+2013-11-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/58978
+ * tree-vrp.c (all_imm_uses_in_stmt_or_feed_cond): Don't modify
+ use_stmt by single_imm_use directly. Only call single_imm_use
+ on SSA_NAMEs.
+
2013-11-04 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/58968
+2013-11-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/58978
+ * gcc.c-torture/compile/pr58978.c: New test.
+
2013-11-04 Paul Thomas <pault@gcc.gnu.org>
PR fortran/57445
FOR_EACH_IMM_USE_FAST (use_p, iter, var)
if (USE_STMT (use_p) != stmt)
{
- gimple use_stmt = USE_STMT (use_p);
+ gimple use_stmt = USE_STMT (use_p), use_stmt2;
if (is_gimple_debug (use_stmt))
continue;
while (is_gimple_assign (use_stmt)
+ && TREE_CODE (gimple_assign_lhs (use_stmt)) == SSA_NAME
&& single_imm_use (gimple_assign_lhs (use_stmt),
- &use2_p, &use_stmt))
- ;
+ &use2_p, &use_stmt2))
+ use_stmt = use_stmt2;
if (gimple_code (use_stmt) != GIMPLE_COND
|| gimple_bb (use_stmt) != cond_bb)
return false;