We have a diagnostic describing that constexpr changed in C++14 when
compiling in C++11 mode. While doing this, it examines the previous
declaration and assumes that it is a function. However it is possible,
in the context of error recovery, for this to not be the case.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@225518
91177308-0d34-0410-b5e6-
96231b3b80d8
(MD->getTypeQualifiers() & Qualifiers::Const) == 0) {
CXXMethodDecl *OldMD = nullptr;
if (OldDecl)
- OldMD = dyn_cast<CXXMethodDecl>(OldDecl->getAsFunction());
+ OldMD = dyn_cast_or_null<CXXMethodDecl>(OldDecl->getAsFunction());
if (!OldMD || !OldMD->isStatic()) {
const FunctionProtoType *FPT =
MD->getType()->castAs<FunctionProtoType>();
constexpr int Fun() { return; } // expected-error {{non-void constexpr function 'Fun' should return a value}}
constexpr int Var = Fun(); // expected-error {{constexpr variable 'Var' must be initialized by a constant expression}}
}
+
+struct InvalidRedef {
+ int f; // expected-note{{previous definition is here}}
+ constexpr int f(void); // expected-error{{redefinition of 'f'}} expected-warning{{will not be implicitly 'const'}}
+};