Add 'compiler/rustc_codegen_cranelift/' from commit '793d26047f'

git-subtree-dir: compiler/rustc_codegen_cranelift
git-subtree-mainline: cf798c1ec6
git-subtree-split: 793d26047f

compiler/rustc_codegen_cranelift/cargo.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+if [ -z $CHANNEL ]; then
+export CHANNEL='release'
+fi
+
+pushd $(dirname "$0") >/dev/null
+source scripts/config.sh
+
+# read nightly compiler from rust-toolchain file
+TOOLCHAIN=$(cat rust-toolchain)
+
+popd >/dev/null
+
+cmd=$1
+shift
+
+if [[ "$cmd" = "jit" ]]; then
+cargo +${TOOLCHAIN} rustc $@ -- --jit
+else
+cargo +${TOOLCHAIN} $cmd $@
+fi