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Description of problem:
C++ (libstdc++ linked) application on system with libstdc++ (=gcc) debuginfo installed calling exec() will stop on error.
This is an Archer branch [next-over-throw] regression.
It has been bugreported by Martin Stransky while debugging Firefox.

Version-Release number of selected component (if applicable):
gdb-7.1-21.el6

How reproducible:
Always.

Steps to Reproduce:
#include <unistd.h>
int
main ()
{
  execl ("/bin/true", "true", NULL);
  return 0;
}
debuginfo-install gcc
g++ -o exec exec.c
gdb -q -ex r ./exec

Actual results:
Cannot access memory at address 0x7ffff764ab60

Expected results:
Program exited normally.

Additional info:
http://cvs.fedoraproject.org/viewvc/rpms/gdb/F-12/gdb-archer-next-over-throw-cxx-exec.patch?content-type=text%2Fplain&view=co

devel_ack:
Safe fix.

qa_ack:
New testcase: gdb.cp/cxxexec.exp

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release.  Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release.  This request is not yet committed for
inclusion.

# runtest --tool=gdb gdb.cp/cxxexec.exp
(...)
                === gdb Summary ===

# of expected passes            3

Red Hat Enterprise Linux 6.0 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.