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-rw-r--r--gcc/tree-vectorizer.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c
index 3aa3e2a..20daa31 100644
--- a/gcc/tree-vectorizer.c
+++ b/gcc/tree-vectorizer.c
@@ -507,7 +507,8 @@ vec_info_shared::check_datarefs ()
return;
gcc_assert (datarefs.length () == datarefs_copy.length ());
for (unsigned i = 0; i < datarefs.length (); ++i)
- if (memcmp (&datarefs_copy[i], datarefs[i], sizeof (data_reference)) != 0)
+ if (memcmp (&datarefs_copy[i], datarefs[i],
+ offsetof (data_reference, alt_indices)) != 0)
gcc_unreachable ();
}