* dwarf2.c (decode_line_info): Revert last change. Instead set

initial low_pc to -1 to avoid need to test whether loc_pc has
	been set.

bfd/ChangeLog

@@ -1,3 +1,9 @@
+2005-06-10  Alan Modra  <amodra@bigpond.net.au>
+
+	* dwarf2.c (decode_line_info): Revert last change.  Instead set
+	initial low_pc to -1 to avoid need to test whether loc_pc has
+	been set.
+
 2005-06-09  Christopher Faylor  <cgf@timesys.com>
 
 	* coffcode.h (sec_to_styp_flags): Set appropriate section flags when

bfd/dwarf2.c

@@ -1090,9 +1090,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
 	 order using DW_LNE_set_address (e.g. Intel C++ 6.0 compiler
 	 for ia64-Linux).  Thus, to determine the low and high
 	 address, we must compare on every DW_LNS_copy, etc.  */
-      bfd_vma low_pc  = 0;
+      bfd_vma low_pc  = (bfd_vma) -1;
       bfd_vma high_pc = 0;
-      bfd_boolean low_pc_set = FALSE;
 
       /* Decode the table.  */
       while (! end_sequence)
@@ -1110,11 +1109,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
 	      /* Append row to matrix using current values.  */
 	      add_line_info (table, address, filename, line, column, 0);
 	      basic_block = 1;
-	      if (!low_pc_set || address < low_pc)
-		{
-		  low_pc_set = TRUE;
-		  low_pc = address;
-		}
+	      if (address < low_pc)
+		low_pc = address;
 	      if (address > high_pc)
 		high_pc = address;
 	    }
@@ -1132,11 +1128,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
 		  end_sequence = 1;
 		  add_line_info (table, address, filename, line, column,
 				 end_sequence);
-		  if (!low_pc_set || address < low_pc)
-		    {
-		      low_pc_set = TRUE;
-		      low_pc = address;
-		    }
+		  if (address < low_pc)
+		    low_pc = address;
 		  if (address > high_pc)
 		    high_pc = address;
 		  arange_add (unit->abfd, &unit->arange, low_pc, high_pc);
@@ -1188,11 +1181,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
 	    case DW_LNS_copy:
 	      add_line_info (table, address, filename, line, column, 0);
 	      basic_block = 0;
-	      if (!low_pc_set || address < low_pc)
-		{
-		  low_pc_set = TRUE;
-		  low_pc = address;
-		}
+	      if (address < low_pc)
+		low_pc = address;
 	      if (address > high_pc)
 		high_pc = address;
 	      break;