PR tree-optimization/44124
* tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159390
138bc75d-0d04-0410-961f-
82ee72b054a4
+2010-05-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/44124
+ * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
+
2010-05-14 Alan Modra <amodra@gmail.com>
PR target/44075
vn_nary_may_trap (vn_nary_op_t nary)
{
tree type;
- tree rhs2;
+ tree rhs2 = NULL_TREE;
bool honor_nans = false;
bool honor_snans = false;
bool fp_operation = false;
&& TYPE_OVERFLOW_TRAPS (type))
honor_trapv = true;
}
- rhs2 = nary->op[1];
+ if (nary->length >= 2)
+ rhs2 = nary->op[1];
ret = operation_could_trap_helper_p (nary->opcode, fp_operation,
honor_trapv,
honor_nans, honor_snans, rhs2,