diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index f6b0c01..4f84b40 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -17665,7 +17665,8 @@ dwarf_decode_lines_1 (struct line_header *lh, struct dwarf2_cu *cu,
 		     the test to only address values of zero to preserve
 		     GDB's previous behaviour which is to handle the specific
 		     case of a function being GC'd by the linker.  */
-		  if (address == 0 && address < lowpc)
+		  if (address == 0 && address < lowpc
+		      && (objfile->flags & OBJF_MAINLINE))
 		    {
 		      /* This line table is for a function which has been
 			 GCd by the linker.  Ignore it.  PR gdb/12528 */