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Fix value uninitialization in vn_reference_insert_pieces [PR102400]

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2021-09-23  Feng Xue  <fxue@os.amperecomputing.com>

gcc/
	PR tree-optimization/102400
	* tree-ssa-sccvn.c (vn_reference_insert_pieces): Initialize
	result_vdef to zero value.
This commit is contained in:
Feng Xue 2021-09-23 09:14:33 +08:00
parent f91b11eb88
commit 29c9285703
1 changed files with 1 additions and 0 deletions
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gcc/tree-ssa-sccvn.c
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@ -3811,6 +3811,7 @@ vn_reference_insert_pieces (tree vuse, alias_set_type set,
if (result && TREE_CODE (result) == SSA_NAME)
result = SSA_VAL (result);
vr1->result = result;
vr1->result_vdef = NULL_TREE;
slot = valid_info->references->find_slot_with_hash (vr1, vr1->hashcode,
INSERT);