aboutsummaryrefslogtreecommitdiff
path: root/gcc/tree-ssa-alias.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/tree-ssa-alias.c')
-rw-r--r--gcc/tree-ssa-alias.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index ff1dd77..34d9bb0 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -2223,7 +2223,12 @@ dump_alias_info (FILE *file)
for (i = 1; i < num_ssa_names; i++)
{
tree ptr = ssa_name (i);
- struct ptr_info_def *pi = SSA_NAME_PTR_INFO (ptr);
+ struct ptr_info_def *pi;
+
+ if (ptr == NULL_TREE)
+ continue;
+
+ pi = SSA_NAME_PTR_INFO (ptr);
if (!SSA_NAME_IN_FREE_LIST (ptr)
&& pi
&& pi->name_mem_tag)