[Bug c/45879] strcpy returns unexpected result

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45879

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |msebor at gcc dot gnu.org

--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
GCC 8.1 diagnoses the bug with -Wrestrict:

pr45879.c: In function ‘main’:
pr45879.c:12:7: warning: ‘strcpy’ accessing 5 bytes at offsets 4 and 5 overlaps
4 bytes at offset 5 [-Wrestrict]
       strcpy(&data[4], &data[5]);
       ^~~~~~~~~~~~~~~~~~~~~~~~~~