Am 16.07.2017 um 21:08 schrieb Ondrej Pokorny: > On 16.07.2017 20:42, Florian Klämpfl wrote: >> "Ungültiger Maschinenbefehl (Speicherabzug geschrieben)" = Invalid >> opcode (memory dump written). >> Why? Because it does not range check before entering the jump table. > > OK, I confess I am not a C guy (I hated it in the university even more > than fortran). But for me:
... > > ondrej@ondrej-linux:~/ctest$ gcc test.c > ondrej@ondrej-linux:~/ctest$ ./a.out > defaultondrej@ondrej-linux:~/ctest$ > > No error if I remove the default statement. Indeed. This proves the exactly point. Undefined behaviour. The code behaves randomly dependent on the compiler used and even the optimizer switches. _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel
