c++/9420: [regression over 2.95] incomplete type incorrectly reported

[mdorey@bluearc.com]

>Number:         9420
>Category:       c++
>Synopsis:       [regression over 2.95] incomplete type incorrectly reported
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          rejects-legal
>Submitter-Id:   net
>Arrival-Date:   Thu Jan 23 16:26:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     jgibbs@bluearc.com
>Release:        GNU C version 3.2.2 20030109 (Debian prerelease)
>Organization:
>Environment:
Linux trevithick 2.4.16 #2 Mon Dec 10 15:54:50 GMT 2001 i686 unknown unknown GNU/Linux
>Description:

enum Bools
{
  False
};

template<class T>
struct Container
{
  static const int a = False < false;
};

template<class CharType>
class BasicString
{
  Container<int> b;
};

struct InplaceString
{
  InplaceString(BasicString<int>);
};
int operator<(int, InplaceString);

Container<int> c;

Produces:

Reading specs from /usr/lib/gcc-lib/i386-linux/3.2.2/specs
Configured with: ../src/configure -v --enable-languages=c,c++,java,f77,proto,pascal,objc,ada --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-gxx-include-dir=/usr/include/c++/3.2 --enable-shared --with-system-zlib --enable-nls --without-included-gettext --enable-__cxa_atexit --enable-clocale=gnu --enable-java-gc=boehm --enable-objc-gc i386-linux
Thread model: posix
gcc version 3.2.2 20030109 (Debian prerelease)
 /usr/lib/gcc-lib/i386-linux/3.2.2/cc1plus -v -D__GNUC__=3 -D__GNUC_MINOR__=2 -D__GNUC_PATCHLEVEL__=2 -D__GXX_ABI_VERSION=102 -D__ELF__ -Dunix -D__gnu_linux__ -Dlinux -D__ELF__ -D__unix__ -D__gnu_linux__ -D__linux__ -D__unix -D__linux -Asystem=posix -D__NO_INLINE__ -D__STDC_HOSTED__=1 -D_GNU_SOURCE -Acpu=i386 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i386__ Whole.cpp -D__GNUG__=3 -D__DEPRECATED -D__EXCEPTIONS -quiet -dumpbase Whole.cpp -W -Wall -pedantic -version -o /tmp/ccWxcPJh.s
GNU CPP version 3.2.2 20030109 (Debian prerelease) (cpplib) (i386 Linux/ELF)
GNU C++ version 3.2.2 20030109 (Debian prerelease) (i386-linux)
        compiled by GNU C version 3.2.2 20030109 (Debian prerelease).
ignoring nonexistent directory "/usr/i386-linux/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/include/c++/3.2
 /usr/include/c++/3.2/i386-linux
 /usr/include/c++/3.2/backward
 /usr/local/include
 /usr/lib/gcc-lib/i386-linux/3.2.2/include
 /usr/include
End of search list.
Whole.cpp: In instantiation of `BasicString<int>':
Whole.cpp:10:   instantiated from `Container<int>'
Whole.cpp:25:   instantiated from here
Whole.cpp:16: `BasicString<CharType>::b' has incomplete type
Whole.cpp:9: declaration of `struct Container<int>'

When compiled with:

gcc -v -c -W -Wall -pedantic Whole.cpp 
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: