From 707db096bc8f28e546af88dc4772db4fb688cb04 Mon Sep 17 00:00:00 2001 From: Mark Mitchell Date: Fri, 24 Jun 2005 13:52:35 +0000 Subject: [PATCH] re PR tree-optimization/22171 (gcc-4.0-20050623 internal compiler error in linux/drivers/serial/8250.c) PR 22171 * tree-ssa-operands (get_expr_operands): Check s_ann for NULL before use. From-SVN: r101293 --- gcc/tree-ssa-operands.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index 2e263cf..ecd32a6 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -1347,7 +1347,7 @@ get_expr_operands (tree stmt, tree *expr_p, int flags) if (code == COMPONENT_REF) { - if (TREE_THIS_VOLATILE (TREE_OPERAND (expr, 1))) + if (s_ann && TREE_THIS_VOLATILE (TREE_OPERAND (expr, 1))) s_ann->has_volatile_ops = true; get_expr_operands (stmt, &TREE_OPERAND (expr, 2), opf_none); } -- 2.7.4