[gcjx] Patch: FYI: avoid crash with line number == -1

[Tom Tromey]

I'm checking this in on the gcjx branch.

This avoids a crash in gcc when the line number for a method is
thought by gcjx to be -1.

Tom

Index: ChangeLog
from  Tom Tromey  <tromey@redhat.com>
	* treegen.cc (generate): Don't let -1 line number slip through.
	* tree.cc (annotate): Do nothing with negative line number.

Index: tree.cc
===================================================================
RCS file: /cvs/gcc/gcc/gcc/java/Attic/tree.cc,v
retrieving revision 1.1.2.41
diff -u -r1.1.2.41 tree.cc
--- tree.cc 17 Apr 2005 21:29:28 -0000 1.1.2.41
+++ tree.cc 17 Apr 2005 21:35:09 -0000
@@ -72,7 +72,8 @@
 tree_generator::annotate (tree val, model_element *element)
 {
   location where = element->get_location ();
-  annotate_with_file_line (val, where.get_file (), where.get_line ());
+  if (where.get_line () >= 0)
+    annotate_with_file_line (val, where.get_file (), where.get_line ());
 }
 
 tree
Index: treegen.cc
===================================================================
RCS file: /cvs/gcc/gcc/gcc/java/Attic/treegen.cc,v
retrieving revision 1.1.2.8
diff -u -r1.1.2.8 treegen.cc
--- treegen.cc 8 Mar 2005 23:02:05 -0000 1.1.2.8
+++ treegen.cc 17 Apr 2005 21:35:09 -0000
@@ -74,6 +74,8 @@
       location_t gcc_loc;
       LOCATION_FILE (gcc_loc) = end_loc.get_file ();
       LOCATION_LINE (gcc_loc) = end_loc.get_line ();
+      if (LOCATION_LINE (gcc_loc) < 0)
+	LOCATION_LINE (gcc_loc) = 0;
       cfun->function_end_locus = gcc_loc;
 
       dump_function (TDI_original, method);