From ce8f9416becbb4a98583e9cbd16a281b70a68938 Mon Sep 17 00:00:00 2001 From: Sebastian Pop Date: Tue, 23 Aug 2005 10:15:13 +0200 Subject: re PR tree-optimization/23511 (Segfault in fold_binary) PR tree-optimization/23511 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE. From-SVN: r103391 --- gcc/ChangeLog | 6 ++++++ gcc/tree-ssa-loop-niter.c | 4 +++- 2 files changed, 9 insertions(+), 1 deletion(-) (limited to 'gcc') diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1f3f538..5de0010 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-08-23 Sebastian Pop + + PR tree-optimization/23511 + * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't + handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE. + 2005-08-23 Jakub Jelinek PR tree-optimization/22043 diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index a8e4737..5ecdaeb 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -1460,7 +1460,9 @@ infer_loop_bounds_from_undefined (struct loop *loop) if (init == NULL_TREE || step == NULL_TREE || TREE_CODE (init) != INTEGER_CST - || TREE_CODE (step) != INTEGER_CST) + || TREE_CODE (step) != INTEGER_CST + || TYPE_MIN_VALUE (type) == NULL_TREE + || TYPE_MAX_VALUE (type) == NULL_TREE) break; utype = unsigned_type_for (type); -- cgit v1.1