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https://issues.apache.org/jira/browse/STDCXX-976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618716#action_12618716
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Martin Sebor commented on STDCXX-976:
-------------------------------------
It compiles fine with aCC 3.73. Unfortunately, after the patch compiler chokes
on the regression test for STDCXX-390:
[20.specialized.stdcxx-390.cpp|http://svn.apache.org/viewvc/stdcxx/branches/4.2.x/tests/regress/20.specialized.stdcxx-390.cpp?view=markup]
{noformat}
aCC -c -D_RWSTDDEBUG -mt -I/tmp_mnt/amd/devco/sebor/stdcxx-4.2.x/include
-I/build/sebor/stdcxx-4.2.x-aCC-3.73-15D/include
-I/tmp_mnt/amd/devco/sebor/stdcxx-4.2.x/tests/include -AA -g +d +DD64 +w
+W392,655,684,818,819,849
/tmp_mnt/amd/devco/sebor/stdcxx-4.2.x/tests/regress/20.specialized.stdcxx-390.cpp
( 0) 0x002a6480 toolError__12ErrorHandlerF11StringTokenRC8Positione + 0x58
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 1) 0x00354640 fe_error + 0x24c
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 2) 0x0088b614 add_ELF_comdat_entry + 0x13c
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 3) 0x0088b690 collect_ELF_comdats + 0x4c
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 4) 0x0088e258 close_ELF_link + 0xa0
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 5) 0x000b7bc4 end_out + 0x3c
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 6) 0x001047b0 pass3_sllic + 0xf0
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 7) 0x001046b4 ccall_pass3 + 0x20
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 8) 0x00113bd0 process_sllic_graph + 0x1f0
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
( 9) 0x00281c30 finish_program + 0x94
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
(10) 0x00282ff4 cg_stp + 0x178
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
(11) 0x003773e4 be_stp + 0x1c
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
(12) 0x000b73ec ucodeCodeGenTerm__Fv + 0x78
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
(13) 0x000cb7ac main + 0x46c
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
(14) 0xc0143b00 _start + 0xc4 [/usr/lib/libc.2]
(15) 0x000b8120 $START$ + 0x178
[/tmp_mnt/amd/packages/mdx/hpux/compilers/hp/aCC373_11.11/opt/aCC/lbin/ctcom.pa20]
Error (internal problem) 7835: Exact position unknown; near
["/build/sebor/stdcxx-4.2.x-aCC-3.73-15D/include/config.h", line 805]. #
Internal error encountered while generating ELF file. (7835)
gmake: *** [20.specialized.stdcxx-390.o] Error 3
{noformat}
> std::uninitialized_copy() requires InputIterator::operator*() returning lvalue
> ------------------------------------------------------------------------------
>
> Key: STDCXX-976
> URL: https://issues.apache.org/jira/browse/STDCXX-976
> Project: C++ Standard Library
> Issue Type: Bug
> Components: 25. Algorithms
> Affects Versions: 4.2.0, 4.2.1
> Environment: All
> Reporter: Farid Zaripov
> Assignee: Farid Zaripov
> Fix For: 4.2.2
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> The following test fails to compile:
> {code}
> #include <memory>
> #include <iterator>
> struct InputIterator: std::iterator<std::input_iterator_tag, char>
> {
> const char *p_;
> InputIterator (const char *p): p_ (p) { }
> InputIterator (const InputIterator &rhs): p_ (rhs.p_) { }
> InputIterator& operator= (const InputIterator &rhs)
> { p_ = rhs.p_; return *this; }
> char operator* () const { return *p_; }
>
> InputIterator& operator++ () { return ++p_, *this; }
> InputIterator operator++ (int) {
> return ++p_, InputIterator (p_ - 1);
> }
> bool operator== (const InputIterator &rhs) const { return p_ == rhs.p_; }
> bool operator!= (const InputIterator &rhs) const { return p_ != rhs.p_; }
> };
> int main ()
> {
> char src [5] = "abcd";
> char dst [5];
> std::uninitialized_copy (InputIterator (src), InputIterator (src + 5),
> dst);
> return 0;
> }
> {code}
> {noformat}
> D:\_Libs\stdcxx-4.2.2\include\rw\_specialized.h(168) : error C2665:
> '__rw::__rw_construct' : none of the 2 overloads can convert parameter 2 from
> type 'char'
> D:\_Libs\stdcxx-4.2.2\include\rw\_specialized.h(88): could be 'void
> __rw::__rw_construct<char,char>(_TypeT *,_TypeU &)'
> with
> [
> _TypeT=char,
> _TypeU=char
> ]
> D:\_Libs\stdcxx-4.2.2\include\rw\_specialized.h(96): or 'void
> __rw::__rw_construct<char,char>(volatile _TypeT *,_TypeU &)'
> with
> [
> _TypeT=char,
> _TypeU=char
> ]
> while trying to match the argument list '(char *, char)'
> test.cpp(29) : see reference to function template instantiation
> '_ForwardIterator
> std::uninitialized_copy<InputIterator,char*>(_InputIterator,_InputIterator,_ForwardIterator)'
> being compiled
> with
> [
> _ForwardIterator=char *,
> _InputIterator=InputIterator
> ]
> {noformat}
> The fix:
> {noformat}
> Index: include/rw/_specialized.h
> ===================================================================
> --- include/rw/_specialized.h (revision 671890)
> +++ include/rw/_specialized.h (working copy)
> @@ -85,7 +85,7 @@
>
> template <class _TypeT, class _TypeU>
> inline void
> -__rw_construct (_TypeT* __p, _TypeU& __val)
> +__rw_construct (_TypeT* __p, const _TypeU& __val)
> {
> ::new (_RWSTD_STATIC_CAST (void*, __p)) _TypeT (__val);
> }
> @@ -93,7 +93,7 @@
>
> template <class _TypeT, class _TypeU>
> inline void
> -__rw_construct (volatile _TypeT* __p, _TypeU& __val)
> +__rw_construct (volatile _TypeT* __p, const _TypeU& __val)
> {
> // remove volatile before invoking operator new
> __rw_construct (_RWSTD_CONST_CAST (_TypeT*, __p), __val);
> @@ -103,7 +103,7 @@
>
> template <class _TypeT, class _TypeU>
> inline void
> -__rw_construct_impl (_TypeT* __p, _TypeU& __val)
> +__rw_construct_impl (_TypeT* __p, const _TypeU& __val)
> {
> ::new (_RWSTD_STATIC_CAST (void*, __p)) _TypeT (__val);
> }
> @@ -111,7 +111,7 @@
>
> template <class _TypeT, class _TypeU>
> inline void
> -__rw_construct (volatile _TypeT* __p, _TypeU& __val)
> +__rw_construct (volatile _TypeT* __p, const _TypeU& __val)
> {
> // remove volatile before invoking operator new
> __rw_construct_impl (_RWSTD_CONST_CAST (_TypeT*, __p), __val);
> {noformat}
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