Path: utzoo!telly!attcan!dptcdc!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!PURPLE.CS.UCL.AC.UK!T.Day
From: T.Day@PURPLE.CS.UCL.AC.UK (Tim Day)
Newsgroups: gnu.g++.bug
Subject: Problems with Gnu's own examples ???
Message-ID: <8903092200.AA05384@prep.ai.mit.edu>
Date: 9 Mar 89 22:19:23 GMT
Sender: daemon@tut.cis.ohio-state.edu
Distribution: gnu
Organization: GNUs Not Usenet
Lines: 28

I can't get the following to compile (or fail cleanly) under g++ version 1.32.0 
(is essentially the example from ``naming an expression's type'' in the
manual).
-------
#include <stream.h>

#define max(a,b) \
  ({typedef _ta = (a),_tb = (b); \
  _ta _a = (a);_tb _b = (b); \
  _a > _b ? _a : _b; })

main()
{	int a=1,b=2;
	cout << max(a,b);		// Here

	exit(0);
}
-------
Error is :
In function int main ():
ttest.cc:10: Segmentation violation
g++: Program c++ got fatal signal 11.

Also segmentation faults using a version based on 'typeof'.

Using
#define max(a,b) ((a)<(b)?(a):(b))
gives no problems