[Bug c++/31300] New: undetected class name clash

[thierry dot galas at med dot ge dot com]

2 local classes with same name and sharing  methods with same signature 
mismatch in calling methods depending on link order

fangorn:thierry% g++ -v
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: /home/thierry/gcc-4.0.4/configure
Thread model: posix
gcc version 4.0.4

fangorn:thierry% g++  t1.cxx t2.cxx main.cxx





fangorn:thierry% ./a.out
 X1
 X1

fangorn:thierry% g++ t2.cxx t1.cxx main.cxx
fangorn:thierry% ./a.out
 X2
 X2


fangorn:thierry% more x.h
struct X {
   virtual void print()=0;
};

X* getX1();
X* getX2();


fangorn:thierry% more t1.cxx
#include "x.h"
#include <iostream>

struct  X1 : public X {
  virtual void print () { std::cerr << " X1\n"; };
};

struct  T : public X1 {

};

static X* x=new T();

X* getX1() { return x; };


fangorn:thierry% more t2.cxx
#include "x.h"
#include <iostream>

struct  X2 : public X {
  virtual void print () { std::cerr<< " X2\n"; };
};

struct  T : public X2 {

};

static X* x=new T();

X* getX2() { return x; };


fangorn:thierry% more main.cxx
#include "x.h"

int main(int argc, char** argv) {
   X* x1=getX1();
   X* x2=getX2();

   x1->print();
   x2->print();

}


-- 
           Summary: undetected class name clash
           Product: gcc
           Version: 4.0.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: thierry dot galas at med dot ge dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31300