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https://issues.apache.org/jira/browse/STDCXX-349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Sebor reassigned STDCXX-349:
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Assignee: Martin Sebor
> [gcc 4.1.1] warnings compiling iostore.cpp
> ------------------------------------------
>
> Key: STDCXX-349
> URL: https://issues.apache.org/jira/browse/STDCXX-349
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Build
> Affects Versions: 4.1.4, 4.1.3
> Environment: gcc 4.1.1/Solaris 10
> Reporter: Martin Sebor
> Assigned To: Martin Sebor
> Priority: Minor
>
> gcc -c -I/amd/devco/sebor/stdcxx/include/ansi -pthreads
> -I/amd/devco/sebor/stdcxx/include -I/build/sebor/gcc-4.1.1-12d/include
> -pedantic -nostdinc++ -O2 -W -Wall -Wcast-qual -Winline -Wshadow
> -Wwrite-strings -Wno-long-long -fPIC /amd/devco/sebor/stdcxx/src/iostore.cpp
> /amd/devco/sebor/stdcxx/include/rw/_rawiter.h: In function 'void
> std::return_temporary_buffer(_TypeT*) [with _TypeT =
> std::ios_base::_C_usr_data::_C_event_cb]':
> /amd/devco/sebor/stdcxx/src/iostore.cpp:144: instantiated from here
> /amd/devco/sebor/stdcxx/include/rw/_rawiter.h:157: warning: dereferencing
> type-punned pointer will break strict-aliasing rules
> /amd/devco/sebor/stdcxx/include/rw/_rawiter.h: In function
> 'std::pair<_TypeT*, _Distance> std::get_temporary_buffer(_Distance, _TypeT*)
> [with _TypeT = std::ios_base::_C_usr_data::_C_event_cb, _Distance = int]':
> /amd/devco/sebor/stdcxx/include/rw/_rawiter.h:146: instantiated from
> 'std::pair<_TypeT*, int> std::get_temporary_buffer(int) [with _TypeT =
> std::ios_base::_C_usr_data::_C_event_cb]'
> /amd/devco/sebor/stdcxx/src/iostore.cpp:113: instantiated from here
> /amd/devco/sebor/stdcxx/include/rw/_rawiter.h:131: warning: dereferencing
> type-punned pointer will break strict-aliasing rules
> /amd/devco/sebor/stdcxx/src/iostore.cpp: In member function 'void
> std::ios_base::_C_copyfmt(const std::ios_base&, void*, const void*, unsigned
> int)':
> /amd/devco/sebor/stdcxx/src/iostore.cpp:182: warning: 'a_size$0' may be used
> uninitialized in this function
> /amd/devco/sebor/stdcxx/src/iostore.cpp:182: warning: 'a_size$1' may be used
> uninitialized in this function
> /amd/devco/sebor/stdcxx/src/iostore.cpp:182: warning: 'a_size$2' may be used
> uninitialized in this function
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