From: Tom de Vries <tdevries@suse.de>
Date: Tue, 4 Feb 2020 16:36:17 +0000 (+0100)
Subject: [gdb/testsuite] Add note to 'Race detection' entry in README
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f8dcc90b6030b641fa7b0b33e4203498bbb0f0e0;p=binutils-gdb.git

[gdb/testsuite] Add note to 'Race detection' entry in README

Add note to 'Race detection' entry in README about the possibility that
check-read1 makes failing tests pass.

gdb/testsuite/ChangeLog:

2020-02-04  Tom de Vries  <tdevries@suse.de>

	* README (Race detection): Add note.

Change-Id: I12ef2f0ec35abc5a0221585bf30e5f4f0616aa7c
---

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 8fcf67b13e9..cd496e7837c 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2020-02-04  Tom de Vries  <tdevries@suse.de>
+
+	* README (Race detection): Add note.
+
 2020-02-04  Tom de Vries  <tdevries@suse.de>
 
 	* lib/gdb.exp (inferior_exited_re): Use "\[^\n\r\]*" instead of ".*".
diff --git a/gdb/testsuite/README b/gdb/testsuite/README
index 4795df1f759..3e42526e623 100644
--- a/gdb/testsuite/README
+++ b/gdb/testsuite/README
@@ -352,6 +352,13 @@ Examples:
 	make -j10 check-read1 TESTS="*/paginate-*.exp"
 	make -j10 check READ1="1"
 
+Note: While the intention is to detect races and make otherwise passing tests
+fail, it can also have the effect of making otherwise failing tests pass.
+This happens f.i. if the test is trying to match a gdb prompt using an end of
+input marker "${gdb_prompt} $" and there is output after the gdb prompt.  This
+may either pass or fail in normal operation, but using check-read1 will ensure
+that it passes.
+
 Testsuite Configuration
 ***********************