[gcc 4.1.1] warnings compiling iostore.cpp
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Key: STDCXX-349
URL: https://issues.apache.org/jira/browse/STDCXX-349
Project: C++ Standard Library
Issue Type: Bug
Components: Build
Affects Versions: 4.1.3, 4.1.4
Environment: gcc 4.1.1/Solaris 10
Reporter: 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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