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* c++/6513: sigfaults on trivial code
@ 2002-04-29 21:06 nick.orlov
0 siblings, 0 replies; only message in thread
From: nick.orlov @ 2002-04-29 21:06 UTC (permalink / raw)
To: gcc-gnats
>Number: 6513
>Category: c++
>Synopsis: sigfaults on trivial code
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: wrong-code
>Submitter-Id: net
>Arrival-Date: Mon Apr 29 21:06:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Nick Orlov
>Release: gcc version 3.1 20020429 (prerelease)
>Organization:
>Environment:
i686-linux, binutils 2.12.90.0.1
Configured with: ./configure --enable-languages=c,c++ --prefix=/opt --program-suffix=-3.1 --with-gnu-as --with-gnu-ld --enable-shared --enable-threads=posix --enable-long-long --enable-nls --without-included-gettext i386-linux
>Description:
Program always segfaults on vector constructor.
Doublecheked with 0422 & 0415 snapshots (segfaults also).
Same code compiled with g++-2.95.3 / g++-3.0.4 runs fine.
========================================
#include <vector>
#include <string>
using namespace std;
int main()
{
const char* c_strings[5] = { "1", "2", "3", "4", "5" };
vector<string> strings(c_strings, c_strings + 5);
return 0;
}
========================================
backtrace:
#0 std::string::operator=(char const*) (this=0x8049fc0, __s=0x8048b20 "1")
at /opt/src/build/gcc/i386-linux/libstdc++-v3/include/bits/basic_string.h:154
#1 0x08048abc in __copy<const char**, std::string*> (__first=0xbffffa14,
__last=0xbffffa28, __result=0x8049fc0)
at /usr/local/include/g++-v3/bits/stl_algobase.h:241
#2 0x08048a8b in __copy_aux2<const char**, std::string*> (__first=0xbffffa14,
__last=0xbffffa28, __result=0x8049fc0)
at /usr/local/include/g++-v3/bits/stl_algobase.h:266
#3 0x08048a58 in __copy_ni2<const char**, std::string*> (__first=0xbffffa14,
__last=0xbffffa28, __result=0x8049fc0)
at /usr/local/include/g++-v3/bits/stl_algobase.h:303
#4 0x08048a34 in __copy_ni1<const char**, std::string*> (__first=0xbffffa14,
__last=0xbffffa28, __result=0x8049fc0)
at /usr/local/include/g++-v3/bits/stl_algobase.h:323
#5 0x08048a10 in copy<const char**, std::string*> (__first=0xbffffa14,
__last=0xbffffa28, __result=0x8049fc0)
at /usr/local/include/g++-v3/bits/stl_algobase.h:349
#6 0x080489ed in __uninitialized_copy_aux<const char**, std::string*> (
__first=0xbffffa14, __last=0xbffffa28, __result=0x8049fc0)
at /usr/local/include/g++-v3/bits/stl_uninitialized.h:76
#7 0x0804896c in uninitialized_copy<const char**, std::string*> (
__first=0xbffffa14, __last=0xbffffa28, __result=0x8049fc0)
========================================
P.S. I'm not sure if it is g++ or libstdc++ bug.
>How-To-Repeat:
g++ -o test test.cpp; ./test
>Fix:
I have no idea
>Release-Note:
>Audit-Trail:
>Unformatted:
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