gcc:

gcc:
	* c-opts.c (finish_options): Set input_location.
	* toplev.c (general_init): Create builtins location.
	* input.h (BUILTINS_LOCATION): Change value.
gcc/java
	* lang.c (java_post_options): Don't initialize builtins location.
	Rename to main file.
gcc/fortran
	* f95-lang.c (gfc_init): Don't set up builtins location.  Rename
	to main file.
gcc/treelang
	* treetree.h (treelang_post_options): Declare.
	* treetree.c (LANG_HOOKS_POST_OPTIONS): New define.
	* tree1.c (treelang_post_options): New function.
	(treelang_init): Don't initialize builtins location.
libcpp
	* internal.h (struct cpp_reader) <entered_main_file>: New field.
	* files.c (_cpp_stack_file): Treat main file specially.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/incremental-compiler@132949 138bc75d-0d04-0410-961f-82ee72b054a4