[binutils-gdb] Fix initiali state of DWARF v5 line number table in BFD library

[binutils-gdb] Fix initiali state of DWARF v5 line number table in BFD library

[Nick Clifton]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d1765f5db3f9d1c75a3e1b06f0182db40afbbdc9

commit d1765f5db3f9d1c75a3e1b06f0182db40afbbdc9
Author: Nick Clifton <nickc@redhat.com>
Date:   Mon Apr 29 10:03:56 2024 +0100

    Fix initiali state of DWARF v5 line number table in BFD library
    
      PR 30783

Diff:
---
 bfd/dwarf2.c                       | 7 +++----
 ld/testsuite/ld-x86-64/pr27587.err | 2 +-
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
index 8eb7b11e1ca..151ed0237ca 100644
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -2916,10 +2916,9 @@ decode_line_info (struct comp_unit *unit)
 
       if (table->num_files)
 	{
-	  if (table->use_dir_and_file_0)
-	    filename = concat_filename (table, 0);
-	  else
-	    filename = concat_filename (table, 1);
+	  /* PR 30783: Always start with a file index of 1, even
+	     for DWARF-5.  */
+	  filename = concat_filename (table, 1);
 	}
 
       /* Decode the table.  */
diff --git a/ld/testsuite/ld-x86-64/pr27587.err b/ld/testsuite/ld-x86-64/pr27587.err
index 9ccca0aec38..b5c6fbaffa5 100644
--- a/ld/testsuite/ld-x86-64/pr27587.err
+++ b/ld/testsuite/ld-x86-64/pr27587.err
@@ -1,3 +1,3 @@
 #...
-.*pr27587/<artificial>:4:\(.*\): undefined reference to `stack_size'
+.*pr27587/pr27587.i:4:\(.*\): undefined reference to `stack_size'
 #...