1Conditional jump or move depends on uninitialised value(s)
2   at 0x........: test (cds.c:17)
3   by 0x........: op1_undefined (cds.c:50)
4   by 0x........: main (cds.c:77)
5
6Conditional jump or move depends on uninitialised value(s)
7   at 0x........: test (cds.c:17)
8   by 0x........: op2_undefined (cds.c:61)
9   by 0x........: main (cds.c:78)
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