Merge GDB 7.5.1

gdb/testsuite/gdb.base/async-shell.exp

Index: gdb/testsuite/gdb.base/async-shell.exp
diff --git a/gdb/testsuite/gdb.base/async-shell.exp b/gdb/testsuite/gdb.base/async-shell.exp
index 4949cf92225190ab7cd41ac80f777a130c28caa3..d68238271c95fe9afcd72f30045c9d81a4f76710 100644
--- a/gdb/testsuite/gdb.base/async-shell.exp
+++ b/gdb/testsuite/gdb.base/async-shell.exp
@@ -29,9 +29,11 @@ if { [prepare_for_testing ${testfile}.exp ${testfile}] } {
     return -1
 }
 
+set gdbindex_warning_re "warning: Skipping \[^\r\n\]+ \\.gdb_index section \[^\r\n\]*\r\nDo \"set use-deprecated-index-sections on\" before the file is read\r\nto use the section anyway\\."
+
 gdb_test_no_output "set target-async on "
 gdb_test_no_output "set non-stop on"
-gdb_test "run &" "Starting program: \[^\r\n\]*"
+gdb_test "run &" "Starting program: \[^\r\n\]*(\r\n$gdbindex_warning_re)?"
 
 # `sleep 5' here would workaround the bug, do not sleep here.
 # "shell" could eat waitpid event from the asynchronous inferior process.