diff options
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index d382eea..61a1ba5 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -1206,8 +1206,21 @@ asan_poison_variables (hash_set<tree> *variables, bool poison, gimple_seq *seq_p sorted_variables.qsort (sort_by_decl_uid); - for (unsigned i = 0; i < sorted_variables.length (); i++) - asan_poison_variable (sorted_variables[i], poison, seq_p); + unsigned i; + tree var; + FOR_EACH_VEC_ELT (sorted_variables, i, var) + { + asan_poison_variable (var, poison, seq_p); + + /* Add use_after_scope_memory attribute for the variable in order + to prevent re-written into SSA. */ + if (!lookup_attribute (ASAN_USE_AFTER_SCOPE_ATTRIBUTE, + DECL_ATTRIBUTES (var))) + DECL_ATTRIBUTES (var) + = tree_cons (get_identifier (ASAN_USE_AFTER_SCOPE_ATTRIBUTE), + integer_one_node, + DECL_ATTRIBUTES (var)); + } } /* Gimplify a BIND_EXPR. Just voidify and recurse. */ |