https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94579
--- Comment #2 from William Tu <u9012063 at gmail dot com> ---
libtool: compile: gcc -DHAVE_CONFIG_H -I. -I ./include -I ./include -I ./lib
-I ./lib -Wstrict-prototypes -Wall -Wextra -Wno-sign-compare -Wpointer-arith
-Wformat -Wformat-security -Wswitch-enum -Wunused-parameter -Wbad-function-cast
-Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
-Wmissing-field-initializers -fno-strict-aliasing -Wswitch-bool
-Wlogical-not-parentheses -Wsizeof-array-argument -Wbool-compare
-Wshift-negative-value -Wduplicated-cond -Wshadow -Wmultistatement-macros
-Wcast-align=strict -fanalyzer -MT lib/flow.lo -MD -MP -MF lib/.deps/flow.Tpo
-c lib/flow.c -o lib/flow.o
during IPA pass: analyzer
In file included from lib/flow.h:31,
from lib/flow.c:18:
lib/packets.h: In function ‘in6_addr_mapped_ipv4’:
