egcs-1.1.1, wrong warning with -O2

[Volker Apelt]

// DEFECT REPORT FOR  egcs-2.91.60 19981201 (egcs-1.1.1 release)
// 
// egcs emits a wrong warning with -O2. This warning will not appeare 
// without -O2.  
// 
// 
// keywords: optimize, destructor, goto, delete [], wrong warning,  
///////////////
// System: linux (Suse 6.0 release) 
///////////////
// cmdline> gcc -V 2.91.60 -Wreturn-type -O2 -c -o bug.o bug.cc
// ...
// bug.cc: In function `bool make()':
// bug.cc:36: warning: control reaches end of non-void function `make()'
//
// line 36 is the last line in make()
// Reading specs from /usr/lib/gcc-lib/i486-linux/egcs-2.91.60/specs
// gcc version egcs-2.91.60 19981201 (egcs-1.1.1 release)  
///////////////////////////////////////////////////////////////////
// class A:  class with data and user defined destructor 
class A {  
public:  
    inline ~A(void){}; 
private:
    int x;
};
// class B: class with pointer to user defined data
//          and delete [] in user defined destructor 
class B {  
private:
    A* x;
public:  
    // use(): noop, avoid warning about unused vars,
    //        not required for bug
    inline void use(void)const{}; 
    inline ~B(void){ delete [] x; }; 
};
///////////////////////////////
bool make( void )
{
    B b;    b.use();
    goto error_recover; 

    return 0;
  error_recover:
    A a; 
    return 1;
}; // this was line 36 of the error message

---
Volker Apelt                              Group of Prof. Dr. Ch. Griesinger
                                        Johann Wolfgang Goethe Universitaet
                                                Frankfurt am Main (Germany)
va@krypton.org.chemie.uni-frankfurt.de