diff options
| author | Kugan Vivekanandarajah <kuganv@linaro.org> | 2016-10-06 19:58:46 +0000 |
|---|---|---|
| committer | Kugan Vivekanandarajah <kugan@gcc.gnu.org> | 2016-10-06 19:58:46 +0000 |
| commit | 480570898d36d1d8e29d2adb35bc7eb46b876092 (patch) | |
| tree | f8ea7c8686765a34e04bf39db0babc1906c6fd7b /gcc | |
| parent | 65b25c9b437d4e8135f9b8fc66827c87a93cf71b (diff) | |
| download | gcc-480570898d36d1d8e29d2adb35bc7eb46b876092.zip gcc-480570898d36d1d8e29d2adb35bc7eb46b876092.tar.gz gcc-480570898d36d1d8e29d2adb35bc7eb46b876092.tar.bz2 | |
re PR tree-optimization/77862 (ice in add_equivalence)
Fix PR77862
gcc/testsuite/ChangeLog:
2016-10-06 Kugan Vivekanandarajah <kuganv@linaro.org>
PR tree-optimization/77862
* gcc.dg/pr77862.c: New test.
gcc/ChangeLog:
2016-10-06 Kugan Vivekanandarajah <kuganv@linaro.org>
PR tree-optimization/77862
* tree-vrp.c (add_equivalence): Use get_value_range so that
num_vr_values is checked before accessing vr_values.
From-SVN: r240842
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr77862.c | 19 | ||||
| -rw-r--r-- | gcc/tree-vrp.c | 2 |
4 files changed, 31 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b4ce1a7..55bb91b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2016-10-06 Kugan Vivekanandarajah <kuganv@linaro.org> + PR tree-optimization/77862 + * tree-vrp.c (add_equivalence): Use get_value_range so that + num_vr_values is checked before accessing vr_values. + +2016-10-06 Kugan Vivekanandarajah <kuganv@linaro.org> + * tree-vrp.c (evrp_dom_walker::before_dom_children): Handle POINTER_TYPE_P. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index e41e168..24026c8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2016-10-06 Kugan Vivekanandarajah <kuganv@linaro.org> + PR tree-optimization/77862 + * gcc.dg/pr77862.c: New test. + +2016-10-06 Kugan Vivekanandarajah <kuganv@linaro.org> + * gcc.dg/tree-ssa/evrp4.c: New test. 2016-10-06 Jeff Law <law@redhat.com> diff --git a/gcc/testsuite/gcc.dg/pr77862.c b/gcc/testsuite/gcc.dg/pr77862.c new file mode 100644 index 0000000..e9096d2 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr77862.c @@ -0,0 +1,19 @@ + +/* PR tree-optimization/77862 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fPIC -w" } */ + +struct paramed_type +{ +}; +int a; + +int memcmp ( int*, void *, long ); + +void +cur_token (void) +{ + if ( 1 != a || memcmp ( cur_token, "", a ) ) + return; + struct paramed_type b = { }; +} diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 46bbd82..c9ecf3d 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -842,7 +842,7 @@ static void add_equivalence (bitmap *equiv, const_tree var) { unsigned ver = SSA_NAME_VERSION (var); - value_range *vr = vr_value[ver]; + value_range *vr = get_value_range (var); if (*equiv == NULL) *equiv = BITMAP_ALLOC (&vrp_equiv_obstack); |