rs6000.c
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re PR target/88234 (UBsan and runtime error: signed integer overflow using unsigned vector) · b076fecbPR target/88234 * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): For vec_add and vec_sub builtins, perform PLUS_EXPR or MINUS_EXPR in unsigned_type_for instead of vector integral type where overflow doesn't wrap. * gcc.dg/ubsan/pr88234.c: New test. From-SVN: r266619
Jakub Jelinek committed