==4057== Memcheck, a memory error detector
==4057== Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al.
==4057== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info
==4057== Command: ./foo
==4057==
==4057== Invalid read of size 8
==4057==    at 0x4EC68C8: std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) (in /usr/lib/libstdc++.so.6.0.9)
==4057==    by 0x4075E0: CopyConstructString(std::string const&, std::string*) (scriptstdstring.cpp:125)
==4057==    by 0x449A5F: X64_CallFunction(unsigned long const*, int, unsigned long (*)(), unsigned long&, bool) (as_callfunc_x64_gcc.cpp:142)
==4057==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==4057==
==4057==
==4057== Process terminating with default action of signal 11 (SIGSEGV)
==4057==  Access not within mapped region at address 0x0
==4057==    at 0x4EC68C8: std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) (in /usr/lib/libstdc++.so.6.0.9)
==4057==    by 0x4075E0: CopyConstructString(std::string const&, std::string*) (scriptstdstring.cpp:125)
==4057==    by 0x449A5F: X64_CallFunction(unsigned long const*, int, unsigned long (*)(), unsigned long&, bool) (as_callfunc_x64_gcc.cpp:142)
==4057==  If you believe this happened as a result of a stack
==4057==  overflow in your program's main thread (unlikely but
==4057==  possible), you can try to increase the size of the
==4057==  main thread stack using the --main-stacksize= flag.
==4057==  The main thread stack size used in this run was 8388608.
==4057==
==4057== HEAP SUMMARY:
==4057==     in use at exit: 67,922 bytes in 366 blocks
==4057==   total heap usage: 766 allocs, 400 frees, 90,995 bytes allocated
==4057==
==4057== LEAK SUMMARY:
==4057==    definitely lost: 0 bytes in 0 blocks
==4057==    indirectly lost: 0 bytes in 0 blocks
==4057==      possibly lost: 35 bytes in 1 blocks
==4057==    still reachable: 67,887 bytes in 365 blocks
==4057==         suppressed: 0 bytes in 0 blocks
==4057== Rerun with --leak-check=full to see details of leaked memory
==4057==
==4057== For counts of detected and suppressed errors, rerun with: -v
==4057== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 5 from 5)

#include "angelscript.h"
#include "scriptstdstring.h"
#include 
#include 

using namespace std;

void cb(const asSMessageInfo *msg, void *param) {

	const char *type = "ERR ";
	if (msg->type == asMSGTYPE_WARNING)
		type = "WARN ";
	else if (msg->type == asMSGTYPE_INFORMATION)
		type = "INFO ";

	printf("%s (%d, %d) : %s : %s\n", msg->section, msg->row, msg->col, type,
		msg->message);
}

void print(const string &in) {
	printf("%s\n", in.c_str());
}

const char mscript[] = "void main() { print(\"I believe!\"); }";

int main() {

	asIScriptEngine *ng = asCreateScriptEngine(ANGELSCRIPT_VERSION);

	int r;

	r = ng->SetMessageCallback(asFUNCTION(cb), 0, asCALL_CDECL);
	if (r < 0) printf("error %d\n", r);

	RegisterStdString(ng);

	r = ng->RegisterGlobalFunction("void print(const string &in)", asFUNCTION(print),
		asCALL_CDECL);
	if (r < 0) printf("error %d\n", r);

	// build
	asIScriptModule *mod = ng->GetModule("moi", asGM_ALWAYS_CREATE);
	mod->AddScriptSection("joo", mscript);

	r = mod->Build();
	if (r < 0) printf("error %d\n", r);

	// execute
	asIScriptFunction *f = mod->GetFunctionByDecl("void main()");
	if (!f)
		return 1;

	asIScriptContext *ctx = ng->CreateContext();
	ctx->Prepare(f);
	r = ctx->Execute();
	if (r < 0) printf("error %d\n", r);

	ng->Release();

	return 0;
}

static void CopyConstructString(const string &other, string *thisPointer)
{
        new(thisPointer) string(other);
}

Breakpoint 1, CopyConstructString (other=@0x0, thisPointer=0xf64438) at scriptstdstring.cpp:125
125             new(thisPointer) string(other);
(gdb) bt full
#0  CopyConstructString (other=@0x0, thisPointer=0xf64438) at scriptstdstring.cpp:125
No locals.
#1  0x0000000000451874 in endstack ()
No symbol table info available.
#2  0x00007fff313eac00 in ?? ()
No symbol table info available.
#3  0x0000000000f52010 in ?? ()
No symbol table info available.
#4  0x00007fff313eac00 in ?? ()
No symbol table info available.
#5  0x00007fff313eab98 in ?? ()
No symbol table info available.
#6  0x0000000000434a8e in asCString::Assign ()
No symbol table info available.
#7  0x00007f00313eac80 in ?? ()
No symbol table info available.
#8  0x0000000000000001 in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.