libtool: compile: /usr/local/bin/scan-build/ccc-analyzer -DHAVE_CONFIG_H -I.
-I.. -I/usr/local/include -g3 -O1 -fvisibility=hidden -Wall -MT
libgcrypt_la-hmac256.lo -MD -MP -MF .deps/libgcrypt_la-hmac256.Tpo -c hmac256.c
-o libgcrypt_la-hmac256.o
hmac256.c:499:7: warning: Use of memory after it is freed
_gcry_hmac256_release (hd); ^~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.