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https://issues.apache.org/jira/browse/STDCXX-832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Sebor resolved STDCXX-832.
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Resolution: Fixed
Warning silenced in [r645736|http://svn.apache.org/viewvc?rev=645736&view=rev].
Will close after integrating into 4.2.x in the next big merge.
> [HP aCC 6.16] warning #4232 in <string>: conversion from "wchar_t *" to a
> more strictly aligned type
> ----------------------------------------------------------------------------------------------------
>
> Key: STDCXX-832
> URL: https://issues.apache.org/jira/browse/STDCXX-832
> Project: C++ Standard Library
> Issue Type: Bug
> Components: 21. Strings
> Affects Versions: 4.2.0
> Environment: aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]
> Reporter: Martin Sebor
> Assignee: Martin Sebor
> Priority: Minor
> Fix For: 4.2.1
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Nightly builds with HP aCC 6.16 produce many warnings like the following:
> {noformat}
> aCC -c -mt -I$(TOPDIR)/include -I$(BUILDDIR)/include -AA +O2 +DD64 +w \
> +W392,655,684,818,819,849 \
> +W2193,2236,2261,2340,2401,2487 \
> +W4227,4229,4231,4235,4237,4249 \
> +W4255,4272,4284,4285,4286,4296,4297 +W3348 \
> $(TOPDIR)/src/ti_wnum_put.cpp
> "$(TOPDIR)/include/string", line 842: warning #4232-D: conversion from
> "wchar_t *" to a more strictly aligned type "__rw::__string_ref<wchar_t,
> std::char_traits<wchar_t>, std::allocator<wchar_t>> *" may cause misaligned
> access
> return _RWSTD_REINTERPRET_CAST (_C_string_ref_type*, _C_data) - 1;
> ^
> detected during:
> instantiation of "__rw::__string_ref<_Traits::char_type, _Traits,
> _Allocator> *std::basic_string<_CharT, _Traits, _Allocator>::_C_pref() const
> [with _CharT=wchar_t, _Traits=std::char_traits<wchar_t>,
> _Allocator=std::allocator<wchar_t>]" at line 899
> instantiation of "void std::basic_string<_CharT, _Traits,
> _Allocator>::_C_unlink(_Allocator::pointer) [with _CharT=wchar_t,
> _Traits=std::char_traits<wchar_t>, _Allocator=std::allocator<wchar_t>]" at
> line 198
> instantiation of "std::basic_string<_CharT, _Traits,
> _Allocator>::~basic_string() [with _CharT=wchar_t,
> _Traits=std::char_traits<wchar_t>, _Allocator=std::allocator<wchar_t>]" at
> line 99 of "$(TOPDIR)/include/loc/_num_put.cc"
> instantiation of "_OutputIter std::num_put<_CharT,
> _OutputIter>::_C_put(_OutputIter, std::ios_base &, _CharT, int, const void *)
> const [with _CharT=wchar_t, _OutputIter=std::ostreambuf_iterator<wchar_t,
> std::char_traits<wchar_t>>]" at line 183 of "$(TOPDIR)/include/loc/_num_put.h"
> {noformat}
> Here's the count from a recent build:
> {noformat}
> $ gunzip -c hpux-11.31-ia64-acc-6.16-12S-645002-log.gz | grep
> "include/string\", .*: warning #4232" | wc -l
> 87
> {noformat}
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