gensupport.c (maybe_eval_c_test): Remove not-null check for expr.

        * gensupport.c (maybe_eval_c_test): Remove not-null check for expr.
        * read-rtl.c (apply_iterators): Initialize condition with "" instead
        of NULL.

From-SVN: r193988

gcc/ChangeLog

+2012-11-30  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
+
+	* gensupport.c (maybe_eval_c_test): Remove not-null check for expr.
+	* read-rtl.c (apply_iterators): Initialize condition with "" instead
+	of NULL.
+
 2012-11-30  Kai Tietz  <ktietz@redhat.com>
 
 	* config/i386/host-mingw32.c (va_granularity): Make none-const.

gcc/gensupport.c

@@ -2650,7 +2650,7 @@ maybe_eval_c_test (const char *expr)
   const struct c_test *test;
   struct c_test dummy;
 
-  if (!expr || expr[0] == 0)
+  if (expr[0] == 0)
     return 1;
 
   dummy.expr = expr;

gcc/read-rtl.c

@@ -546,7 +546,7 @@ apply_iterators (rtx original, rtx *queue)
     {
       /* Apply the current iterator values.  Accumulate a condition to
 	 say when the resulting rtx can be used.  */
-      condition = NULL;
+      condition = "";
       FOR_EACH_VEC_ELT (iterator_uses, i, iuse)
 	{
 	  if (iuse->iterator->group == &substs)