re PR other/80050 (gcc/genmatch.c: PVS-Studio: V590)

2017-03-17  Richard Biener  <rguenther@suse.de>

	PR middle-end/80050
	* genmatch.c (parser::next): Remove pointless check for CPP_EOF.
	(parser::peek): Likewise.

From-SVN: r246218

gcc/ChangeLog

 2017-03-17  Richard Biener  <rguenther@suse.de>
 
+	PR middle-end/80050
+	* genmatch.c (parser::next): Remove pointless check for CPP_EOF.
+	(parser::peek): Likewise.
+
+2017-03-17  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/80048
 	* sese.c (free_sese_info): Properly release rename_map and
 	copied_bb_map elements.

gcc/genmatch.c

@@ -3826,8 +3826,7 @@ parser::next ()
     {
       token = cpp_get_token (r);
     }
-  while (token->type == CPP_PADDING
-	 && token->type != CPP_EOF);
+  while (token->type == CPP_PADDING);
   return token;
 }
 
@@ -3842,8 +3841,7 @@ parser::peek (unsigned num)
     {
       token = cpp_peek_token (r, i++);
     }
-  while ((token->type == CPP_PADDING
-	  && token->type != CPP_EOF)
+  while (token->type == CPP_PADDING
 	 || (--num > 0));
   /* If we peek at EOF this is a fatal error as it leaves the
      cpp_reader in unusable state.  Assume we really wanted a