s -fcxx-exceptions -fexceptions -fsyntax-only -Wignored-qualifiers -verify + +int test1() { + throw; +} + +// PR5071 +template<typename T> T f() { } + +template<typename T> +void g(T t) { + return t * 2; // okay +} + +template<typename T> +T h() { + return 17; +} + +// Don't warn on cv-qualified class return types, only scalar return types. +namespace ignored_quals { +struct S {}; +const S class_c(); +const volatile S class_cv(); + +const int scalar_c(); // expected-warning{{'const' type qualifier on return type has no effect}} +int const scalar_c2(); // expected-warning{{'const' type qualifier on return type has no effect}} + +const +char* +const // expected-warning{{'const' type qualifier on return type has no effect}} +f(); + +char +const* +const // expected-warning{{'const' type qualifier on return type has no effect}} +g(); + +char* const h(); // expected-warning{{'const' type qualifier on return type has no effect}} +char* volatile i(); // expected-warning{{'volatile' type qualifier on return type has no effect}} + +char* +volatile // expected-warning{{'const volatile' type qualifiers on return type have no effect}} +const +j(); + +const volatile int scalar_cv(); // expected-warning{{'const volatile' type qualifiers on return type have no effect}} +} + +namespace PR9328 { + typedef char *PCHAR; + class Test + { + const PCHAR GetName() { return 0; } // expected-warning{{'const' type qualifier on return type has no effect}} + }; +} + +class foo { + operator int * const (); +}; + +namespace PR10057 { + struct S { + ~S(); + }; + + template <class VarType> + void Test(const VarType& value) { + return S() = value; + } +} + +namespace return_has_expr { + struct S { + S() { + return 42; // expected-error {{constructor 'S' should not return a value}} + } + ~S() { + return 42; // expected-error {{destructor '~S' should not return a value}} + } + }; +} |