Merge rust-lang#9

9: A couple of bits r=ltratt a=vext01



Co-authored-by: Edd Barrett <[email protected]>

Author: bors[bot]

.editorconfig

@@ -0,0 +1,5 @@
+root = true
+
+[*.{cpp,cc,c,h}]
+indent_style = space
+indent_size = 2

yk_format_new_files.sh

@@ -3,7 +3,7 @@
 # Format any new files that we have added in our fork.
 
 # The LLVM version tag we are forked from.
-FORKED_LLVM_VERSION=llvmorg-13.0.0
+FORKED_LLVM_VERSION=`git describe --abbrev=0 --match 'llvmorg-*'`
 
 git diff --name-only --diff-filter=A ${FORKED_LLVM_VERSION} \
     `git branch --show-current` | egrep '\.(cpp|h)$' | xargs clang-format -i