@@ -523,6 +523,7 @@ public:
Value_Range (const Value_Range &);
void set_type (tree type);
vrange& operator= (const vrange &);
+ Value_Range& operator= (const Value_Range &);
bool operator== (const Value_Range &r) const;
bool operator!= (const Value_Range &r) const;
operator vrange &();
@@ -642,6 +643,30 @@ Value_Range::operator= (const vrange &r)
return *m_vrange;
}
+inline Value_Range &
+Value_Range::operator= (const Value_Range &r)
+{
+ if (r.m_vrange == &r.m_irange)
+ {
+ m_irange = r.m_irange;
+ m_vrange = &m_irange;
+ }
+ else if (r.m_vrange == &r.m_frange)
+ {
+ m_frange = r.m_frange;
+ m_vrange = &m_frange;
+ }
+ else if (r.m_vrange == &r.m_unsupported)
+ {
+ m_unsupported = r.m_unsupported;
+ m_vrange = &m_unsupported;
+ }
+ else
+ gcc_unreachable ();
+
+ return *this;
+}
+
inline bool
Value_Range::operator== (const Value_Range &r) const
{