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Diffstat (limited to 'gcc/tree-ssa-forwprop.c')
-rw-r--r-- | gcc/tree-ssa-forwprop.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index a04e7ca..5626b10 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -802,6 +802,9 @@ forward_propagate_addr_expr_1 (tree name, tree def_rhs, array_ref = TREE_OPERAND (def_rhs, 0); if (TREE_CODE (array_ref) != ARRAY_REF || TREE_CODE (TREE_TYPE (TREE_OPERAND (array_ref, 0))) != ARRAY_TYPE + /* Avoid accessing hidden multidimensional arrays in this way or VRP + might give out bogus warnings (see PR 37861) */ + || TREE_CODE (TREE_OPERAND (array_ref, 0)) == INDIRECT_REF || !integer_zerop (TREE_OPERAND (array_ref, 1))) return false; |