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Build expr with -fwrapv, since it relies on signed integer wrapping

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having defined behavior.

Reported by:	rodrigc
MFC after:	3 days
This commit is contained in:
dim 2015-03-22 22:40:32 +00:00
parent 7bc5de3287
commit 1aff4e708b
1 changed files with 3 additions and 0 deletions
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3
bin/expr/Makefile
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@ -6,6 +6,9 @@ PROG= expr
SRCS= expr.y
YFLAGS=
# expr relies on signed integer wrapping
CFLAGS+= -fwrapv
NO_WMISSING_VARIABLE_DECLARATIONS=
.if ${MK_TESTS} != "no"