On Wed, 20 Oct 2021, Richard Biener via Gcc-patches wrote:

> This maps -ftrapv to -fsanitize=signed-integer-overflow
> -fsanitize-undefined-trap-on-error,

Isn't that UBSAN target-dependent, i.e. not supported on all
targets, whereas -ftrapv is just about universally supported?

I.e. isn't this patch breaking -ftrapv for some targets?

brgds, H-P

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