[Bug tree-optimization/64946] [AArch64] gcc.target/aarch64/vect-abs-compile.c - "abs" vectorization fails for char/short types

[shiva0217 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64946

Shiva Chen <shiva0217 at gmail dot com> changed:

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--- Comment #12 from Shiva Chen <shiva0217 at gmail dot com> ---
It seems that the patch was dropped according to 
https://gcc.gnu.org/ml/gcc-patches/2016-01/msg00610.html.

Could we use TYPE_OVERFLOW_UNDEFINED to guard the transformation
like other place in gcc did ?

Any thoughts?