View Compilation Error

0_0_22110209_17254.cpp: In function 'void __tcf_1()':
0_0_22110209_17254.cpp:22:12: error: unrecognizable insn:
 vector<int>maps[maxn][maxn];
            ^
(insn 28 27 29 2 (set (reg:DI 105 [ ivtmp.176 ])
        (plus:DI (symbol_ref:DI ("maps") [flags 0x2] <var_decl 000000000939f098 maps>)
            (reg:DI 109))) -1
     (expr_list:REG_EQUAL (const:DI (plus:DI (symbol_ref:DI ("maps") [flags 0x2] <var_decl 000000000939f098 maps>)
                (const_int 2443394376 [0x91a33d48])))
        (nil)))
0_0_22110209_17254.cpp:22:12: internal compiler error: in extract_insn, at recog.c:2202
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