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| author | Richard Guenther <rguenther@suse.de> | 2011-05-19 10:45:26 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-05-19 10:45:26 +0000 |
| commit | e497b9bd88db2302ddc32317bd600c8176c579db (patch) | |
| tree | 5585ebe56b49c389bde1eddb7ee80e0ff227a9cf /gcc/testsuite/gcc.dg/builtin-object-size-11.c | |
| parent | 31b3ca64f48e85c780d9d98730231ff2961c4d32 (diff) | |
| download | gcc-e497b9bd88db2302ddc32317bd600c8176c579db.zip gcc-e497b9bd88db2302ddc32317bd600c8176c579db.tar.gz gcc-e497b9bd88db2302ddc32317bd600c8176c579db.tar.bz2 | |
re PR c/48985 (bogus buffer overflow warning and abort on static flexible array member)
2011-05-19 Richard Guenther <rguenther@suse.de>
PR middle-end/48985
* tree-object-size.c (addr_object_size): If the pointed-to
variable is a decl use DECL_SIZE_UNIT instead of TYPE_SIZE_UNIT.
* gcc.dg/builtin-object-size-11.c: New testcase.
From-SVN: r173901
Diffstat (limited to 'gcc/testsuite/gcc.dg/builtin-object-size-11.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/builtin-object-size-11.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/builtin-object-size-11.c b/gcc/testsuite/gcc.dg/builtin-object-size-11.c new file mode 100644 index 0000000..427b94d --- /dev/null +++ b/gcc/testsuite/gcc.dg/builtin-object-size-11.c @@ -0,0 +1,20 @@ +/* PR48985 */ +/* { dg-do run } */ + +extern void abort (void); + +struct s { + int i; + char c[]; +} s = { 1, "01234" }; + +__SIZE_TYPE__ f (void) { return __builtin_object_size (&s.c, 0); } + +int +main() +{ + if (f() != sizeof ("01234")) + abort (); + + return 0; +} |