// PR optimization/6713
|
// PR optimization/6713
|
// This testcase segfaulted on x86 because a dangling REG_EQUAL note
|
// This testcase segfaulted on x86 because a dangling REG_EQUAL note
|
// resulted in incorrect substitutions later.
|
// resulted in incorrect substitutions later.
|
// { dg-do run }
|
// { dg-do run }
|
// { dg-options "-O2" }
|
// { dg-options "-O2" }
|
|
|
template class basic_iterator
|
template class basic_iterator
|
{
|
{
|
public:
|
public:
|
basic_iterator(_CharT* _p) : _M_current(_p) {}
|
basic_iterator(_CharT* _p) : _M_current(_p) {}
|
basic_iterator& operator++() { ++_M_current; return *this; }
|
basic_iterator& operator++() { ++_M_current; return *this; }
|
_CharT& operator*() const { return *_M_current; }
|
_CharT& operator*() const { return *_M_current; }
|
bool operator!=(basic_iterator &_rhs) { return _M_current != _rhs._M_current; }
|
bool operator!=(basic_iterator &_rhs) { return _M_current != _rhs._M_current; }
|
|
|
private:
|
private:
|
_CharT* _M_current;
|
_CharT* _M_current;
|
};
|
};
|
|
|
template class basic_string
|
template class basic_string
|
{
|
{
|
public:
|
public:
|
typedef unsigned int size_type;
|
typedef unsigned int size_type;
|
typedef basic_iterator<_CharT> iterator;
|
typedef basic_iterator<_CharT> iterator;
|
|
|
private:
|
private:
|
struct _Rep
|
struct _Rep
|
{
|
{
|
size_type _M_length;
|
size_type _M_length;
|
size_type _M_capacity;
|
size_type _M_capacity;
|
int _M_references;
|
int _M_references;
|
|
|
bool _M_is_leaked() const { return _M_references < 0; }
|
bool _M_is_leaked() const { return _M_references < 0; }
|
bool _M_is_shared() const { return _M_references > 0; }
|
bool _M_is_shared() const { return _M_references > 0; }
|
void _M_set_leaked() { _M_references = -1; }
|
void _M_set_leaked() { _M_references = -1; }
|
void _M_set_sharable() { _M_references = 0; }
|
void _M_set_sharable() { _M_references = 0; }
|
};
|
};
|
|
|
struct _Rep _M_rep;
|
struct _Rep _M_rep;
|
|
|
struct _Alloc_hider
|
struct _Alloc_hider
|
{
|
{
|
_CharT _raw[16];
|
_CharT _raw[16];
|
_CharT* _M_p;
|
_CharT* _M_p;
|
};
|
};
|
|
|
mutable _Alloc_hider _M_dataplus;
|
mutable _Alloc_hider _M_dataplus;
|
|
|
_CharT* _M_data() const { return _M_dataplus._M_p; }
|
_CharT* _M_data() const { return _M_dataplus._M_p; }
|
|
|
void _M_leak() { if (!_M_rep._M_is_leaked()) _M_leak_hard(); }
|
void _M_leak() { if (!_M_rep._M_is_leaked()) _M_leak_hard(); }
|
|
|
static int count;
|
static int count;
|
|
|
static void _M_leak_hard();
|
static void _M_leak_hard();
|
|
|
public:
|
public:
|
explicit basic_string(const _CharT* __s);
|
explicit basic_string(const _CharT* __s);
|
|
|
iterator begin() { _M_leak(); return iterator(_M_data()); }
|
iterator begin() { _M_leak(); return iterator(_M_data()); }
|
|
|
iterator end() { _M_leak(); return iterator(_M_data() + this->size()); }
|
iterator end() { _M_leak(); return iterator(_M_data() + this->size()); }
|
|
|
size_type size() const { return _M_rep._M_length; }
|
size_type size() const { return _M_rep._M_length; }
|
};
|
};
|
|
|
template basic_string<_CharT>::
|
template basic_string<_CharT>::
|
basic_string(const _CharT* __s)
|
basic_string(const _CharT* __s)
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i=0; i<15; i++) {
|
for (i=0; i<15; i++) {
|
if (!__s[i])
|
if (!__s[i])
|
break;
|
break;
|
|
|
_M_dataplus._raw[i] = __s[i];
|
_M_dataplus._raw[i] = __s[i];
|
}
|
}
|
|
|
_M_dataplus._raw[i] = 0;
|
_M_dataplus._raw[i] = 0;
|
_M_dataplus._M_p = _M_dataplus._raw;
|
_M_dataplus._M_p = _M_dataplus._raw;
|
|
|
_M_rep._M_length = i;
|
_M_rep._M_length = i;
|
_M_rep._M_capacity = i;
|
_M_rep._M_capacity = i;
|
_M_rep._M_references = 1;
|
_M_rep._M_references = 1;
|
}
|
}
|
|
|
template int basic_string<_CharT>::count = 0;
|
template int basic_string<_CharT>::count = 0;
|
|
|
template void basic_string<_CharT>::
|
template void basic_string<_CharT>::
|
_M_leak_hard()
|
_M_leak_hard()
|
{
|
{
|
count++;
|
count++;
|
}
|
}
|
|
|
typedef basic_string string;
|
typedef basic_string string;
|
|
|
template int basic_string::count;
|
template int basic_string::count;
|
|
|
int isspa(int ch)
|
int isspa(int ch)
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
|
|
void foo(string& str)
|
void foo(string& str)
|
{
|
{
|
string::iterator it = str.begin();
|
string::iterator it = str.begin();
|
string::iterator stop = str.end();
|
string::iterator stop = str.end();
|
|
|
for (; it != stop; ++it)
|
for (; it != stop; ++it)
|
if (isspa(*it))
|
if (isspa(*it))
|
break;
|
break;
|
}
|
}
|
|
|
int main()
|
int main()
|
{
|
{
|
string str("test");
|
string str("test");
|
foo(str);
|
foo(str);
|
}
|
}
|
|
|
