[committed][gdb/testsuite] Stabilize gdb-caching-proc.exp test order

[Tom de Vries <tdevries@suse.de>]

Hi,

The test-case gdb-caching-proc.exp tests each gdb_caching_proc in
gdb/testsuite/lib/*.exp.  However, the order of .exp file being tested can
change from run to run, because of using glob.

Fix this by sorting the glob result.

Tested on x86_64-linux.

Committed to trunk.

Thanks,
- Tom

[gdb/testsuite] Stabilize gdb-caching-proc.exp test order

gdb/testsuite/ChangeLog:

2019-08-21  Tom de Vries  <tdevries@suse.de>

	* gdb.base/gdb-caching-proc.exp: Sort files.

---
 gdb/testsuite/gdb.base/gdb-caching-proc.exp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gdb/testsuite/gdb.base/gdb-caching-proc.exp b/gdb/testsuite/gdb.base/gdb-caching-proc.exp
index 82645b0008..ee78727939 100644
--- a/gdb/testsuite/gdb.base/gdb-caching-proc.exp
+++ b/gdb/testsuite/gdb.base/gdb-caching-proc.exp
@@ -104,6 +104,7 @@ if { ![gdb_simple_compile $me $src executable] } {
 
 # Test gdb_caching_procs in gdb/testsuite/lib/*.exp
 set files [eval glob -types f $srcdir/lib/*.exp]
+set files [lsort $files]
 foreach file $files {
     test_file $file
 }