This is the mail archive of the gcc-prs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

c++/47: Re: 2.95.1 nested classes broken



>Number:         47
>Category:       c++
>Synopsis:       [not accepted] nested classes broken
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Mar 05 02:16:02 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     raymond@magma.magma-da.com
>Release:        2.95.2
>Organization:
>Environment:
>Description:
 Date: Sun, 26 Sep 1999 22:47:46 -0700
 Original-Message-Id: <199909270547.WAA32443@linux1.magma-da.com>


 Dear gcc maintainers,

 In gcc-2.95.1 the scoping of nested classes is broken.   The snippet below
 compiles with gcc-2.7.2, egcs-1.1.2 and a wide variety of newer commercial
 C++ compilers, but it fails on 2.95.1.

 Thanks,
 -Raymond


 ----------------------------------------------------------------------
 49[linux1:]~/src/test>cat namescope.cxx
 class A {
 public:
	 class B;
	 class C;
 };

 class A::B {
 };

 class A::C {
	 class D;
 };

 class A::C::D {
 public:
	 B* foo();         // A::B should be in scope
 };
 ----------------------------------------------------------------------

 50[linux1:]~/src/test>/usr/local/gcc-2.95/bin/g++ -v  namescope.cxx
 Reading specs from /usr/local/gcc-2.95/lib/gcc-lib/i686-pc-linux-gnu/2.95.1/specs
 gcc version 2.95.1 19990816 (release)
  /usr/local/gcc-2.95/lib/gcc-lib/i686-pc-linux-gnu/2.95.1/cpp -lang-c++ -v -D__GNUC__=2 -D__GNUG__=2 -D__GNUC_MINOR__=95 -D__cplusplus -D__ELF__ -Dunix -D__i386__ -Dlinux -D__ELF__ -D__unix__ -D__i386__ -D__linux__ -D__unix -D__linux -Asystem(posix) -D__EXCEPTIONS -Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ -Di686 -Dpentiumpro -D__i686 -D__i686__ -D__pentiumpro -D__pentiumpro__ namescope.cxx /tmp/cc8RbNC5.ii
 GNU CPP version 2.95.1 19990816 (release) (i386 Linux/ELF)
 #include "..." search starts here:
 #include <...> search starts here:
  /usr/local/gcc-2.95/lib/gcc-lib/i686-pc-linux-gnu/2.95.1/../../../../include/g++-3
  /usr/local/include
  /usr/local/gcc-2.95/lib/gcc-lib/i686-pc-linux-gnu/2.95.1/../../../../i686-pc-linux-gnu/include
  /usr/local/gcc-2.95/lib/gcc-lib/i686-pc-linux-gnu/2.95.1/include
  /usr/include
 End of search list.
 The following default directories have been omitted from the search path:
 End of omitted list.
  /usr/local/gcc-2.95/lib/gcc-lib/i686-pc-linux-gnu/2.95.1/cc1plus /tmp/cc8RbNC5.ii -quiet -dumpbase namescope.cc -version -o /tmp/ccbQ8vF6.s
 GNU C++ version 2.95.1 19990816 (release) (i686-pc-linux-gnu) compiled by GNU C version 2.95.1 19990816 (release).
 namescope.cxx:16: syntax error before `*'

 51[linux1:]~/src/test>
 ----------------------------------------------------------------------
 FYI:

 51[linux1:]~/src/test>g++ -v -Wall -c namescope.cxx
 Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.91.66/specs
 gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)
  /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.91.66/cpp -lang-c++ -v -undef -D__GNUC__=2 -D__GNUG__=2 -D__cplusplus -D__GNUC_MINOR__=91 -D__ELF__ -Dunix -Di386 -D__i386__ -Dlinux -D__ELF__ -D__unix__ -D__i386__ -D__i386__ -D__linux__ -D__unix -D__i386 -D__linux -Asystem(posix) -D__EXCEPTIONS -Wall -Asystem(unix) -Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ namescope.cxx /tmp/ccibKqii.ii
 GNU CPP version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release) (i386 Linux/ELF)
 #include "..." search starts here:
 #include <...> search starts here:
  /usr/include/g++-2
  /usr/local/include
  /usr/i386-redhat-linux/include
  /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.91.66/include
  /usr/include
 End of search list.
  /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.91.66/cc1plus /tmp/ccibKqii.ii -quiet -dumpbase namescope.cc -Wall -version -o /tmp/ccJ9v2Sl.s
 GNU C++ version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release) (i386-redhat-linux) compiled by GNU C version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release).
  as -V -Qy -o namescope.o /tmp/ccJ9v2Sl.s
 GNU assembler version 2.9.1 (i386-redhat-linux), using BFD version 2.9.1.0.23
 52[linux1:]~/src/test>
 ----------------------------------------------------------------------

>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]