diff options
| author | Martin Liska <mliska@suse.cz> | 2017-03-09 10:22:29 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2017-03-09 09:22:29 +0000 |
| commit | 8dc19053e1f5af5af97ce7b9e8ebd6e657b23277 (patch) | |
| tree | 237ec5a5190c692675856739ba4df20c7a6e6606 /gcc | |
| parent | bba81f1c84837b1a9bfd5daa46d263e87577af89 (diff) | |
| download | gcc-8dc19053e1f5af5af97ce7b9e8ebd6e657b23277.zip gcc-8dc19053e1f5af5af97ce7b9e8ebd6e657b23277.tar.gz gcc-8dc19053e1f5af5af97ce7b9e8ebd6e657b23277.tar.bz2 | |
Get bounds for a PARM_DECL (PR ipa/79761).
2017-03-09 Martin Liska <mliska@suse.cz>
PR ipa/79761
* tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
(chkp_find_bounds_1): Remove gcc_unreachable.
2017-03-09 Martin Liska <mliska@suse.cz>
PR ipa/79761
* g++.dg/pr79761.C: New test.
From-SVN: r245993
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/pr79761.C | 34 | ||||
| -rw-r--r-- | gcc/tree-chkp.c | 4 |
4 files changed, 47 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 80d0aea..b3ab72b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-03-09 Martin Liska <mliska@suse.cz> + + PR ipa/79761 + * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param. + (chkp_find_bounds_1): Remove gcc_unreachable. + 2017-03-09 Jakub Jelinek <jakub@redhat.com> PR sanitizer/79944 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 13218ac..371fdbb 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-03-09 Martin Liska <mliska@suse.cz> + + PR ipa/79761 + * g++.dg/pr79761.C: New test. + 2017-03-09 Jakub Jelinek <jakub@redhat.com> PR sanitizer/79944 diff --git a/gcc/testsuite/g++.dg/pr79761.C b/gcc/testsuite/g++.dg/pr79761.C new file mode 100644 index 0000000..a97325a --- /dev/null +++ b/gcc/testsuite/g++.dg/pr79761.C @@ -0,0 +1,34 @@ +/* { dg-do compile { target { { i?86-*-* x86_64-*-* } && { ! x32 } } } } */ +/* { dg-options "-fcheck-pointer-bounds -mmpx -mabi=ms" } */ + +struct Foo +{ + Foo() : a(1), b(1), c('a') {} + int a; + int b; + char c; +}; + +static Foo copy_foo(Foo) __attribute__((noinline, noclone)); + +static Foo copy_foo(Foo A) +{ + return A; +} + +struct Bar : Foo +{ + Bar(Foo t) : Foo(copy_foo(t)) {} +}; + +Foo F; + +int main (void) +{ + Bar B (F); + + if (B.a != 1 || B.b != 1 || B.c != 'a') + __builtin_abort (); + + return 0; +} diff --git a/gcc/tree-chkp.c b/gcc/tree-chkp.c index b7b412e..66612ba 100644 --- a/gcc/tree-chkp.c +++ b/gcc/tree-chkp.c @@ -3604,8 +3604,8 @@ chkp_find_bounds_1 (tree ptr, tree ptr_src, gimple_stmt_iterator *iter) break; case PARM_DECL: - gcc_unreachable (); - bounds = chkp_get_bound_for_parm (ptr_src); + /* Handled above but failed. */ + bounds = chkp_get_invalid_op_bounds (); break; case TARGET_MEM_REF: |