Move file to be more representative.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157306 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/debug-info-vla-range.cpp b/test/CodeGenCXX/debug-info-flex-member.cpp
similarity index 100%
rename from test/CodeGenCXX/debug-info-vla-range.cpp
rename to test/CodeGenCXX/debug-info-flex-member.cpp