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author | Martin Sebor <msebor@redhat.com> | 2019-02-11 17:35:17 +0000 |
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committer | Martin Sebor <msebor@gcc.gnu.org> | 2019-02-11 10:35:17 -0700 |
commit | 28a8cef1e240989c199dfd8538c826c134098f85 (patch) | |
tree | a7b930a4f8e120d187bde8f6ea311c2ed60e6d55 /gcc/builtins.c | |
parent | 3c4860e346b8292ac398d971aff933586b11e3ea (diff) | |
download | gcc-28a8cef1e240989c199dfd8538c826c134098f85.zip gcc-28a8cef1e240989c199dfd8538c826c134098f85.tar.gz gcc-28a8cef1e240989c199dfd8538c826c134098f85.tar.bz2 |
PR c++/87996 - size of array is negative error when SIZE_MAX/2 < sizeof(array) <= SIZE_MAX
gcc/ChangeLog:
PR c++/87996
* builtins.c (max_object_size): Move from here...
* builtins.h (max_object_size): ...and here...
* tree.c (max_object_size): ...to here...
* tree.h (max_object_size): ...and here.
gcc/c-family/ChangeLog:
PR c++/87996
* c-common.c (invalid_array_size_error): New function.
(valid_array_size_p): Call it. Handle size as well as type.
* c-common.h (valid_constant_size_p): New function.
(enum cst_size_error): New type.
gcc/cp/ChangeLog:
PR c++/87996
* decl.c (compute_array_index_type_loc): Preserve signed sizes
for diagnostics. Call valid_array_size_p instead of error.
* init.c (build_new_1): Compute size for diagnostic. Call
invalid_array_size_error
(build_new): Call valid_array_size_p instead of error.
gcc/testsuite/ChangeLog:
PR c++/87996
* c-c++-common/array-5.c: New test.
* c-c++-common/pr68107.c: Adjust text of diagnostics.
* g++.dg/init/new38.C: Same.
* g++.dg/init/new43.C: Same.
* g++.dg/init/new44.C: Same.
* g++.dg/init/new46.C: Same.
* g++.dg/other/large-size-array.C: Same.
* g++.dg/other/new-size-type.C: Same.
* g++.dg/template/array30.C: Same.
* g++.dg/template/array32.C: New test.
* g++.dg/template/dependent-name3.C: Adjust.
* gcc.dg/large-size-array-3.c: Same.
* gcc.dg/large-size-array-5.c: Same.
* gcc.dg/large-size-array.c: Same.
* g++.old-deja/g++.brendan/array1.C: Same.
* g++.old-deja/g++.mike/p6149.C: Same.
From-SVN: r268774
Diffstat (limited to 'gcc/builtins.c')
-rw-r--r-- | gcc/builtins.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 6135bc5..693e893 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -11210,12 +11210,3 @@ target_char_cst_p (tree t, char *p) *p = (char)tree_to_uhwi (t); return true; } - -/* Return the maximum object size. */ - -tree -max_object_size (void) -{ - /* To do: Make this a configurable parameter. */ - return TYPE_MAX_VALUE (ptrdiff_type_node); -} |