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Re: [RFA] import drow dbxread.c fix to branch


Maybe I am some e-mails behind here.  But: if "gcc sometimes emits
line directives with a linenumber of 0", we may have a conflict.
FredF's patch synthesizes entries with a line number of 0.

So far DanielJ's patches have been adhering to the new meaning
per FredF.

Michael C

  2002-02-21  Fred Fish  <fnf@redhat.com>

	  * dbxread.c (process_one_symbol): When finding an N_FUN symbol
	  that marks the end of the range of a function, enter a line number
	  entry that has a line number of zero and a PC offset that matches
	  the end of the function.  This starts a range of PC's for which no
	  line number information is known.
	  * symtab.c (find_pc_sect_line): If our best fit is in a range of
	  PC's for which no line number info is found (line number is zero)
	  then we didn't find any valid line information.
	  * symtab.h: Document use of zero line number entry.


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