scandump.exp (scan-dump-times): Use printable version of regexp in test summary line.

	* lib/scandump.exp (scan-dump-times): Use printable version of
	regexp in test summary line.

From-SVN: r188538

gcc/testsuite/ChangeLog

 2012-06-13  Janis Johnson  <janisjo@codesourcery.com>
 
+	* lib/scandump.exp (scan-dump-times): Use printable version of
+	regexp in test summary line.
+
 	* gcc.dg/di-longlong64-sync-1.c: Add comments to checks for multiple
 	messages reported for one line of source code.
 	* gcc.dg/format/few-1.c: Likewise.

gcc/testsuite/lib/scandump.exp

@@ -94,7 +94,8 @@ proc scan-dump-times { args } {
     upvar 3 name testcase
 
     set suf [dump-suffix [lindex $args 3]]
-    set testname "$testcase scan-[lindex $args 0]-dump-times $suf \"[lindex $args 1]\" [lindex $args 2]"
+    set printable_pattern [make_pattern_printable [lindex $args 1]]
+    set testname "$testcase scan-[lindex $args 0]-dump-times $suf \"$printable_pattern\" [lindex $args 2]"
     set src [file tail [lindex $testcase 0]]
     set output_file "[glob -nocomplain $src.[lindex $args 3]]"
     if { $output_file == "" } {