re PR c/27673 (Gcc failed to bootstrap on Linux)

	PR c/27673
	* c-parser.c (c_parser_parms_declarator): Initialize had_vla_unspec.
	(c_parser_parms_list_declarator): Likewise.

From-SVN: r113904

gcc/ChangeLog

@@ -43,6 +43,7 @@
 	PR c/18740
 	PR c/7948
 	PR c/25802
+	PR c/27673
 	* c-tree.h (struct c_arg_info): Add had_vla_unspec.
 	(c_vla_unspec_p): Add.
 	(c_vla_type_p): Add.
@@ -57,6 +58,8 @@
 	typeof when argument is a variably modified type not inside sizeof or alignof.
 	(c_parser_direct_declarator_inner): Propagate errors.
 	(c_parser_sizeof_expression): Add support for [*].
+	(c_parser_parms_declarator): Initialize had_vla_unspec.
+	(c_parser_parms_list_declarator): Likewise.
 	* c-typeck.c (c_vla_type_p): Add.
 	(composite_type): Add support for vla compositing.
 	(comptypes_internal): Add support for vla compatibility.

gcc/c-parser.c

@@ -2522,6 +2522,7 @@ c_parser_parms_declarator (c_parser *parser, bool id_list_ok, tree attrs)
 	  ret->tags = 0;
 	  ret->types = list;
 	  ret->others = 0;
+	  ret->had_vla_unspec = 0;
 	  c_parser_consume_token (parser);
 	  pop_scope ();
 	  return ret;
@@ -2563,6 +2564,7 @@ c_parser_parms_list_declarator (c_parser *parser, tree attrs)
       ret->tags = 0;
       ret->types = 0;
       ret->others = 0;
+      ret->had_vla_unspec = 0;
       c_parser_consume_token (parser);
       return ret;
     }
@@ -2572,6 +2574,7 @@ c_parser_parms_list_declarator (c_parser *parser, tree attrs)
       ret->parms = 0;
       ret->tags = 0;
       ret->others = 0;
+      ret->had_vla_unspec = 0;
       /* Suppress -Wold-style-definition for this case.  */
       ret->types = error_mark_node;
       error ("ISO C requires a named argument before %<...%>");
@@ -2622,6 +2625,7 @@ c_parser_parms_list_declarator (c_parser *parser, tree attrs)
 	      ret->tags = 0;
 	      ret->types = 0;
 	      ret->others = 0;
+	      ret->had_vla_unspec = 0;
 	      return ret;
 	    }
 	}
@@ -2647,6 +2651,7 @@ c_parser_parms_list_declarator (c_parser *parser, tree attrs)
 		  ret->tags = 0;
 		  ret->types = 0;
 		  ret->others = 0;
+		  ret->had_vla_unspec = 0;
 		  return ret;
 		}
 	    }