Greg, Rene did a little analysis for me and I found a couple of things here. 1) The problem happens when using 'operator(ostream& ost,T& obj)' after reloading iostream.h. 2) This happens only on ROOT, raw Cint works fine. This problem is really strange. I haven't been able to figure out root cause of the problem. A workaround, for the time being would be to add following line to rootlogon.C. gSystem.Load("iostream.h"); or G__loadfile("iostream.h"); Doing this will prevent iosteram.h to be unloaded. Masaharu Goto >Masa, >I already noticed that if one tries to execute again a file >with includes, this crashes CINT (see traceback below). >I tried the trivial example from Greg Novak by executing >#include<iostream.h> only once. in this case, I can rexecute >the file many times. >Here is my test session with the traceback: > >root [0] .L Hello.C >root [1] main() >Hello World! >(int)0 >root [2] .L Hello.C >root [3] main() > >Program received signal SIGSEGV, Segmentation fault. >0x40125879 in G__interpret_func () > >Program received signal SIGSEGV, Segmentation fault. >0x40128607 in G__interpret_func (result7=0xbfff3ee0, > funcname=0xbfff3e40 "operator<<", libp=0xbfff117c, hash=996, > p_ifunc=0x101, funcmatch=1, memfunc_flag=2) at CINT_ifunc.c:1962 >1962 while((ipara==0)&&(ifn<p_ifunc->allifunc)) {
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