[patch] gdb/testsuite: Skip directory tests in gdb.base/info_sources.exp on remote host

[Sandra Loosemore <sandra@codesourcery.com>]

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Here's another patch for a remote-host testing issue I've run across. 
OK to commit?

-Sandra

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commit e08464126c11c710a11d94e4cc6a8b06593465be
Author: Sandra Loosemore <sandra@codesourcery.com>
Date:   Thu Jun 25 13:22:11 2020 -0700

    Skip directory tests in gdb.base/info_sources.exp on remote host
    
    When testing on a remote host, source files from build are copied to
    an arbitrary location on host.  Tests that try to pattern-match host
    pathnames against directory prefixes on build don't generally work.
    
    2020-06-25  Sandra Loosemore  <sandra@codesourcery.com>
    
    	gdb/testsuite/
    	* gdb.base/info_sources.exp: Skip directory match tests on
    	remote hosts.

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 8ad2448..3434aa1 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2020-06-25  Sandra Loosemore  <sandra@codesourcery.com>
+
+	* gdb.base/info_sources.exp: Skip directory match tests on
+	remote hosts.
+
 2020-06-25  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* gdb.arch/riscv-tdesc-regs.exp: New test cases.
diff --git a/gdb/testsuite/gdb.base/info_sources.exp b/gdb/testsuite/gdb.base/info_sources.exp
index fa643c5..8bcedfa 100644
--- a/gdb/testsuite/gdb.base/info_sources.exp
+++ b/gdb/testsuite/gdb.base/info_sources.exp
@@ -71,7 +71,9 @@ test_info_sources "--" 1 1
 
 # List both files with regexp matching anywhere in the filenames:
 test_info_sources "info_sources" 1 1
-test_info_sources "gdb.base" 1 1
+if { ! [is_remote host] } {
+    test_info_sources "gdb.base" 1 1
+}
 
 # List both files with regexp matching the filename basenames,
 # using various parts of the -basename option:
@@ -88,8 +90,10 @@ test_info_sources "-b base" 0 1
 
 # List the files with dirname matching regexp,
 # using various part of the -dirname option:
-test_info_sources "-d base" 1 1
-test_info_sources "-dirname base" 1 1
+if { ! [is_remote host] } {
+    test_info_sources "-d base" 1 1
+    test_info_sources "-dirname base" 1 1
+}
 
 # Test non matching regexp, with option terminator:
 test_info_sources "-b -- -d" 0 0