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Initial support for undefined behavior sanitizer in ramstage. Enabling
this will add -fsanitize=undefined to the compiler command line and
link with ubsan.c in ramstage. Code with UB triggers a report with
error, file, and line number, then aborts.
Change-Id: Ib139a418db97b533f99fc59bcb1a71fb6dcd01d8
Signed-off-by: Ryan Salsamendi <rsalsamendi@hotmail.com>
Reviewed-on: https://review.coreboot.org/20156
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
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