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[commit] Fix intermittent failures in breakpoint-shadow.exp.


I got a failure in breakpoint-shadow.exp.
gdb.log has this:

(gdb) PASS: gdb.base/breakpoint-shadow.exp: First breakpoint placed
b 24
Breakpoint 3 at 0x400397: file ../../../../src/gdb/testsuite/gdb.base/breakpoint-shadow.c, line 24.
PASS: gdb.base/breakpoint-shadow.exp: Second breakpoint placed
disass main
(gdb) FAIL: gdb.base/breakpoint-shadow.exp: disassembly with breakpoints
testcase ../../../../src/gdb/testsuite/gdb.base/breakpoint-shadow.exp completed in 1 seconds

Notice that the "disass main" command seemingly has no output.
Also note that there is no gdb prompt between the "b 24" command
and the "disass main" command.

The regexp for placing the second breakpoint needs to include
the gdb prompt (otherwise a regexp internal to gdb_test_multiple may
see it and prematurely return).

Checked in.

2009-09-10  Doug Evans  <>

	* gdb.base/breakpoint-shadow.exp: Fix intermittent failures.
	Add $gdb_prompt to second breakpoint regexp.

Index: testsuite/gdb.base/breakpoint-shadow.exp
RCS file: /cvs/src/src/gdb/testsuite/gdb.base/breakpoint-shadow.exp,v
retrieving revision 1.3
diff -u -p -r1.3 breakpoint-shadow.exp
--- testsuite/gdb.base/breakpoint-shadow.exp	8 Sep 2009 17:39:22 -0000	1.3
+++ testsuite/gdb.base/breakpoint-shadow.exp	10 Sep 2009 22:23:46 -0000
@@ -50,7 +50,7 @@ gdb_test_multiple "disass main" $test {
 gdb_test "b [gdb_get_line_number "break-first"]" "Breakpoint \[0-9\] at .*" "First breakpoint placed"
 set test "Second breakpoint placed"
 gdb_test_multiple "b [gdb_get_line_number "break-second"]" $test {
-    -re "Breakpoint \[0-9\] at (0x\[0-9a-f\]*):.*" {
+    -re "Breakpoint \[0-9\] at (0x\[0-9a-f\]*):.*$gdb_prompt $" {
 	pass $test
 	set bpt2address $expect_out(1,string)

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