http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56753
Bug #: 56753 Summary: vector.size() always returns 0 Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: major Priority: P3 Component: libstdc++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: r...@oaktreepeak.com Test code: /* * File: main.cpp * Author: rbross * * Created on March 27, 2013, 8:16 AM */ #include <cstdlib> #include <vector> #include <iostream> using namespace std; typedef vector<void *> BS_VECTOR; /* * */ int main(int argc, char** argv) { BS_VECTOR vBS; vBS.reserve(100); cout << "Size " << vBS.size() << " Capacity " << vBS.capacity() << endl; vBS[10] = (void *) 0x4d3; vBS[12] = (void *) 0x11d7; cout << "Size " << vBS.size() << " Capacity " << vBS.capacity() << endl; cout << "vBS[10] " << vBS[10] << endl; cout << "vBS[12] " << vBS[12] << endl; return 0; } Output: Size 0 Capacity 100 Size 0 Capacity 100 vBS[10] 0x4d3 vBS[12] 0x11d7 Note that accessing the