thanx for reply 

Well i've disabled the fault tolerant heap in keys register, but it didn't solve the problem ...

Yes I think it can a lot of things ... I'm gonna try to play with the code to see If I can undestand what bothers gdb. Meanwhile i'll debug with traces, arf ;)

2014-03-13 18:09 GMT+01:00 Eli Zaretskii <>:
> Date: Thu, 13 Mar 2014 16:42:34 +0100
> From: drkmkzs <>
> I used the binary *mingw-get-inst-20120426.exe*, cause i wanted to use the
> gcc 4.6.x for some library compatibility.
> Just for information, the gdb provided with this package is gdb 7.4
> Eveything works fine, from compilation to execution.
> But when I trying to debug with gdb, i get a sigsev :
> #0  0x6fc899fc in libstdc++-6!_ZNSsC1ERKSs () from
> D:\DEV\INSTALL\MinGW\bin\libstdc++-6.dll
> The previous gdb line refers to a line of one of my header, a constructor
> with some initialization
> StringUtils(const std::string& src) : _tmp(const_cast<std::string&>(src)) ,
> _str(_tmp) {} ;
> I have no problem on exec & debug on linux, nor on exec on win7 ... It's
> just the debug of win7 that fails here, I don't know why.
> I know it doesn't necessarily mean that the problem doesn't come from my
> code, but I don't see where, so i'm wondering if there is a known problem
> with gdb on mingw32 ?

GDB didn't crash on me for quite some time.

But there might be other factors at work here:

  . perhaps GCC you are using has a subtle bug
  . perhaps you are using different versions of GCC and/or GDB on
  . perhaps there's some problem in libstdc++-6.dll

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