Built go1.4.2 from source.

Change-Id: If9a300f7aacf0d8fb5e720945e0aa2fc68193270
diff --git a/src/cmd/gc/y.tab.h b/src/cmd/gc/y.tab.h
new file mode 100644
index 0000000..d01fbe1
--- /dev/null
+++ b/src/cmd/gc/y.tab.h
@@ -0,0 +1,167 @@
+/* A Bison parser, made by GNU Bison 2.3.  */
+
+/* Skeleton interface for Bison's Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     LLITERAL = 258,
+     LASOP = 259,
+     LCOLAS = 260,
+     LBREAK = 261,
+     LCASE = 262,
+     LCHAN = 263,
+     LCONST = 264,
+     LCONTINUE = 265,
+     LDDD = 266,
+     LDEFAULT = 267,
+     LDEFER = 268,
+     LELSE = 269,
+     LFALL = 270,
+     LFOR = 271,
+     LFUNC = 272,
+     LGO = 273,
+     LGOTO = 274,
+     LIF = 275,
+     LIMPORT = 276,
+     LINTERFACE = 277,
+     LMAP = 278,
+     LNAME = 279,
+     LPACKAGE = 280,
+     LRANGE = 281,
+     LRETURN = 282,
+     LSELECT = 283,
+     LSTRUCT = 284,
+     LSWITCH = 285,
+     LTYPE = 286,
+     LVAR = 287,
+     LANDAND = 288,
+     LANDNOT = 289,
+     LBODY = 290,
+     LCOMM = 291,
+     LDEC = 292,
+     LEQ = 293,
+     LGE = 294,
+     LGT = 295,
+     LIGNORE = 296,
+     LINC = 297,
+     LLE = 298,
+     LLSH = 299,
+     LLT = 300,
+     LNE = 301,
+     LOROR = 302,
+     LRSH = 303,
+     NotPackage = 304,
+     NotParen = 305,
+     PreferToRightParen = 306
+   };
+#endif
+/* Tokens.  */
+#define LLITERAL 258
+#define LASOP 259
+#define LCOLAS 260
+#define LBREAK 261
+#define LCASE 262
+#define LCHAN 263
+#define LCONST 264
+#define LCONTINUE 265
+#define LDDD 266
+#define LDEFAULT 267
+#define LDEFER 268
+#define LELSE 269
+#define LFALL 270
+#define LFOR 271
+#define LFUNC 272
+#define LGO 273
+#define LGOTO 274
+#define LIF 275
+#define LIMPORT 276
+#define LINTERFACE 277
+#define LMAP 278
+#define LNAME 279
+#define LPACKAGE 280
+#define LRANGE 281
+#define LRETURN 282
+#define LSELECT 283
+#define LSTRUCT 284
+#define LSWITCH 285
+#define LTYPE 286
+#define LVAR 287
+#define LANDAND 288
+#define LANDNOT 289
+#define LBODY 290
+#define LCOMM 291
+#define LDEC 292
+#define LEQ 293
+#define LGE 294
+#define LGT 295
+#define LIGNORE 296
+#define LINC 297
+#define LLE 298
+#define LLSH 299
+#define LLT 300
+#define LNE 301
+#define LOROR 302
+#define LRSH 303
+#define NotPackage 304
+#define NotParen 305
+#define PreferToRightParen 306
+
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+#line 28 "go.y"
+{
+	Node*		node;
+	NodeList*		list;
+	Type*		type;
+	Sym*		sym;
+	struct	Val	val;
+	int		i;
+}
+/* Line 1529 of yacc.c.  */
+#line 160 "y.tab.h"
+	YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+extern YYSTYPE yylval;
+