diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/constexpr-48089.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/constexpr-48089.C | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-48089.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-48089.C new file mode 100644 index 000000000..5124f7c7f --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-48089.C @@ -0,0 +1,50 @@ +// PR c++/48089 +// { dg-options -std=c++0x } + +// bang is ill-formed (diagnostic required) because its initializer is +// non-constant, because it uses the value of an uninitialized object. + +// s() is ill-formed (no diagnostic required) because there is no set of +// arguments that would produce a constant expression. + +// R() is well-formed because i is initialized before j. + +struct s { + constexpr s() : v(v) { } // { dg-message "" } + int v; +}; + +constexpr s bang; // { dg-error "" } + +struct R { + int i,j; + constexpr R() : i(42),j(i) { } // { dg-bogus "" "" { xfail *-*-* } } +}; + +constexpr R r; // { dg-bogus "" "" { xfail *-*-* } } + +// Ill-formed (no diagnostic required) +struct T { + int i; + constexpr int f() { return i; } + constexpr T(): i(0) { } + constexpr T(const T& t) : i(f()) { } // { dg-message "" } +}; + +constexpr T t1; +// Ill-formed (diagnostic required) +constexpr T t2(t1); // { dg-error "" } + +// Well-formed +struct U { + int i, j; + constexpr int f(int _i) { return _i; } + constexpr int g() { return i; } + constexpr U(): i(0), j(0) { } + constexpr U(const U& t) : i(f(t.i)),j(0) { } // { dg-bogus "" "" { xfail *-*-* } } + constexpr U(int _i) : i(_i),j(g()) { } // { dg-bogus "" "" { xfail *-*-* } } +}; + +constexpr U u1; +constexpr U u2(u1); // { dg-bogus "" "" { xfail *-*-* } } +constexpr U u3(1); // { dg-bogus "" "" { xfail *-*-* } } |