From 3c2827d75ea8fbf7b84bd69e8d10dc239e5daffe Mon Sep 17 00:00:00 2001 From: David Malcolm Date: Mon, 18 Mar 2024 18:44:32 -0400 Subject: [PATCH] analyzer: support null operands in remove_ssa_names gcc/analyzer/ChangeLog: * access-diagram.cc (remove_ssa_names): Support operands being NULL_TREE, such as e.g. for COMPONENT_REF's operand 2. Signed-off-by: David Malcolm --- gcc/analyzer/access-diagram.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/analyzer/access-diagram.cc b/gcc/analyzer/access-diagram.cc index 2836308c0199..a9c5c8999503 100644 --- a/gcc/analyzer/access-diagram.cc +++ b/gcc/analyzer/access-diagram.cc @@ -311,7 +311,8 @@ remove_ssa_names (tree expr) return SSA_NAME_VAR (expr); tree t = copy_node (expr); for (int i = 0; i < TREE_OPERAND_LENGTH (expr); i++) - TREE_OPERAND (t, i) = remove_ssa_names (TREE_OPERAND (expr, i)); + if (TREE_OPERAND (expr, i)) + TREE_OPERAND (t, i) = remove_ssa_names (TREE_OPERAND (expr, i)); return t; } -- 2.47.2