[STDCXX-1043] [Como como 4.3.10.1] std::cout << std::endl causes SIGSEGV on Linux

• Type: Bug
• Status: Open
• Priority: Critical
• Resolution: Unresolved
• Affects Version/s: 4.2.1
• Component/s: 22. Localization

Environment

Linux Gentoo x86_64, como 4.3.10.1, GCC 4.3.2 backend with -m32 switch.
stdcxx 4.2.1 BUILDTYPE 12s with full locales installed.

• Severity: Incorrect Behavior
• Assignee: Unassigned
• Reporter: Jaroslaw Zola
• Created: 08/Sep/09 15:03
• Updated: 11/Nov/12 13:15

Description

The program below

x.cpp:
#include <iostream>

int main() {
std::cout << std::endl;
return 0;
}

results in SIGSEGV.

como -g3 -gstabs x.cpp -o x
./x
Segmentation fault (core dumped)

gdb ./x core
[...]
Core was generated by `./x'.
Program terminated with signal 11, Segmentation fault.
[New process 6685]
#0 0xf7e46cb3 in strchr () from /lib32/libc.so.6
(gdb) bt
#0 0xf7e46cb3 in strchr () from /lib32/libc.so.6
#1 0x080571bf in std::locale::_C_get_std_facet ()
#2 0x08049a6a in ZN4rw18rw_get_std_facetERKSt6localeNS_10rw_facet13_C_facet_typeEPFPS3_jPKcE (11910_42__loc=0xff8ac138,
_11911_48_type=N4rw10rw_facet8_C_ctypeE, __11912_48_ctor=0x804a7b9 <rw::_rw_ct_ctype(unsigned int, char const*)>)
at /opt/stdcxx-4.2.1-como/include/loc/_locale.h:369
#3 0x0804995f in ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc (this=0x8091ae4, __15295_27__c=10 '\n') at /opt/stdcxx-4.2.1-como/include/rw/_basic_ios.h:225
#4 0x080499fb in ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6 (_16097_39__strm=0x8091ae0) at /opt/stdcxx-4.2.1-como/include/ostream:480
#5 0x08049824 in main () at x.cpp:4

changing LANG, LC_ALL, etc. to C or any other locale seems to have no effect on the program's behavior.