g++ 1.32 allows illegal implicit pointer conversion

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1 total messages Started by Tom Vijlbrief Thu, 26 Jan 1989 10:37

#1635

Author: Tom Vijlbrief
Date: Thu, 26 Jan 1989 10:37

31 lines
1401 bytes

g++ 1.32 (under SunOs 3.5, sun 3/60) allows the following
program which is illegal according to Stroustrup's book
(The C++ programming language), example on page 197.

class base {
	int     m1;
public:
	int     m2;
};

class derived : base {
};

derived d;
base    *pb= &d;        // error (private base) 

==============================
CC -v -S der.cc
g++ version 1.32.0
 /usr/local/lib/gcc-cpp -+ -v -undef -D__GNU__ -D__GNUG__ -Dmc68000 -Dsun -Dunix der.cc /tmp/cca07199.cpp
 GNU CPP version 1.32
  /usr/local/lib/gcc-c++ /tmp/cca07199.cpp -quiet -dumpbase der.cc -noreg -version -o der.s
  GNU C++ version 1.32.0 (68k, MIT syntax) compiled by GNU C version 1.32.

===============================================================================
Tom Vijlbrief
TNO Institute for Perception
P.O. Box 23				Phone: +31 34 63 62 77
3769 ZG  Soesterberg			E-mail: tnosoes!tom@mcvax.cwi.nl
The Netherlands				    or:	uunet!mcvax!tnosoes!tom
===============================================================================

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