re PR debug/24070 (Dwarf macro info has bad file numbers)

        PR debug/24070
        * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
        (dwarf2out_start_source_file): Print it.

From-SVN: r105051

gcc/ChangeLog

+2005-10-06  Richard Henderson  <rth@redhat.com>
+
+	PR debug/24070
+	* dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
+	(dwarf2out_start_source_file): Print it.
+
 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
 
 	* config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.

gcc/dwarf2out.c

@@ -13373,7 +13373,7 @@ lookup_filename (const char *file_name)
      prune_unused_types_walk_attribs.  */
 
   if (DWARF2_ASM_LINE_DEBUG_INFO && ! flag_eliminate_unused_debug_types)
-    maybe_emit_file (i);
+    return maybe_emit_file (i);
 
   return i;
 }
@@ -13591,13 +13591,15 @@ dwarf2out_start_source_file (unsigned int lineno, const char *filename)
 
   if (debug_info_level >= DINFO_LEVEL_VERBOSE)
     {
+      int fileno;
+
       named_section_flags (DEBUG_MACINFO_SECTION, SECTION_DEBUG);
       dw2_asm_output_data (1, DW_MACINFO_start_file, "Start new file");
       dw2_asm_output_data_uleb128 (lineno, "Included from line number %d",
 				   lineno);
-      maybe_emit_file (lookup_filename (filename));
-      dw2_asm_output_data_uleb128 (lookup_filename (filename),
-				   "Filename we just started");
+
+      fileno = maybe_emit_file (lookup_filename (filename));
+      dw2_asm_output_data_uleb128 (fileno, "Filename we just started");
     }
 }