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| author | Sebastian Pop <pop@cri.ensmp.fr> | 2005-08-23 10:15:13 +0200 |
|---|---|---|
| committer | Sebastian Pop <spop@gcc.gnu.org> | 2005-08-23 08:15:13 +0000 |
| commit | ce8f9416becbb4a98583e9cbd16a281b70a68938 (patch) | |
| tree | 036e5ee218fbbfada8c97099b95ccbfa5bb690ee /gcc | |
| parent | 73ed17ff80da57d02cdb33b0035d5e718ed39fa2 (diff) | |
| download | gcc-ce8f9416becbb4a98583e9cbd16a281b70a68938.zip gcc-ce8f9416becbb4a98583e9cbd16a281b70a68938.tar.gz gcc-ce8f9416becbb4a98583e9cbd16a281b70a68938.tar.bz2 | |
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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-niter.c | 4 |
2 files changed, 9 insertions, 1 deletions
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 <pop@cri.ensmp.fr> + + 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 <jakub@redhat.com> 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); |