[CRT] Do not call atexit at process initialization

There is no guarantee that the underlying APIs are initialized at this point

CORE-17362

sdk/lib/crt/startup/crtexe.c

@@ -115,6 +115,10 @@ _CRTALLOC(".CRT$XCAA") _PVFV mingw_pcppinit = pre_cpp_init;
 
 extern int _MINGW_INSTALL_DEBUG_MATHERR;
 
+#ifdef __GNUC__
+extern void __do_global_dtors(void);
+#endif
+
 static int __cdecl
 pre_c_init (void)
 {
@@ -211,8 +215,6 @@ int __cdecl mainCRTStartup (void)
   return ret;
 }
 
-void __call_atexit();
-
 static
 __declspec(noinline)
 int __cdecl
@@ -326,7 +328,11 @@ __tmainCRTStartup (void)
 #endif
     mainret = main (argc, argv, envp);
 #endif
-    __call_atexit();
+
+#ifdef __GNUC__
+    __do_global_dtors();
+#endif
+
     if (!managedapp)
       exit (mainret);
 

sdk/lib/crt/startup/gccmain.c

@@ -43,8 +43,6 @@ __do_global_ctors (void)
     {
       __CTOR_LIST__[i] ();
     }
-
-  atexit (__do_global_dtors);
 }
 
 static int initialized = 0;