phunix/external/bsd/llvm/dist/clang/test/SemaCXX/devirtualize-vtable-marking.cpp
Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

48 lines
948 B
C++

// RUN: %clang_cc1 -verify -std=c++11 %s
template <typename T> struct OwnPtr {
T *p;
~OwnPtr() {
// expected-error@+1 {{invalid application of 'sizeof'}}
static_assert(sizeof(T) > 0, "incomplete T");
delete p;
}
};
namespace use_vtable_for_vcall {
struct Incomplete; // expected-note {{forward declaration}}
struct A {
virtual ~A() {}
virtual void m() {}
};
struct B : A { // expected-note {{in instantiation}}
B();
virtual void m() { }
virtual void m2() { static_cast<A *>(this)->m(); }
OwnPtr<Incomplete> m_sqlError;
};
B *f() {
return new B();
}
}
namespace dont_mark_qualified_vcall {
struct Incomplete;
struct A {
virtual ~A() {}
virtual void m() {}
};
struct B : A {
B();
// Previously we would mark B's vtable referenced to devirtualize this call to
// A::m, even though it's not a virtual call.
virtual void m() { A::m(); }
OwnPtr<Incomplete> m_sqlError;
};
B *f() {
return new B();
}
}