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# $NetBSD: c.help,v 1.1 2008/01/06 19:13:31 rillig Exp $
# This file contains typical error messages from C++ compilers and
# instructions how to fix them properly.
# === Invalid lvalue in increment ===
#
# Once upon a time, it was possible to say "((int)foo)++". With gcc4,
# this no longer works, and now you have to say "foo = (int)foo + 1".
#
# This becomes more complicated in macros that access datastructures,
# which involves much pointer arithmetics. A popular example is obstack,
# a collection of "object stack macros". A patch for fixing that is in
# devel/coconut/patches/patch-ab revision 1.1.
#
# Keywords: C lvalue increment obstack obstack_ptr_grow
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