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| author | Martin Sebor <msebor@redhat.com> | 2021-10-01 11:50:25 -0600 |
|---|---|---|
| committer | Martin Sebor <msebor@redhat.com> | 2021-10-01 11:57:05 -0600 |
| commit | 4dc7ce6fb3917958d1a6036d8acf2953b9c1b868 (patch) | |
| tree | dbf4c85270f34d710113d1bdeb3883cd32d6ff01 /gcc/fortran/array.c | |
| parent | f1710910087fb1f4a7706e9ce838163ffcbc50b4 (diff) | |
| download | gcc-4dc7ce6fb3917958d1a6036d8acf2953b9c1b868.zip gcc-4dc7ce6fb3917958d1a6036d8acf2953b9c1b868.tar.gz gcc-4dc7ce6fb3917958d1a6036d8acf2953b9c1b868.tar.bz2 | |
Enhance -Waddress to detect more suspicious expressions [PR102103].
Resolves:
PR c/102103 - missing warning comparing array address to null
gcc/ChangeLog:
PR c/102103
* doc/invoke.texi (-Waddress): Update.
* gengtype.c (write_types): Avoid -Waddress.
* poly-int.h (POLY_SET_COEFF): Avoid using null.
gcc/c-family/ChangeLog:
PR c/102103
* c-common.c (decl_with_nonnull_addr_p): Handle members.
Check and perform warning suppression.
(c_common_truthvalue_conversion): Enhance warning suppression.
gcc/c/ChangeLog:
PR c/102103
* c-typeck.c (maybe_warn_for_null_address): New function.
(build_binary_op): Call it.
gcc/cp/ChangeLog:
PR c/102103
* typeck.c (warn_for_null_address): Enhance.
(cp_build_binary_op): Call it also for member pointers.
gcc/fortran/ChangeLog:
PR c/102103
* array.c: Remove an unnecessary test.
* trans-array.c: Same.
gcc/testsuite/ChangeLog:
PR c/102103
* g++.dg/cpp0x/constexpr-array-ptr10.C: Suppress a valid warning.
* g++.dg/warn/Wreturn-local-addr-6.C: Correct a cast.
* gcc.dg/Waddress.c: Expect a warning.
* c-c++-common/Waddress-3.c: New test.
* c-c++-common/Waddress-4.c: New test.
* g++.dg/warn/Waddress-5.C: New test.
* g++.dg/warn/Waddress-6.C: New test.
* g++.dg/warn/pr101219.C: Expect a warning.
* gcc.dg/Waddress-3.c: New test.
Diffstat (limited to 'gcc/fortran/array.c')
| -rw-r--r-- | gcc/fortran/array.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/fortran/array.c b/gcc/fortran/array.c index a4d1cb4..6552eaf 100644 --- a/gcc/fortran/array.c +++ b/gcc/fortran/array.c @@ -2581,7 +2581,7 @@ gfc_array_dimen_size (gfc_expr *array, int dimen, mpz_t *result) } } - if (array->shape && array->shape[dimen]) + if (array->shape) { mpz_init_set (*result, array->shape[dimen]); return true; |