Delete dead functions 'defineRed' and 'nameCollision'

src/class.c

@@ -897,18 +897,6 @@ void ClassDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
     buf->writenl();
 }
 
-#if 0
-void ClassDeclaration::defineRef(Dsymbol *s)
-{
-    ClassDeclaration *cd;
-
-    AggregateDeclaration::defineRef(s);
-    cd = s->isClassDeclaration();
-    baseType = cd->baseType;
-    cd->baseType = NULL;
-}
-#endif
-
 /*********************************************
  * Determine if 'this' is a base class of cd.
  * This is used to detect circular inheritance only.

src/dsymbol.c

@@ -537,11 +537,6 @@ ClassDeclaration *Dsymbol::isClassMember()      // are we a member of a class?
     return ad ? ad->isClassDeclaration() : NULL;
 }
 
-void Dsymbol::defineRef(Dsymbol *s)
-{
-    assert(0);
-}
-
 bool Dsymbol::isExport()
 {
     return false;
@@ -1050,15 +1045,6 @@ bool ScopeDsymbol::isforwardRef()
     return (members == NULL);
 }
 
-void ScopeDsymbol::defineRef(Dsymbol *s)
-{
-    ScopeDsymbol *ss;
-
-    ss = s->isScopeDsymbol();
-    members = ss->members;
-    ss->members = NULL;
-}
-
 void ScopeDsymbol::multiplyDefined(Loc loc, Dsymbol *s1, Dsymbol *s2)
 {
 #if 0
@@ -1082,28 +1068,6 @@ void ScopeDsymbol::multiplyDefined(Loc loc, Dsymbol *s1, Dsymbol *s2)
     }
 }
 
-Dsymbol *ScopeDsymbol::nameCollision(Dsymbol *s)
-{
-    Dsymbol *sprev;
-
-    // Look to see if we are defining a forward referenced symbol
-
-    sprev = symtab->lookup(s->ident);
-    assert(sprev);
-    if (s->equals(sprev))               // if the same symbol
-    {
-        if (s->isforwardRef())          // if second declaration is a forward reference
-            return sprev;
-        if (sprev->isforwardRef())
-        {
-            sprev->defineRef(s);        // copy data from s into sprev
-            return sprev;
-        }
-    }
-    multiplyDefined(Loc(), s, sprev);
-    return sprev;
-}
-
 const char *ScopeDsymbol::kind()
 {
     return "ScopeDsymbol";

src/dsymbol.h

@@ -191,7 +191,6 @@ class Dsymbol : public RootObject
     virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
     virtual unsigned size(Loc loc);
     virtual bool isforwardRef();
-    virtual void defineRef(Dsymbol *s);
     virtual AggregateDeclaration *isThis();     // is a 'this' required to access the member
     AggregateDeclaration *isAggregateMember();  // are we a member of an aggregate?
     AggregateDeclaration *isAggregateMember2(); // are we a member of an aggregate?
@@ -292,9 +291,7 @@ class ScopeDsymbol : public Dsymbol
     Dsymbol *search(Loc loc, Identifier *ident, int flags = IgnoreNone);
     void importScope(Dsymbol *s, PROT protection);
     bool isforwardRef();
-    void defineRef(Dsymbol *s);
     static void multiplyDefined(Loc loc, Dsymbol *s1, Dsymbol *s2);
-    Dsymbol *nameCollision(Dsymbol *s);
     const char *kind();
     FuncDeclaration *findGetMembers();
     virtual Dsymbol *symtabInsert(Dsymbol *s);