[binutils-gdb] ignore DWARF debug information for -gsplit-dwarf with dwarf-5

[binutils-gdb] ignore DWARF debug information for -gsplit-dwarf with dwarf-5

[Jan Beulich]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=09fbd1cf93bac1fe02860184f0a0bceedb40ff33

commit 09fbd1cf93bac1fe02860184f0a0bceedb40ff33
Author: Potharla, Rupesh <Rupesh.Potharla@amd.com>
Date:   Tue Oct 4 09:39:53 2022 +0200

    ignore DWARF debug information for -gsplit-dwarf with dwarf-5
    
    Skip dwo_id for split dwarf.
    
    * dwarf2.c (parse_comp_unit): Skip DWO_id for DW_UT_skeleton.

Diff:
---
 bfd/dwarf2.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
index 4a6a1e40185..364cc9a6480 100644
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -4411,13 +4411,23 @@ parse_comp_unit (struct dwarf2_debug *stash,
   if (version < 5)
     addr_size = read_1_byte (abfd, &info_ptr, end_ptr);
 
-  if (unit_type == DW_UT_type)
+  switch (unit_type)
     {
+    case DW_UT_type:
       /* Skip type signature.  */
       info_ptr += 8;
 
       /* Skip type offset.  */
       info_ptr += offset_size;
+      break;
+
+    case DW_UT_skeleton:
+      /* Skip DWO_id field.  */
+      info_ptr += 8;
+      break;
+
+    default:
+      break;
     }
 
   if (addr_size > sizeof (bfd_vma))