Move runtime transactional memory tests to libitm testsute.

From-SVN: r228489

diff --git a/gcc/testsuite/g++.dg/tm/eh1.C b/libitm/testsuite/libitm.c++/eh-2.C
similarity index 100%
rename from gcc/testsuite/g++.dg/tm/eh1.C
rename to libitm/testsuite/libitm.c++/eh-2.C

diff --git a/gcc/testsuite/g++.dg/tm/eh2.C b/libitm/testsuite/libitm.c++/eh-3.C
similarity index 100%
rename from gcc/testsuite/g++.dg/tm/eh2.C
rename to libitm/testsuite/libitm.c++/eh-3.C

diff --git a/gcc/testsuite/g++.dg/tm/eh4.C b/libitm/testsuite/libitm.c++/eh-4.C
similarity index 100%
rename from gcc/testsuite/g++.dg/tm/eh4.C
rename to libitm/testsuite/libitm.c++/eh-4.C