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From: Peter Schmid <schmid@snake.iap.physik.tu-darmstadt.de> To: gcc-gnats@gcc.gnu.org Subject: c++/7858: g++ rejects legal code (regression from gcc 3.*) Date: Sun, 08 Sep 2002 11:46:00 -0000 [thread overview] Message-ID: <200209081839.UAA10207@snake.iap.physik.tu-darmstadt.de> (raw) >Number: 7858 >Category: c++ >Synopsis: g++ rejects legal code (regression from gcc 3.*) >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: rejects-legal >Submitter-Id: net >Arrival-Date: Sun Sep 08 11:46:00 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Peter Schmid >Release: 3.3 20020905 (experimental) >Organization: TU Darmstadt >Environment: System: Linux kiste 2.4.18 #8 Sat Mar 9 15:33:15 CET 2002 i686 unknown Architecture: i686 GNU ld version 2.13.90.0.4 20020814 host: i686-pc-linux-gnu build: i686-pc-linux-gnu target: i686-pc-linux-gnu configured with: ../gcc/configure --enable-shared --disable-nls --enable-threads=posix --enable-languages=c,c++,f77,objc --enable-__cxa_atexit >Description: The g++ compiler built from current mainline cvs sources rejects the following code tc1.C breaking boost and STLport. Previous g++ compilers, including gcc 3.3 bootstrapped one week ago, compile this code normally. >How-To-Repeat: source code tc1.C namespace std { template <class _Arg, class _Result> struct unary_function { typedef _Arg argument_type; typedef _Result result_type; }; template <class _Arg1, class _Arg2, class _Result> struct binary_function { typedef _Arg1 first_argument_type; typedef _Arg2 second_argument_type; typedef _Result result_type; }; template <class _Tp> struct plus : public binary_function<_Tp,_Tp,_Tp> { _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x + __y; } }; template <class _Operation> class binder1st : public unary_function<typename _Operation::second_argument_type, typename _Operation::result_type> { protected: _Operation op; typename _Operation::first_argument_type value; public: binder1st(const _Operation& __x, const typename _Operation::first_argument_type& __y) : op(__x), value(__y) {} typename _Operation::result_type operator()(const typename _Operation::second_argument_type& __x) const { return op(value, __x); } typename _Operation::result_type operator()(typename _Operation::second_argument_type& __x) const { return op(value, __x); } }; template <class _Operation, class _Tp> inline binder1st<_Operation> bind1st(const _Operation& __fn, const _Tp& __x) { typedef typename _Operation::first_argument_type _Arg1_type; return binder1st<_Operation>(__fn, _Arg1_type(__x)); } } // namespace std template<typename _InputIter, typename _OutputIter, typename _UnaryOperation> _OutputIter transform(_InputIter __first, _InputIter __last, _OutputIter __result, _UnaryOperation __unary_op) { for ( ; __first != __last; ++__first, ++__result) *__result = __unary_op(*__first); return __result; } int main() { char a[10]; char b[10]; transform(a, a+10, b, std::bind1st(std::plus<char>(), 1)); } compiling tc1.C g++ -v tc1.C -W -Wall Reading specs from /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.3/specs Configured with: ../gcc/configure --enable-shared --disable-nls --enable-threads=posix --enable-languages=c,c++,f77,objc --enable-__cxa_atexit Thread model: posix gcc version 3.3 20020905 (experimental) /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.3/cc1plus -quiet -v -D__GNUC__=3 -D__GNUC_MINOR__=3 -D__GNUC_PATCHLEVEL__=0 -D_GNU_SOURCE tc1.C -D__GNUG__=3 -quiet -dumpbase tc1.C -auxbase tc1 -W -Wall -version -o /tmp/cc9l1up9.s GNU C++ version 3.3 20020905 (experimental) (i686-pc-linux-gnu) compiled by GNU C version 3.3 20020905 (experimental). ignoring nonexistent directory "NONE/include" ignoring nonexistent directory "/usr/local/i686-pc-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include/c++/3.3 /usr/local/include/c++/3.3/i686-pc-linux-gnu /usr/local/include/c++/3.3/backward /usr/local/include /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.3/include /usr/include End of search list. tc1.C: In function `std::binder1st<_Operation> std::bind1st(const _Operation&, const _Tp&) [with _Operation = std::plus<char>, _Tp = int]': tc1.C:69: instantiated from here tc1.C:47: error: non-lvalue in unary `&' >Fix: >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2002-09-08 18:46 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-09-08 11:46 Peter Schmid [this message] 2002-09-08 12:06 Andrew Pinski 2002-09-08 16:06 Peter Schmid 2002-09-08 16:26 Andrew Pinski 2002-09-09 12:36 Paolo Carlini 2002-09-09 12:56 Peter Schmid 2002-09-09 13:26 Andrew Pinski 2002-09-13 9:37 nathan 2002-10-08 16:46 Pop Sébastian 2002-10-09 15:34 ljrittle
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