Move tests to the appropriate directory to match the spec hierarchy.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143906 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CXX/expr/expr.prim/p12-0x.cpp b/test/CXX/expr/expr.prim/expr.prim.general/p12-0x.cpp
similarity index 100%
rename from test/CXX/expr/expr.prim/p12-0x.cpp
rename to test/CXX/expr/expr.prim/expr.prim.general/p12-0x.cpp

diff --git a/test/CXX/expr/expr.prim/p4-0x.cpp b/test/CXX/expr/expr.prim/expr.prim.general/p4-0x.cpp
similarity index 100%
rename from test/CXX/expr/expr.prim/p4-0x.cpp
rename to test/CXX/expr/expr.prim/expr.prim.general/p4-0x.cpp