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-rw-r--r--gcc/tree-dfa.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c
index 0482b05..c6c3bd6 100644
--- a/gcc/tree-dfa.c
+++ b/gcc/tree-dfa.c
@@ -394,6 +394,11 @@ get_ref_base_and_extent (tree exp, poly_int64_pod *poffset,
size_tree = DECL_SIZE (TREE_OPERAND (exp, 1));
else if (TREE_CODE (exp) == BIT_FIELD_REF)
size_tree = TREE_OPERAND (exp, 1);
+ else if (TREE_CODE (exp) == WITH_SIZE_EXPR)
+ {
+ size_tree = TREE_OPERAND (exp, 1);
+ exp = TREE_OPERAND (exp, 0);
+ }
else if (!VOID_TYPE_P (TREE_TYPE (exp)))
{
machine_mode mode = TYPE_MODE (TREE_TYPE (exp));