From 97a738765d907cf6798721fbdebfc2dd68f475ae Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Fri, 23 Jul 2010 10:15:27 +0000 Subject: [PATCH] re PR lto/45037 (lto1 ICEs when linking cns_solve) 2010-07-23 Richard Guenther PR tree-optimization/45037 * tree-ssa-loop-ivopts.c (copy_ref_info): Handle NULL base. From-SVN: r162451 --- gcc/ChangeLog | 5 +++++ gcc/tree-ssa-loop-ivopts.c | 10 ++++++---- 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f1a7c0e4cdd..7361e343a94 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-07-23 Richard Guenther + + PR tree-optimization/45037 + * tree-ssa-loop-ivopts.c (copy_ref_info): Handle NULL base. + 2010-07-23 Jie Zhang * doc/extend.texi: Remove IP2K from the description of naked diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 5f2c6ae0eb8..c7d534b1f5f 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -5604,11 +5604,13 @@ copy_ref_info (tree new_ref, tree old_ref) && !SSA_NAME_PTR_INFO (new_ptr_base)) { tree base = get_base_address (old_ref); - if ((INDIRECT_REF_P (base) - || TREE_CODE (base) == MEM_REF) - && TREE_CODE (TREE_OPERAND (base, 0)) == SSA_NAME) + if (!base) + ; + else if ((INDIRECT_REF_P (base) + || TREE_CODE (base) == MEM_REF) + && TREE_CODE (TREE_OPERAND (base, 0)) == SSA_NAME) duplicate_ssa_name_ptr_info - (new_ptr_base, SSA_NAME_PTR_INFO (TREE_OPERAND (base, 0))); + (new_ptr_base, SSA_NAME_PTR_INFO (TREE_OPERAND (base, 0))); else if (TREE_CODE (base) == VAR_DECL || TREE_CODE (base) == PARM_DECL || TREE_CODE (base) == RESULT_DECL) -- 2.30.2