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| author | marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-08-11 10:01:13 +0000 |
|---|---|---|
| committer | marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-08-11 10:01:13 +0000 |
| commit | f5f4a06fc5d3801eebe23f4615c5ac4926d381bf (patch) | |
| tree | 811303a849108a7aac4ab132aa9d5b1becc7e2df | |
| parent | 07b8a4124a8bc7ffadb491bade270db8497a9783 (diff) | |
| download | gcc-f5f4a06fc5d3801eebe23f4615c5ac4926d381bf.tar.gz | |
Do not instrument void variables with MPX (PR tree-opt/79987).
2017-08-11 Martin Liska <mliska@suse.cz>
PR tree-opt/79987
* tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
variables of void type.
2017-08-11 Martin Liska <mliska@suse.cz>
PR tree-opt/79987
* gcc.target/i386/mpx/pr79987.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@251049 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/mpx/pr79987.c | 5 | ||||
| -rw-r--r-- | gcc/tree-chkp.c | 3 |
4 files changed, 19 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a926516ed77..9be7f17931c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2017-08-11 Martin Liska <mliska@suse.cz> + PR tree-opt/79987 + * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument + variables of void type. + +2017-08-11 Martin Liska <mliska@suse.cz> + * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with TARGET_SUPPORTS_ALIASES. * cgraph.c (cgraph_node::create_same_body_alias): Likewise. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 76c07405a0d..80ee13eaaa0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2017-08-11 Martin Liska <mliska@suse.cz> + PR tree-opt/79987 + * gcc.target/i386/mpx/pr79987.c: New test. + +2017-08-11 Martin Liska <mliska@suse.cz> + PR ipa/81213 * gcc.target/i386/pr81213.c: New test. diff --git a/gcc/testsuite/gcc.target/i386/mpx/pr79987.c b/gcc/testsuite/gcc.target/i386/mpx/pr79987.c new file mode 100644 index 00000000000..b3ebda95694 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/mpx/pr79987.c @@ -0,0 +1,5 @@ +/* { dg-do compile } */ +/* { dg-options "-fcheck-pointer-bounds -mmpx" } */ + +extern void foo; +void *bar = &foo; /* { dg-warning "taking address of expression of type .void." } */ diff --git a/gcc/tree-chkp.c b/gcc/tree-chkp.c index 12af458fb90..951aec10b3a 100644 --- a/gcc/tree-chkp.c +++ b/gcc/tree-chkp.c @@ -3197,6 +3197,9 @@ chkp_get_bounds_for_decl_addr (tree decl) && !flag_chkp_incomplete_type) return chkp_get_zero_bounds (); + if (VOID_TYPE_P (TREE_TYPE (decl))) + return chkp_get_zero_bounds (); + if (flag_chkp_use_static_bounds && VAR_P (decl) && (TREE_STATIC (decl) |