[binutils-gdb] [gdb/testsuite] Fix gdb.dwarf2/gdb-index-cxx.exp for remote host

[binutils-gdb] [gdb/testsuite] Fix gdb.dwarf2/gdb-index-cxx.exp for remote host

[Tom de Vries]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=623f8c6b88161ea272137a5d6f5df8aada2e1656

commit 623f8c6b88161ea272137a5d6f5df8aada2e1656
Author: Tom de Vries <tdevries@suse.de>
Date:   Mon Mar 27 13:58:10 2023 +0200

    [gdb/testsuite] Fix gdb.dwarf2/gdb-index-cxx.exp for remote host
    
    Fix test-case gdb.dwarf2/gdb-index-cxx.exp for remote host using
    host_standard_output_file.
    
    Tested on x86_64-linux.

Diff:
---
 gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp | 2 +-
 gdb/testsuite/lib/gdb.exp                  | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp b/gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp
index 3c3d6cc463d..6fffc982722 100644
--- a/gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp
+++ b/gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp
@@ -23,7 +23,7 @@ if {[prepare_for_testing "failed to prepare" "${testfile}" \
 }
 
 # The bug was that gdb would crash when saving.
-set output_dir [standard_output_file ""]
+set output_dir [host_standard_output_file ""]
 set cmd "save gdb-index"
 gdb_test_multiple "$cmd $output_dir" $cmd {
     -re -wrap "Cannot use an index to create the index.*" {
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index 39ed5ad761b..14ce39e8ed7 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -6414,6 +6414,9 @@ proc host_standard_output_file { basename } {
     if { [is_remote host] } {
 	set remotedir [board_info host remotedir]
 	if { $remotedir == "" } {
+	    if { $basename == "" } {
+		return "."
+	    }
 	    return $basename
 	} else {
 	    return [join [list $remotedir $basename] "/"]