Some code paths normalize ".." and thus don't create the directory. But some execute in a shell thus requiring the directory to exist to be able to take the parent directory. This patch normalizes all the `TARGET_SUBDIR` variables to avoid this issue.
LLVM libc ========= This directory and its subdirectories contain source code for llvm-libc, a retargetable implementation of the C standard library. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.