--- /dev/null
+// ecgs-bugs 1999-02-22 14:21, Stefan Schwarzer
+// sts@ica1.uni-stuttgart.de
+// this code should compile quietly
+
+class CArray
+{
+public:
+ operator double* (){ return a; }
+ // works if we comment this line:
+ operator double* () const { return const_cast<double *>(a); }
+private:
+ double a[2];
+};
+
+int main(){
+ CArray a;
+ double *pa = a + 1; // gets bogus error - should convert
+ return 0;
+}
+
+
+
+
+
--- /dev/null
+// egcs-bugs 999-02-22 14:26 Stefan Schwarzer
+// sts@ica1.uni-stuttgart.de
+// should compile and return 0
+
+template <int N>
+struct Outer{
+ struct Inner{
+ Inner(int n): sum(n){}
+
+ typename Outer<N-1>::Inner operator[](int n) const
+ { return Outer<N-1>::Inner(sum + n); }
+
+ int sum;
+ };
+
+ typename Outer<N-1>::Inner operator[](int n) const
+ { return Outer<N-1>::Inner(n); }
+};
+
+
+// specializations for N==1
+template<>
+struct Outer<1> {
+ struct Inner {
+ Inner(int n): sum(n){}
+
+ int operator[](int n) const
+ { return sum+n; }
+
+ int sum;
+ };
+
+ int operator[](int n) const
+ { return n; }
+};
+
+
+int main()
+{
+ Outer<1> sum1;
+ //std::cout << sum1[1] << "\n";
+ Outer<2> sum2;
+ //std::cout << sum2[1][1] << "\n";
+ return sum1[1] + sum2[1][1] - 3;
+}
--- /dev/null
+// excess errors test - XFAIL
+// ecgs-bugs 1999-02-22 14:26 Stefan Schwarzer
+// sts@ica1.uni-stuttgart.de
+// partial ordering problem in egcs <= 1.1.1
+
+template<class T>
+int f(T &){ return 1; }
+
+template<class T>
+int f( T[] ){ return 0; }
+
+int main(){
+ int d[] ={2};
+ return f(d);
+}
--- /dev/null
+// Special g++ Options: -O2
+// egcs-bugs 1999-02-22 14:24 Stefan Schwarzer
+// sts@ica1.uni-stuttgart.de
+// optimizer problem in egcs <= 1.1.1
+
+struct XTVec{
+ XTVec(){x[0]=x[1] =x[2] =0;}
+ XTVec(int ax,int y=0.,int z=0.){x[0]=ax;x[1]=y; x[2]=z; }
+ int& operator[](int);
+
+ int x[3];
+};
+
+inline
+int & XTVec::operator[](int i){
+ return x[i];
+}
+
+inline
+XTVec& operator+=(XTVec& lhs, XTVec& rhs){
+ lhs[0]+=rhs[0];
+ lhs[1]+=rhs[1];
+ lhs[2]+=rhs[2];
+ return lhs;
+}
+
+inline
+XTVec operator+(XTVec& lhs, XTVec& rhs){
+ XTVec result(lhs);
+ return result += rhs;
+}
+
+int main()
+{
+ XTVec ur(4.,0.,1.);
+ XTVec ll(0.,2.,0.);
+ XTVec initsum(ur + ll);
+
+ // sum of components should be 7
+ return (initsum[0] + initsum[1] + initsum[2] - 7);
+}