https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64383
Bug ID: 64383
Summary: missed warning for unused variable.
Product: gcc
Version: 4.9.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: pluto at agmk dot net
#include <memory>
#include <vector>
int main()
{
std::vector< std::shared_ptr< int > > v1;
v1.push_back( std::make_shared< int >( 7 ) );
for( auto p : v1 )
{
}
std::vector< int > v2;
v2.push_back( 7 );
for( auto i : v2 )
{
}
}
the 'p' variable is not reported as unused.
% LANG=C g++ -Wall -g2 t.cpp -o t -std=c++1y
t.cpp: In function 'int main()':
t.cpp:13:15: warning: unused variable 'i' [-Wunused-variable]
for( auto i : v2 )
^
