[coreboot-gerrit] Change in coreboot[master]: [Test] test some gcc's Warning-Options

[HAOUAS Elyes (Code Review)]

HAOUAS Elyes has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39399 )

Change subject: [Test] test some gcc's Warning-Options
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Patch Set 1:
> Patch Set 1:
>
> Maybe we want to enable these one at a time in independent patches and start working on them?

maybe '-Wconversion' flag?
the others seems to be ok