0.20.0: build fails

[kloczek]

gcc 10.0..1

Making all in p11test
make[4]: Entering directory '/home/tkloczko/rpmbuild/BUILD/opensc-0.20.0/src/tests/p11test'
/bin/sh ../../../libtool  --tag=CC   --mode=link gcc -DNDEBUG  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none -Wall -Wextra -Wno-unused-parameter -Werror  -Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -flto=auto -flto-partition=none -fuse-linker-plugin -o p11test p11test-p11test.o p11test-p11test_loader.o p11test-p11test_case_common.o p11test-p11test_case_readonly.o p11test-p11test_case_multipart.o p11test-p11test_case_mechs.o p11test-p11test_case_ec_sign.o p11test-p11test_case_ec_derive.o p11test-p11test_case_usage.o p11test-p11test_case_wait.o p11test-p11test_case_pss_oaep.o p11test-p11test_helpers.o  -lcrypto  -lcmocka  -ldl
libtool: link: gcc -DNDEBUG -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none -Wall -Wextra -Wno-unused-parameter -Werror -Wl,-z -Wl,relro -Wl,--as-needed -Wl,-z -Wl,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -flto=auto -flto-partition=none -fuse-linker-plugin -o p11test p11test-p11test.o p11test-p11test_loader.o p11test-p11test_case_common.o p11test-p11test_case_readonly.o p11test-p11test_case_multipart.o p11test-p11test_case_mechs.o p11test-p11test_case_ec_sign.o p11test-p11test_case_ec_derive.o p11test-p11test_case_usage.o p11test-p11test_case_wait.o p11test-p11test_case_pss_oaep.o p11test-p11test_helpers.o  -lcrypto -lcmocka -ldl
p11test_case_pss_oaep.c: In function 'pss_oaep_test':
p11test_case_pss_oaep.c:424:2: error: 'enc_message' may be used uninitialized in this function [-Werror=maybe-uninitialized]
  424 |  free(enc_message);
      |  ^
lto1: all warnings being treated as errors
lto-wrapper: fatal error: gcc returned 1 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:503: p11test] Error 1