Builtins (#4594)

automerge

sdk/bpf/rust-utils/build.sh

@@ -22,6 +22,10 @@ set -e
 # Ensure the sdk is installed
 "$bpf_sdk"/scripts/install.sh
 
+# Use the SDK's version of llvm to build the compiler-builtins for BPF
+export CC="$bpf_sdk/llvm-native/bin/clang"
+export AR="$bpf_sdk/llvm-native/bin/llvm-ar"
+# Use the SDK's version of Rust to build for BPF
 export RUSTUP_TOOLCHAIN=bpf
 export RUSTFLAGS="
     --emit=llvm-ir \

sdk/bpf/rust-utils/src/lib.rs

@@ -3,6 +3,10 @@
 #![no_std]
 #![feature(allocator_api)]
 #![feature(alloc_error_handler)]
+#![feature(panic_info_message)]
+#![feature(compiler_builtins_lib)]
+
+extern crate compiler_builtins;
 
 pub mod alloc;
 pub mod entrypoint;