gdb/

	* breakpoint.c (bpstat_do_actions): New variable cleanup_if_error, call
	make_bpstat_clear_actions_cleanup and discard_cleanups for it.
	* defs.h (make_bpstat_clear_actions_cleanup): New declaration.
	* exceptions.c (throw_exception): Remove the bpstat_clear_actions call.
	* inf-loop.c (inferior_event_handler): New variable cleanup_if_error,
	call make_bpstat_clear_actions_cleanup and discard_cleanups for it.
	Call bpstat_clear_actions for failed fetch_inferior_event_wrapper.
	* infrun.c (fetch_inferior_event): Call
	make_bpstat_clear_actions_cleanup.
	* top.c (execute_command): New variable cleanup_if_error, call
	make_bpstat_clear_actions_cleanup and discard_cleanups for it.
	* utils.c (do_bpstat_clear_actions_cleanup)
	(make_bpstat_clear_actions_cleanup): New functions.

gdb/testsuite/
	* gdb.base/commands.exp (error_clears_commands_left): New function.
	(): Call it.

2 files changed, 74 insertions, 0 deletions

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 5dc374c..cfa7227 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,10 @@
 2011-08-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
+	* gdb.base/commands.exp (error_clears_commands_left): New function.
+	(): Call it.
+
+2011-08-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
 	* gdb.mi/mi-inheritance-syntax-error.cc (A): Make `a' public.
 	(C): Initialize `a'.
 	* gdb.mi/mi-inheritance-syntax-error.exp
diff --git a/gdb/testsuite/gdb.base/commands.exp b/gdb/testsuite/gdb.base/commands.exp
index fb9cf4e..2c57986 100644
--- a/gdb/testsuite/gdb.base/commands.exp
+++ b/gdb/testsuite/gdb.base/commands.exp
@@ -678,6 +678,74 @@ proc if_commands_test {} {
     }
 }
 
+# Verify an error during "commands" commands execution will prevent any other
+# "commands" from other breakpoints at the same location to be executed.
+
+proc error_clears_commands_left {} {
+    set test "hook-stop 1"
+    gdb_test_multiple {define hook-stop} $test {
+	-re "End with a line saying just \"end\"\\.\r\n>$" {
+	    pass $test
+	}
+    }
+    set test "hook-stop 1a"
+    gdb_test_multiple {echo hook-stop1\n} $test {
+	-re "\r\n>$" {
+	    pass $test
+	}
+    }
+    gdb_test_no_output "end" "hook-stop 1b"
+
+    delete_breakpoints
+    gdb_breakpoint "main"
+
+    set test "main commands 1"
+    gdb_test_multiple {commands $bpnum} $test {
+	-re "End with a line saying just \"end\"\\.\r\n>$" {
+	    pass $test
+	}
+    }
+    set test "main commands 1a"
+    gdb_test_multiple {echo cmd1\n} $test {
+	-re "\r\n>$" {
+	    pass $test
+	}
+    }
+    set test "main commands 1b"
+    gdb_test_multiple {errorcommandxy\n} $test {
+	-re "\r\n>$" {
+	    pass $test
+	}
+    }
+    gdb_test_no_output "end" "main commands 1c"
+
+    gdb_breakpoint "main"
+    set test "main commands 2"
+    gdb_test_multiple {commands $bpnum} $test {
+	-re "End with a line saying just \"end\"\\.\r\n>$" {
+	    pass $test
+	}
+    }
+    set test "main commands 2a"
+    gdb_test_multiple {echo cmd2\n} $test {
+	-re "\r\n>$" {
+	    pass $test
+	}
+    }
+    set test "main commands 2b"
+    gdb_test_multiple {errorcommandyz\n} $test {
+	-re "\r\n>$" {
+	    pass $test
+	}
+    }
+    gdb_test_no_output "end" "main commands 2c"
+
+    gdb_run_cmd
+    gdb_test "" "\r\nhook-stop1\r\n.*\r\ncmd1\r\nUndefined command: \"errorcommandxy\"\\.  Try \"help\"\\." "cmd1 error"
+
+    gdb_test {echo idle\n} "\r\nidle" "no cmd2"
+}
+
 proc redefine_hook_test {} {
     global gdb_prompt
 
@@ -758,6 +826,7 @@ stray_arg0_test
 source_file_with_indented_comment
 recursive_source_test
 if_commands_test
+error_clears_commands_left
 redefine_hook_test
 # This one should come last, as it redefines "backtrace".
 redefine_backtrace_test