* dbxout.c (dbxout_source_line_counter): New global variable.
	Mark it with GTY(()).
	(dbxout_source_line): Increment dbxout_source_line_counter
	and pass it to ASM_OUTPUT_SOURCE_LINE.
	* sdbout.c (sdbout_source_line_counter): New global variable.
	Mark it with GTY(()).
	(unnamed_struct_number): Mark it with GTY(()).
	(sdbout_source_line): Increment sdbout_source_line_counter
	and pass it to ASM_OUTPUT_SOURCE_LINE.
	* xcoffout.c (ASM_OUTPUT_SOURCE_LINE): Add third parameter
	(xcoffout_source_line): Pass 0 as third argument to
	ASM_OUTPUT_SOURCE_LINE.
	(xcoffout_begin_prologue): Likewise.
	* config/dbxout.h (ASM_OUTPUT_SOURCE_LINE): Add third parameter.
	Use it instead of 'sym_lineno' but without incrementing it.
	* config/dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* config/lynx.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* config/ptx4.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* config/alpha/alpha.c (alpha_start_function): Pass 0 as third
	argument to ASM_OUTPUT_SOURCE_LINE.
	* config/alpha/alpha.h (ASM_OUTPUT_SOURCE_LINE): Add third parameter.
	* config/arm/aout.h: Remove useless comment.
	* config/avr/avr.h (ASM_OUTPUT_SOURCE_LINE): Add third parameter.
	* config/i960/i960.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* config/m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Add third parameter.
	Use it instead of 'sym_lineno' but without incrementing it.
	* config/m68k/hp320.h (ASM_OUTPUT_SOURCE_LINE): Add third parameter.
	* config/mcore/mcore-pe.h (ASM_OUTPUT_SOURCE_LINE): Add third
	parameter. Use it instead of 'sym_lineno' but without incrementing it.
	* config/mips/mips.c (mips_output_function_prologue): Pass 0 as third
	argument to ASM_OUTPUT_SOURCE_LINE.
	* config/mips/mips.h (ASM_OUTPUT_SOURCE_LINE): Add third parameter.
	* config/mmix/mmix.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* config/pa/som.h (ASM_OUTPUT_SOURCE_LINE): Add third parameter.
	Use it instead of 'sym_lineno' but without incrementing it.
	* config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* config/sh/elf.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* config/sparc/aout.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* config/sparc/pbd.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
	* doc/tm.texi (ASM_OUTPUT_SOURCE_LINE): Document third parameter.

From-SVN: r68072