From 2323aa040bb4b401445d27bfe6f8c75a50ecf76d Mon Sep 17 00:00:00 2001
From: Martin Liska <mliska@suse.cz>
Date: Mon, 4 Nov 2019 10:11:26 +0100
Subject: [PATCH] Fix hash_operand for fields of a CONSTRUCTOR.
2019-11-04 Martin Liska <mliska@suse.cz>
PR ipa/92304
* fold-const.c (operand_compare::hash_operand): Fix field
hashing of CONSTRUCTOR.
From-SVN: r277768
---
gcc/ChangeLog | 6 ++++++
gcc/fold-const.c | 3 +++
2 files changed, 9 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cdb5791b501d..418c3799f52b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-11-04 Martin Liska <mliska@suse.cz>
+
+ PR ipa/92304
+ * fold-const.c (operand_compare::hash_operand): Fix field
+ hashing of CONSTRUCTOR.
+
2019-11-04 Martin Liska <mliska@suse.cz>
* ggc.h (ggc_delete): New function.
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index fce503692fd8..1e25859a707b 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -3659,6 +3659,9 @@ operand_compare::hash_operand (const_tree t, inchash::hash &hstate,
flags &= ~OEP_ADDRESS_OF;
FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (t), idx, field, value)
{
+ /* In GIMPLE the indexes can be either NULL or matching i. */
+ if (field == NULL_TREE)
+ field = bitsize_int (idx);
hash_operand (field, hstate, flags);
hash_operand (value, hstate, flags);
}
--
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