[nvptx] Don't emit sorry for the stabs debug format

	* config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
	for the stabs debug format.

Co-Authored-By: Alexander Monakov <amonakov@ispras.ru>

From-SVN: r234370

gcc/ChangeLog

+2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
+	    Alexander Monakov  <amonakov@ispras.ru>
+
+	* config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
+	for the stabs debug format.
+
 2016-03-21  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/70310

gcc/config/nvptx/nvptx.c

@@ -160,10 +160,6 @@ nvptx_option_override (void)
   /* Assumes that it will see only hard registers.  */
   flag_var_tracking = 0;
 
-  if (write_symbols == DBX_DEBUG)
-    /* The stabs testcases want to know stabs isn't supported.  */
-    sorry ("stabs debug format not supported");
-
   if (nvptx_optimize < 0)
     nvptx_optimize = optimize > 0;