libstdc++.exp (libstdc++_init): Adjust regexp to work with previous versions of Tcl.

	* testsuite/lib/libstdc++.exp (libstdc++_init): Adjust regexp to
	work with previous versions of Tcl.

From-SVN: r211077

libstdc++-v3/ChangeLog

+2014-05-30  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/lib/libstdc++.exp (libstdc++_init): Adjust regexp to
+	work with previous versions of Tcl.
+
 2014-05-29  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/tr2/bool_set: Use UTF-8 for accented characters.

libstdc++-v3/testsuite/lib/libstdc++.exp

@@ -283,7 +283,7 @@ proc libstdc++_init { testfile } {
     append cxxflags " "
     append cxxflags [getenv CXXFLAGS]
 
-    if ![regexp "\-O" $cxxflags] {
+    if ![regexp ".*-O" $cxxflags] {
 	append cxxflags " -g -O2"
     }