[committed][gdb/testsuite] Fix gdb.base/break-interp.exp timeout with check-read1

[Tom de Vries <tdevries@suse.de>]

Hi,

With gdb.base/break-interp.exp and check-read1, we run get:
...
FAIL: gdb.base/break-interp.exp: LDprelinkNOdebugNO: \
  BINprelinkNOdebugNOpieNO: symbol-less: info files (timeout)
FAIL: gdb.base/break-interp.exp: LDprelinkNOdebugNO: \
  BINprelinkNOdebugNOpieYES: symbol-less: info files (timeout)
FAIL: gdb.base/break-interp.exp: LDprelinkNOdebugIN: \
  BINprelinkNOdebugNOpieNO: symbol-less: info files (timeout)
FAIL: gdb.base/break-interp.exp: LDprelinkNOdebugIN: \
  BINprelinkNOdebugNOpieYES: symbol-less: info files (timeout)
...

Fix this by calling exp_continue after each "info files" line.

Tested on x86_64-linux.

Committed to trunk.

Thanks,
- Tom

[gdb/testsuite] Fix gdb.base/break-interp.exp timeout with check-read1

gdb/testsuite/ChangeLog:

2019-07-31  Tom de Vries  <tdevries@suse.de>

	PR testsuite/24863
	* gdb.base/break-interp.exp: Use exp_continue after each "info files"
	line.

---
 gdb/testsuite/gdb.base/break-interp.exp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/gdb/testsuite/gdb.base/break-interp.exp b/gdb/testsuite/gdb.base/break-interp.exp
index 51e31f6503..d6da653529 100644
--- a/gdb/testsuite/gdb.base/break-interp.exp
+++ b/gdb/testsuite/gdb.base/break-interp.exp
@@ -451,6 +451,10 @@ proc test_ld {file ifmain trynosym displacement} {
 	    # to slow processing of wildcard capturing long output
 	    set test "info files"
 	    set entrynohex ""
+	    set info_line [join [list \
+				     "\r\n" "\[\t\]" "0x\[0-9af\]+" " - " \
+				     "0x\[0-9af\]+" " @ " "0x\[0-9af\]+"  \
+				     " is " "\[^\r\n\]+"] ""]
 	    gdb_test_multiple $test $test {
 		-re "\r\n\[\t \]*Entry point:\[\t \]*0x(\[0-9a-f\]+)\r\n" {
 		    set entrynohex $expect_out(1,string)
@@ -458,6 +462,10 @@ proc test_ld {file ifmain trynosym displacement} {
 			-re "\r\n$gdb_prompt $" {
 			    pass $test
 			}
+			-re $info_line {
+			    # Avoid timeout with check-read1
+			    exp_continue
+			}
 		    }
 		}
 	    }