[pushed] gdb/testsuite: use multi_line in gdb.dwarf2/dw2-reg-undefined.exp

[Simon Marchi]

Use multi_line to make the expected pattern more readable.

gdb/testsuite/ChangeLog:

	*  gdb.dwarf2/dw2-reg-undefined.exp: Use multi_line.

Change-Id: Ia8e42d156c0c30265121eb890e1db17a692dbaf0
---
 gdb/testsuite/ChangeLog                        | 4 ++++
 gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 344012e7475a..25835139b368 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2020-08-27  Simon Marchi  <simon.marchi@polymtl.ca>
+
+	*  gdb.dwarf2/dw2-reg-undefined.exp: Use multi_line.
+
 2020-08-27  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* gdb.arch/amd64-byte.exp: Make test names unique, use
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp b/gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp
index 29564face30b..a3e6f28c54f0 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp
@@ -66,6 +66,11 @@ for {set f 0} {$f < 3} {incr f} {
 
 
     # Display register values.
-    gdb_test "info registers rax rbx rcx r8 r9" "rax\\s+${pattern_rax_rbx_rcx_info}\\s*\r\nrbx\\s+${pattern_rax_rbx_rcx_info}\\s*\r\nrcx\\s+${pattern_rax_rbx_rcx_info}\\s*\r\nr8\\s+${pattern_r8_r9_info}\\s*\r\nr9\\s+${pattern_r8_r9_info}\\s*" \
+    gdb_test "info registers rax rbx rcx r8 r9" \
+	[multi_line "rax\\s+${pattern_rax_rbx_rcx_info}\\s*" \
+		    "rbx\\s+${pattern_rax_rbx_rcx_info}\\s*" \
+		    "rcx\\s+${pattern_rax_rbx_rcx_info}\\s*" \
+		    "r8\\s+${pattern_r8_r9_info}\\s*" \
+		    "r9\\s+${pattern_r8_r9_info}\\s*"] \
 	"Check values of rax, rbx, rcx, r8, r9 in frame ${f}"
 }
-- 
2.28.0