Index: testsuite/gdb.base/default.exp
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.base/default.exp,v
retrieving revision 1.29
diff -u -p -u -r1.29 default.exp
--- testsuite/gdb.base/default.exp	3 Jan 2009 05:58:03 -0000	1.29
+++ testsuite/gdb.base/default.exp	6 Apr 2009 18:43:46 -0000
@@ -598,7 +598,7 @@ gdb_test "show complaints" "Max number o
 #test show confirm
 gdb_test "show confirm" "Whether to confirm potentially dangerous operations is o\[a-z\]*." "show confirm"
 #test show convenience
-gdb_test "show convenience" "No debugger convenience variables now defined.(\[^\r\n\]*\[\r\n\])+Convenience variables have names starting with \".\";(\[^\r\n\]*\[\r\n\])+use \"set\" as in \"set .foo = 5\" to define them." "show convenience"
+gdb_test "show convenience" "\\\$_siginfo = void" "show convenience"
 #test show directories
 gdb_test "show directories" "Source directories searched: .cdir\[:;\].cwd" "show directories"
 #test show editing
Index: doc/gdb.texinfo
===================================================================
RCS file: /cvs/src/src/gdb/doc/gdb.texinfo,v
retrieving revision 1.578
diff -u -p -u -r1.578 gdb.texinfo
--- doc/gdb.texinfo	2 Apr 2009 15:56:08 -0000	1.578
+++ doc/gdb.texinfo	6 Apr 2009 18:43:47 -0000
@@ -7445,7 +7448,9 @@ the program being debugged terminates.
 @item $_siginfo
 @vindex $_siginfo@r{, convenience variable}
 The variable @code{$_siginfo} is bound to extra signal information
-inspection (@pxref{extra signal information}).
+inspection (@pxref{extra signal information}). Note that @code{$_siginfo}
+could be empty. For example, it will be empty before you execute the
+@code{run} command.
 @end table
 
 On HP-UX systems, if you refer to a function or variable name that