Bump bpf-tools version to 1.9

- upgrade rustc to 1.52.1 and clang to 12.0

sdk/bpf/scripts/install.sh

@@ -92,7 +92,7 @@ if [[ ! -e criterion-$version.md || ! -e criterion ]]; then
 fi
 
 # Install Rust-BPF
-version=v1.8
+version=v1.9
 if [[ ! -e bpf-tools-$version.md || ! -e bpf-tools ]]; then
   (
     set -e

sdk/cargo-build-bpf/src/main.rs

@@ -360,7 +360,7 @@ fn build_bpf_package(config: &Config, target_directory: &Path, package: &cargo_m
     install_if_missing(
         &config,
         "bpf-tools",
-        "v1.8",
+        "v1.9",
         "https://github.com/solana-labs/bpf-tools/releases/download",
         &PathBuf::from(bpf_tools_filename),
     )

sdk/program/src/hash.rs

@@ -135,7 +135,7 @@ pub fn hashv(vals: &[&[u8]]) -> Hash {
     {
         extern "C" {
             fn sol_sha256(vals: *const u8, val_len: u64, hash_result: *mut u8) -> u64;
-        };
+        }
         let mut hash_result = [0; HASH_BYTES];
         unsafe {
             sol_sha256(

sdk/program/src/keccak.rs

@@ -133,7 +133,7 @@ pub fn hashv(vals: &[&[u8]]) -> Hash {
     {
         extern "C" {
             fn sol_keccak256(vals: *const u8, val_len: u64, hash_result: *mut u8) -> u64;
-        };
+        }
         let mut hash_result = [0; HASH_BYTES];
         unsafe {
             sol_keccak256(

sdk/program/src/pubkey.rs

@@ -227,7 +227,7 @@ impl Pubkey {
                     program_id_addr: *const u8,
                     address_bytes_addr: *const u8,
                 ) -> u64;
-            };
+            }
             let mut bytes = [0; 32];
             let result = unsafe {
                 sol_create_program_address(
@@ -309,7 +309,7 @@ impl Pubkey {
                     address_bytes_addr: *const u8,
                     bump_seed_addr: *const u8,
                 ) -> u64;
-            };
+            }
             let mut bytes = [0; 32];
             let mut bump_seed = std::u8::MAX;
             let result = unsafe {
@@ -342,7 +342,7 @@ impl Pubkey {
         {
             extern "C" {
                 fn sol_log_pubkey(pubkey_addr: *const u8);
-            };
+            }
             unsafe { sol_log_pubkey(self.as_ref() as *const _ as *const u8) };
         }