diff --git a/gdb/dwarf2/line-header.c b/gdb/dwarf2/line-header.c
index 9d74c8fe75b..d072a91bac9 100644
--- a/gdb/dwarf2/line-header.c
+++ b/gdb/dwarf2/line-header.c
@@ -215,6 +215,10 @@ read_formatted_entries (dwarf2_per_objfile *per_objfile, bfd *abfd,
 	      break;
 	    }
 
+	  /* Normalize nullptr string.  */
+	  if (string.has_value () && *string == nullptr)
+	    string.emplace ("");
+
 	  switch (content_type)
 	    {
 	    case DW_LNCT_path:
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-empty-file-name.exp b/gdb/testsuite/gdb.dwarf2/dw2-empty-file-name.exp
new file mode 100644
index 00000000000..6030e4a0579
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-empty-file-name.exp
@@ -0,0 +1,66 @@
+# Copyright 2023 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Check that an empty file name in the .debug_line section doesn't cause
+# problems.
+
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+require dwarf2_support
+
+# The .c files use __attribute__.
+require is_c_compiler_gcc
+
+standard_testfile main.c -dw.S
+
+set asm_file [standard_output_file $srcfile2]
+Dwarf::assemble $asm_file {
+    declare_labels Llines
+    global srcdir subdir srcfile
+
+    cu { version 5 } {
+	compile_unit {
+	    {language @DW_LANG_C}
+	    {name $srcfile}
+	    {stmt_list $Llines DW_FORM_sec_offset}
+	} {
+	    subprogram {
+		{external 1 flag}
+		{MACRO_AT_func {main}}
+	    }
+	}
+    }
+
+    lines {version 5} Llines {
+	include_dir "${srcdir}/${subdir}"
+	file_name "" 1
+    }
+}
+
+if { [build_executable "failed to prepare" ${testfile} \
+	  [list $srcfile $asm_file] {nodebug}] } {
+    return -1
+}
+
+clean_restart
+
+# If there's an ERROR during gdb_load, the assert will produce an UNRESOLVED
+# rather than a FAIL.
+gdb_assert { [gdb_load $binfile] == 0 }
+
+# But this will produce an actual FAIL, which is more visible than
+# ERROR/UNRESOLVED.
+gdb_assert { [info exists gdb_spawn_id] }