Path: utzoo!attcan!uunet!pilchuck!dataio!bright
From: bright@Data-IO.COM (Walter Bright)
Newsgroups: comp.lang.c++
Subject: Re: Bug in Zortech C++ 2.0
Keywords: typedef structs, unions
Message-ID: <2339@dataio.Data-IO.COM>
Date: 19 Feb 90 19:45:32 GMT
References: <22379@unix.cis.pitt.edu>
Reply-To: bright@Data-IO.COM (Walter Bright)
Organization: Data I/O Corporation; Redmond, WA
Lines: 16

In article <22379@unix.cis.pitt.edu> rozin@unix.cis.pitt.edu (R  Rozin) writes:
<It seems that Zortech C++ 2.0 has a bug in the way it
<mangles names relating to typedef'd structs and typedef'd
<unions.
<	typedef union { ... } U2 ;
<	void f(U2 *);
<The workaround is obviously to declare a typedef'd union before
<U2 in u2.c so that the number of typedef'd unions will be the same
<(and the unions of import must be in the same position) in the
<different files for the compilation to proceed.  Yuck!

No, the workaround is to put a tag name for the union:
	union U2 { ... };

In the absence of a tag name, the compiler generates one. (There'll be
a warning for this in the next version.)