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0_0_25086040_12484.cpp:4:1: error: expected unqualified-id before numeric constant
 2
 ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/new:40:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ext/new_allocator.h:33,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/c++allocator.h:33,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/allocator.h:46,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/deque:61,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_25086040_12484.cpp:11:
GCC4.9.2/x86_64-w64-mingw32/include/c++/exception:35:37: error: expected declaration before end of line
 #pragma GCC visibility push(default)
                                     ^