diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2018-11-28 10:59:12 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2018-11-28 10:59:12 +0000 |
| commit | 85d76a5d2aadc6444ad00d4961bfe8ca57fb6087 (patch) | |
| tree | 082401f4827be57a412ec872efdcbdc44c3d22cf | |
| parent | b43559cbcdd1fa3e2f7578dcb7e628bd03a9df68 (diff) | |
2018-11-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/88229
* tree-ssa.c (non_rewritable_mem_ref_base): Check DECL_SIZE_UNIT
is an INTEGER_CST before accessing it so.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266550 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa.c | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2e08f6dd2f4..93b35e87c5c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-11-28 Richard Biener <rguenther@suse.de> + + PR tree-optimization/88229 + * tree-ssa.c (non_rewritable_mem_ref_base): Check DECL_SIZE_UNIT + is an INTEGER_CST before accessing it so. + 2018-11-28 Sam Tebbs <sam.tebbs@arm.com> * doc/invoke.texi (-mtune=): Remove obsolete CPU names. diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index bd8b91f8b4b..e3eb4b05130 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -1446,6 +1446,7 @@ non_rewritable_mem_ref_base (tree ref) return NULL_TREE; /* For integral typed extracts we can use a BIT_FIELD_REF. */ if (DECL_SIZE (decl) + && TREE_CODE (DECL_SIZE_UNIT (decl)) == INTEGER_CST && (known_subrange_p (mem_ref_offset (base), wi::to_poly_offset (TYPE_SIZE_UNIT (TREE_TYPE (base))), |