diff options
Diffstat (limited to 'clang/test/SemaCXX')
| -rw-r--r-- | clang/test/SemaCXX/constant-expression-cxx11.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/clang/test/SemaCXX/constant-expression-cxx11.cpp b/clang/test/SemaCXX/constant-expression-cxx11.cpp index 3c85adcc189..5b837e39d74 100644 --- a/clang/test/SemaCXX/constant-expression-cxx11.cpp +++ b/clang/test/SemaCXX/constant-expression-cxx11.cpp @@ -206,7 +206,9 @@ namespace ParameterScopes { constexpr int b = MaybeReturnNonstaticRef(true, 0); // expected-error {{constant expression}} expected-note {{in call to 'MaybeReturnNonstaticRef(1, 0)'}} constexpr int InternalReturnJunk(int n) { - // FIXME: We should reject this: it never produces a constant expression. + // TODO: We could reject this: it never produces a constant expression. + // However, we currently don't evaluate function calls while testing for + // potential constant expressions, for performance. return MaybeReturnJunk(true, n); // expected-note {{in call to 'MaybeReturnJunk(1, 0)'}} } constexpr int n3 = InternalReturnJunk(0); // expected-error {{must be initialized by a constant expression}} expected-note {{in call to 'InternalReturnJunk(0)'}} @@ -969,10 +971,9 @@ namespace PR11595 { struct B { B(); A& x; }; static_assert(B().x == 3, ""); // expected-error {{constant expression}} expected-note {{non-literal type 'PR11595::B' cannot be used in a constant expression}} - constexpr bool f(int k) { + constexpr bool f(int k) { // expected-error {{constexpr function never produces a constant expression}} return B().x == k; // expected-note {{non-literal type 'PR11595::B' cannot be used in a constant expression}} } - constexpr int n = f(1); // expected-error {{must be initialized by a constant expression}} expected-note {{in call to 'f(1)'}} } namespace ExprWithCleanups { |
