gcc/
PR tree-optimization/25125
* convert.c (convert_to_integer): Don't narrow the type of a
PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
is signed.
gcc/testsuite/
PR tree-optimization/25125
* gcc.dg/vect/vect-7.c, gcc.dg/vect/vect-reduc-2char.c,
gcc.dg/vect/vect-reduc-2short.c: XFAIL.
* gcc.c-torture/execute/pr25125.c: New.
From-SVN: r109065
