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| author | H.J. Lu <hongjiu.lu@intel.com> | 2019-01-18 13:05:18 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2019-01-18 05:05:18 -0800 |
| commit | 420183d996f320dddb3d1094ae340c53719e0de3 (patch) | |
| tree | 3606267c6b36098a85b4a09a3a0d4db540ce8c7b /gcc/c | |
| parent | cab81ec045acaaf6f4a562e212c6b8b95d98a3ea (diff) | |
| download | gcc-420183d996f320dddb3d1094ae340c53719e0de3.zip gcc-420183d996f320dddb3d1094ae340c53719e0de3.tar.gz gcc-420183d996f320dddb3d1094ae340c53719e0de3.tar.bz2 | |
c-family: Update unaligned adress of packed member check
Check unaligned pointer conversion and strip NOPS.
gcc/c-family/
PR c/51628
PR c/88664
* c-common.h (warn_for_address_or_pointer_of_packed_member):
Remove the boolean argument.
* c-warn.c (check_address_of_packed_member): Renamed to ...
(check_address_or_pointer_of_packed_member): This. Also
warn pointer conversion.
(check_and_warn_address_of_packed_member): Renamed to ...
(check_and_warn_address_or_pointer_of_packed_member): This.
Also warn pointer conversion.
(warn_for_address_or_pointer_of_packed_member): Remove the
boolean argument. Don't check pointer conversion here.
gcc/c
PR c/51628
PR c/88664
* c-typeck.c (convert_for_assignment): Upate the
warn_for_address_or_pointer_of_packed_member call.
gcc/cp
PR c/51628
PR c/88664
* call.c (convert_for_arg_passing): Upate the
warn_for_address_or_pointer_of_packed_member call.
* typeck.c (convert_for_assignment): Likewise.
gcc/testsuite/
PR c/51628
PR c/88664
* c-c++-common/pr51628-33.c: New test.
* c-c++-common/pr51628-35.c: New test.
* c-c++-common/pr88664-1.c: Likewise.
* c-c++-common/pr88664-2.c: Likewise.
* gcc.dg/pr51628-34.c: Likewise.
From-SVN: r268075
Diffstat (limited to 'gcc/c')
| -rw-r--r-- | gcc/c/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/c/c-typeck.c | 6 |
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog index 2accb8f..fe83d69 100644 --- a/gcc/c/ChangeLog +++ b/gcc/c/ChangeLog @@ -1,3 +1,10 @@ +2019-01-18 H.J. Lu <hongjiu.lu@intel.com> + + PR c/51628 + PR c/88664 + * c-typeck.c (convert_for_assignment): Upate the + warn_for_address_or_pointer_of_packed_member call. + 2019-01-16 Tom Honermann <tom@honermann.net> Jason Merrill <jason@redhat.com> diff --git a/gcc/c/c-typeck.c b/gcc/c/c-typeck.c index 6da1f32..cbd612c 100644 --- a/gcc/c/c-typeck.c +++ b/gcc/c/c-typeck.c @@ -6729,8 +6729,7 @@ convert_for_assignment (location_t location, location_t expr_loc, tree type, if (TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (rhstype)) { - warn_for_address_or_pointer_of_packed_member (false, type, - orig_rhs); + warn_for_address_or_pointer_of_packed_member (type, orig_rhs); return rhs; } @@ -7289,8 +7288,7 @@ convert_for_assignment (location_t location, location_t expr_loc, tree type, /* If RHS isn't an address, check pointer or array of packed struct or union. */ - warn_for_address_or_pointer_of_packed_member - (TREE_CODE (orig_rhs) != ADDR_EXPR, type, orig_rhs); + warn_for_address_or_pointer_of_packed_member (type, orig_rhs); return convert (type, rhs); } |