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| -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 2e08f6d..93b35e8 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 bd8b91f..e3eb4b0 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))), |