llvm-project/clang/test/SemaCXX/ms-const-member-expr.cpp
David Majnemer e9807b28af [MSVC Compat] Don't evaluate member base expressions w/o side effects
A member expression's base doesn't always have an impact on what the
member decl would evaluate to.  In such a case, the base is used as a
poor man's scope qualifier.

This fixes PR26738.

Differential Revision: http://reviews.llvm.org/D17619

llvm-svn: 261975
2016-02-26 04:23:19 +00:00

20 lines
469 B
C++

// RUN: %clang_cc1 %s -std=c++11 -fms-compatibility -fsyntax-only -verify
struct S {
enum { E = 1 };
static const int sdm = 1;
};
void f(S *s) {
char array[s->E] = { 0 };
}
extern S *s;
constexpr int e1 = s->E;
S *side_effect(); // expected-note{{declared here}}
constexpr int e2 = // expected-error{{must be initialized by a constant expression}}
side_effect()->E; // expected-note{{cannot be used in a constant expression}}
constexpr int e4 = s->sdm;