Rename test file to be more accurate (& free up the file name for a more appropriate...

llvm-svn: 227662

diff --git a/clang/test/CodeGen/debug-info-line.c b/clang/test/CodeGen/debug-info-file-change.c
similarity index 100%
rename from clang/test/CodeGen/debug-info-line.c
rename to clang/test/CodeGen/debug-info-file-change.c