diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/c-c++-common/ubsan/pr79897.c | 15 | ||||
| -rw-r--r-- | gcc/ubsan.c | 1 |
4 files changed, 27 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2727acd..eb06b5a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-03-07 Jakub Jelinek <jakub@redhat.com> + + PR sanitizer/79897 + * ubsan.c (ubsan_encode_value): Call mark_addressable on the + temporary. + 2017-03-06 Jakub Jelinek <jakub@redhat.com> PR c++/79821 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2f27e4b..9c8b87e 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-03-07 Jakub Jelinek <jakub@redhat.com> + + PR sanitizer/79897 + * c-c++-common/ubsan/pr79897.c: New test. + 2017-03-06 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/79571 diff --git a/gcc/testsuite/c-c++-common/ubsan/pr79897.c b/gcc/testsuite/c-c++-common/ubsan/pr79897.c new file mode 100644 index 0000000..0dadcff --- /dev/null +++ b/gcc/testsuite/c-c++-common/ubsan/pr79897.c @@ -0,0 +1,15 @@ +/* PR sanitizer/79897 */ +/* { dg-do compile } */ +/* { dg-options "-fsanitize=enum -O2" } */ + +enum E +{ + A = 0, + B = ~0U + 1LL +} x = A; + +int +main () +{ + return x != A; +} diff --git a/gcc/ubsan.c b/gcc/ubsan.c index 11a41e1..17965ef 100644 --- a/gcc/ubsan.c +++ b/gcc/ubsan.c @@ -145,6 +145,7 @@ ubsan_encode_value (tree t, bool in_expand_p) code by making vars unnecessarily addressable. */ tree var = create_tmp_var (type); tree tem = build2 (MODIFY_EXPR, void_type_node, var, t); + mark_addressable (var); if (in_expand_p) { rtx mem |