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View Compilation Error

0_0_25728228_7483.cpp:1:26: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
 #pragma GCC optimize("Of")
                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/crtdefs.h:10:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:9,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/cwchar:44,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/postypes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iosfwd:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_25728228_7483.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/_mingw.h:656:31: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
 void __cdecl __debugbreak(void);
                               ^
GCC4.9.2/x86_64-w64-mingw32/include/_mingw.h:656:31: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/_mingw.h:657:53: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
 __MINGW_INTRIN_INLINE void __cdecl __debugbreak(void)
                                                     ^
GCC4.9.2/x86_64-w64-mingw32/include/_mingw.h:665:39: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
 const char *__mingw_get_crt_info (void);
                                       ^
GCC4.9.2/x86_64-w64-mingw32/include/_mingw.h:665:39: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cwchar:44:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/postypes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iosfwd:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_25728228_7483.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:48:40: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP FILE *__cdecl __iob_func(void);
                                        ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:48:40: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:222:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswalpha(wint_t _C);
                                 ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:222:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:223:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswalpha_l(wint_t _C,_locale_t _Locale);
                                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:223:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:224:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswupper(wint_t _C);
                                 ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:224:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:225:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswupper_l(wint_t _C,_locale_t _Locale);
                                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:225:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:226:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswlower(wint_t _C);
                                 ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:226:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:227:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswlower_l(wint_t _C,_locale_t _Locale);
                                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:227:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:228:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswdigit(wint_t _C);
                                 ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:228:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:229:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswdigit_l(wint_t _C,_locale_t _Locale);
                                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:229:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:230:34: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswxdigit(wint_t _C);
                                  ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:230:34: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:231:63: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswxdigit_l(wint_t _C,_locale_t _Locale);
                                                               ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:231:63: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:232:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswspace(wint_t _C);
                                 ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:232:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:233:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswspace_l(wint_t _C,_locale_t _Locale);
                                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:233:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:234:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswpunct(wint_t _C);
                                 ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:234:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:235:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswpunct_l(wint_t _C,_locale_t _Locale);
                                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:235:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:236:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswalnum(wint_t _C);
                                 ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:236:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:237:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswalnum_l(wint_t _C,_locale_t _Locale);
                                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:237:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:238:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   int __cdecl iswprint(wint_t _C);
                                 ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:238:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:239:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
   _CRTIMP int __cdecl _iswprint_l(wint_t _C,_locale_t _Locale);
                                                              ^
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:239:62: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
GCC4.9.2/x86_64-w64-mingw32/include/wchar.h:240:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast'
 


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