Having extended check_and_warn_address_or_pointer_of_packed_member to find the packed (short) enum pointer in the cast expression coming from the C++ front-end, and amended the C++ front end to mark short enums as TYPE_PACKED, C++ issues the same warning that C does for c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early.c, so drop the exclusion.
Regstrapped on x86_64-linux-gnu, also tested on arm-eabi with default cpu on trunk, and with tms570 on gcc-13. Ok to install? for gcc/testsuite/ChangeLog * c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early-O2.c: Expect warning in C++ as well. * c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early.c: Likewise. --- ...-deref-pr108251-smp_fetch_ssl_fc_has_early-O2.c | 2 +- ...ull-deref-pr108251-smp_fetch_ssl_fc_has_early.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/testsuite/c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early-O2.c b/gcc/testsuite/c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early-O2.c index aaa2031b6dca4..bf5bf5cc2e278 100644 --- a/gcc/testsuite/c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early-O2.c +++ b/gcc/testsuite/c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early-O2.c @@ -61,7 +61,7 @@ static inline enum obj_type obj_type(const enum obj_type *t) } static inline struct connection *__objt_conn(enum obj_type *t) { - return ((struct connection *)(((char *)(t)) - ((long)&((struct connection *)0)->obj_type))); /* { dg-warning "unaligned pointer value" "warning" { target { short_enums && { ! c++ } } } } */ + return ((struct connection *)(((char *)(t)) - ((long)&((struct connection *)0)->obj_type))); /* { dg-warning "unaligned pointer value" "warning" { target short_enums } } */ } static inline struct connection *objt_conn(enum obj_type *t) { diff --git a/gcc/testsuite/c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early.c b/gcc/testsuite/c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early.c index 6c96f5a76ef1c..7c2710c64d35e 100644 --- a/gcc/testsuite/c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early.c +++ b/gcc/testsuite/c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early.c @@ -60,7 +60,7 @@ static inline enum obj_type obj_type(const enum obj_type *t) } static inline struct connection *__objt_conn(enum obj_type *t) { - return ((struct connection *)(((char *)(t)) - ((long)&((struct connection *)0)->obj_type))); /* { dg-warning "unaligned pointer value" "warning" { target { short_enums && { ! c++ } } } } */ + return ((struct connection *)(((char *)(t)) - ((long)&((struct connection *)0)->obj_type))); /* { dg-warning "unaligned pointer value" "warning" { target short_enums } } */ } static inline struct connection *objt_conn(enum obj_type *t) { -- Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/ Free Software Activist GNU Toolchain Engineer More tolerance and less prejudice are key for inclusion and diversity Excluding neuro-others for not behaving ""normal"" is *not* inclusive