Make a shorthand target for running the llvm2cpp test suite. This test
suite is disabled by default because of the length of time it takes to
run. To enable it certain command line fu must be used. This patch just
encodes the command line fu as the magical "check-llvm2cpp" target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28626 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index 72f6e93..d917e58 100644
--- a/Makefile
+++ b/Makefile
@@ -87,3 +87,5 @@
 	$(Echo) '*****' make an optimized build.
 endif
 
+check-llvm2cpp:
+	$(MAKE) check TESTSUITE=Feature RUNLLVM2CPP=1