[plugin] Fix PR 59335 plugin build

Fix trunk plugin build by adding missing headers and remove headers no
longer exist.

Test passed:
- arm-none-eabi build --enable-plugins
- build test plugin 
- x86_64 bootstrap --enable-plugins

OK to trunk?

ChangeLog.gcc
	2013-11-19  Joey Ye  <joey.ye@arm.com>

	PR plugin/59335
	* Makefile.in (tree-cfg.h, tree-into-ssa.h, fold-const.h,
gimple-ssa.h,
	gimple-iterator.h, varasm.h, context.h): Add missing headers for
plugin.
	(tree-flow.h, tree-flow-inline.h): Remove as they no longer exist.

 EMIT_RTL_H = emit-rtl.h
@@ -929,7 +930,7 @@ CPP_ID_DATA_H = $(CPPLIB_H)
$(srcdir)/../libcpp/include/cpp-id-data.h
 CPP_INTERNAL_H = $(srcdir)/../libcpp/internal.h $(CPP_ID_DATA_H)
 TREE_DUMP_H = tree-dump.h $(SPLAY_TREE_H) $(DUMPFILE_H)
 TREE_PASS_H = tree-pass.h $(TIMEVAR_H) $(DUMPFILE_H)
-TREE_FLOW_H = tree-flow.h tree-flow-inline.h tree-ssa-operands.h \
+TREE_FLOW_H = tree-ssa-operands.h \
 		$(BITMAP_H) sbitmap.h $(BASIC_BLOCK_H) $(GIMPLE_H) \
 		$(HASHTAB_H) $(CGRAPH_H) $(IPA_REFERENCE_H) \
 		tree-ssa-alias.h
@@ -3119,7 +3120,7 @@ PLUGIN_HEADERS = $(TREE_H) $(CONFIG_H) $(SYSTEM_H)
coretypes.h $(TM_H) \
   cppdefault.h flags.h $(MD5_H) params.def params.h prefix.h tree-inline.h
\
   $(GIMPLE_PRETTY_PRINT_H) realmpfr.h \
   $(IPA_PROP_H) $(TARGET_H) $(RTL_H) $(TM_P_H) $(CFGLOOP_H) $(EMIT_RTL_H) \
-  version.h stringpool.h
+  version.h stringpool.h varasm.h fold-const.h $(CONTEXT_H)
 
 # generate the 'build fragment' b-header-vars
 s-header-vars: Makefile
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 459b1ba..55f1ace 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -882,13 +882,14 @@ TREE_CORE_H = tree-core.h coretypes.h all-tree.def tree.def \
 	$(VEC_H) treestruct.def $(HASHTAB_H) \
 	double-int.h alias.h $(SYMTAB_H) $(FLAGS_H) \
 	$(REAL_H) $(FIXED_VALUE_H)
-TREE_H = tree.h $(TREE_CORE_H)  tree-check.h
+TREE_H = tree.h $(TREE_CORE_H)  tree-check.h tree-cfg.h tree-into-ssa.h
 REGSET_H = regset.h $(BITMAP_H) hard-reg-set.h
 BASIC_BLOCK_H = basic-block.h $(PREDICT_H) $(VEC_H) $(FUNCTION_H) \
 	cfg-flags.def cfghooks.h
 GIMPLE_H = gimple.h gimple.def gsstruct.def pointer-set.h $(VEC_H) \
 	$(GGC_H) $(BASIC_BLOCK_H) $(TREE_H) tree-ssa-operands.h \
-	tree-ssa-alias.h $(INTERNAL_FN_H) $(HASH_TABLE_H) is-a.h
+	tree-ssa-alias.h $(INTERNAL_FN_H) $(HASH_TABLE_H) is-a.h \
+	gimple-ssa.h gimple-iterator.h
 GCOV_IO_H = gcov-io.h gcov-iov.h auto-host.h
 RECOG_H = recog.h
 EMIT_RTL_H = emit-rtl.h
@@ -929,7 +930,7 @@ CPP_ID_DATA_H = $(CPPLIB_H) $(srcdir)/../libcpp/include/cpp-id-data.h
 CPP_INTERNAL_H = $(srcdir)/../libcpp/internal.h $(CPP_ID_DATA_H)
 TREE_DUMP_H = tree-dump.h $(SPLAY_TREE_H) $(DUMPFILE_H)
 TREE_PASS_H = tree-pass.h $(TIMEVAR_H) $(DUMPFILE_H)
-TREE_FLOW_H = tree-flow.h tree-flow-inline.h tree-ssa-operands.h \
+TREE_FLOW_H = tree-ssa-operands.h \
 		$(BITMAP_H) sbitmap.h $(BASIC_BLOCK_H) $(GIMPLE_H) \
 		$(HASHTAB_H) $(CGRAPH_H) $(IPA_REFERENCE_H) \
 		tree-ssa-alias.h
@@ -3119,7 +3120,7 @@ PLUGIN_HEADERS = $(TREE_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
   cppdefault.h flags.h $(MD5_H) params.def params.h prefix.h tree-inline.h \
   $(GIMPLE_PRETTY_PRINT_H) realmpfr.h \
   $(IPA_PROP_H) $(TARGET_H) $(RTL_H) $(TM_P_H) $(CFGLOOP_H) $(EMIT_RTL_H) \
-  version.h stringpool.h
+  version.h stringpool.h varasm.h fold-const.h $(CONTEXT_H)
 
 # generate the 'build fragment' b-header-vars
 s-header-vars: Makefile