crt\src\_file.c:
190 void __cdecl __endstdio(void)
191 {
192         /* flush all streams */
193         _flushall();
194
195         /* if in callable exit, close all streams */
196         if (_exitflag)
197                 _fcloseall();
198         _free_crt(__piob);
199 }

__piob is initialized in the same file:
133         if ( (__piob = (void **)_calloc_crt( _nstream, sizeof(void *) )) ==
134              NULL ) {

Turns out _free_crt is an alias to free
whilst _calloc_crt is NOT an alias of calloc...

crt\src\dbgint.h:
 83 #define _expand_crt                     _expand
 84 #define _free_crt                       free
 85 #define _msize_crt                      _msize
 86 #define _dupenv_s_crt(ps1, size, s2)    _dupenv_s(ps1, size, s2)
 87 #define _wdupenv_s_crt(ps1, size, s2)   _wdupenv_s(ps1, size, s2)
 88 #if defined (_SYSCRT) || defined (MRTDLL) || defined (_M_CEE_PURE)
 89 #define _malloc_crt                     malloc
 90 #define _calloc_crt                     calloc
 91 #define _realloc_crt                    realloc
 92 #define _recalloc_crt                   _recalloc
 93 #else  /* defined (_SYSCRT) || defined (MRTDLL) || defined (_M_CEE_PURE) */
 94 _Check_return_ _Ret_opt_bytecap_(_Size) _CRTIMP void * __cdecl _malloc_crt(...);
 95 _Check_return_ _Ret_opt_bytecap_x_(_Count*_Size) _CRTIMP void * __cdecl _calloc_crt(...);
 96 _Check_return_ _Ret_opt_bytecap_(_NewSize) _CRTIMP void * __cdecl _realloc_crt(...);
 97 _Check_return_ _Ret_opt_bytecap_x_(_Count*_Size) _CRTIMP void * __cdecl _recalloc_crt(...);
 98 #endif  /* defined (_SYSCRT) || defined (MRTDLL) || defined (_M_CEE_PURE) */

See also http://code.google.com/p/drmemory/issues/detail?id=606

... _calloc_crt in turn calls HeapAlloc.

Defining _SYSCRT doesn't help (probably the CRT is pre-built as LIBCMT.lib)

Possible solutions:
1) Use /MTd until we have good reasons not to
2) Intercept _*alloc_crt too (not clear how -> "already defined")
   Intercepting _calloc_impl gives an infinite loop due to ASanWrite/fwrite 

   FTR,
     _calloc_crt is in crt\src\crtheap.c
     _calloc_impl is in crt\src\calloc_impl.c
3) Intercept HeapAlloc -> TODO anyways
4) ...

For now I'm going to use /MTd as it's
a) simple + no need to write code
b) allows me to avoid suppressing wrong-free-arg reports
  =>
c) allows me to add more tests

Turns out we don't need /MTd as it's a synonym to "static linking" on Linux,
so we've switched to /MD since r1206.

Adding Project:AddressSanitizer as part of GitHub migration.