Initial check-in of gcc 4.7.2.

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+This is a collection of tests for GCC. For further information about
+the C testsuite, see README.gcc.
+
+The driver that runs this testsuite is called DejaGnu and you will
+need a current DejaGnu snapshot, which is available from
+ftp://gcc.gnu.org/pub/gcc/infrastructure, for example.
+
+These tests are included "as is". If any of them fails, do not report
+a bug.  Bug reports for DejaGnu can go to bug-dejagnu@gnu.org.
+Discussion and comments about this testsuite should be sent to
+gcc@gcc.gnu.org; additions and changes to should go to sent to
+gcc-patches@gcc.gnu.org.
+
+The entire testsuite is invoked by `make check` at the top level of
+the GCC tree. `make check-g++` runs the C++ testsuite only.
+
+STRUCTURE OF THE G++ TESTSUITE
+
+  g++.dg tests:
+
+  All new tests should be placed in an appropriate subdirectory of g++.dg.
+
+  g++.old-deja tests:
+
+  g++.benjamin	Tests by Benjamin Koz
+  g++.bob
+  g++.brendan	Tests by Brendan Kehoe
+  g++.bugs
+  g++.eh  	Tests for exception handling
+  g++.ext  	Tests for g++ extensions
+  g++.gb  	Tests by Gerald Baumgartner
+  g++.jason	Tests by Jason Merill
+  g++.jeff	Tests by Jeffrey A Law
+  g++.martin	Tests by Martin v. Löwis
+  g++.mike	Tests by Mike Stump
+  g++.niklas	Tests by Niklas Hallqvist
+  g++.ns  	Tests for namespaces
+  g++.other
+  g++.pt  	Tests for templates
+  g++.rfg
+  g++.robertl	Tests from gcc-bugs@gcc.gnu.org, gathered by Robert Lipe
+	
+Finally, some random last minute notes by Mike Stump <mrs@cygnus.com>, on
+how to run tests (in the GCC 2.7 era):
+
+	runtest --tool g++ --srcdir ./testsuite
+
+where 
+
+	runtest	Is the name used to invoke DejaGnu.   If DejaGnu is not
+		install this will be the relative path name for runtest.
+
+	--tool	This tells DejaGnu which tool you are testing. It is
+		mainly used to find the testsuite directories for a
+		particular tool when several testsuites are in the
+		same directory. (like the gcc and g++ testsuites)
+
+	--srcdir This points to the top level of the directory
+		containing the sources of the testsuite. This is
+		./testsuite if you are in the directory that has the
+		testsuite directory.
+
+
+Copyright (C) 1998, 1999, 2000, 2003, 2005 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.