2003-04-04  Geoffrey Keating  <geoffk@apple.com>

	* dbxout.c (scope_labelno): Add GTY.
	(have_used_extensions): Add GTY.
	(source_label_number): Add GTY.
	(lastfile): Add GTY.
	(lastfile_is_base): New.
	(base_input_file): New.
	(dbxout_handle_pch): New.
	(dbx_debug_hooks): Add handle_pch.
	(xcoff_debug_hooks): Likewise.
	(dbxout_function_end): Remove scope_labelno.
	(dbxout_init): Set base_input_file.
	(dbxout_handle_pch): New.
	(dbxout_source_file): Honour lastfile_is_base.
	* dwarfout.c (dwarf_debug_hooks): Add dummy handle_pch.
	* sdbout.c (sdb_debug_hooks): Add dummy handle_pch.
	* vmsdbgout.c (vmsdbg_debug_hooks): Add dummy handle_pch.
	* dwarf2out.c (dwarf2_debug_hooks): Add dummy handle_pch.
	* debug.c (do_nothing_debug_hooks): Add dummy handle_pch.
	* debug.h (struct gcc_debug_hooks): Add handle_pch.
	* c-pch.c (pch_init): Don't call start_source_file, but do call
	handle_pch.
	(c_common_write_pch): Call handle_pch.
	(c_common_read_pch): Don't call start_source_file,
	or end_source_file.

Index: gcc/testsuite/ChangeLog
2003-04-04  Geoffrey Keating  <geoffk@apple.com>

	* gcc.dg/pch/static-3.c: New.
	* gcc.dg/pch/static-3.hs: New.
	* gcc.dg/pch/pch.exp: Test with -O0 -g too.

From-SVN: r65266