1Conditional jump or move depends on uninitialised value(s)
2   at 0x........: fun_d (inlinfo.c:7)
3   by 0x........: fun_c (inlinfo.c:15)
4   by 0x........: fun_b (inlinfo.c:21)
5   by 0x........: fun_a (inlinfo.c:27)
6   by 0x........: main (inlinfo.c:66)
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