Compile bitcode with llvm-14

.circleci/config.yml

@@ -6,7 +6,7 @@ orbs:
 parameters:
   image_suffix:
     type: string
-    default: '-v186a1be'
+    default: '-dev-aa82c25'
   pg13_version:
     type: string
     default: '13.8'

ci/build-citus.sh

@@ -33,7 +33,7 @@ build_ext() {
   # do everything in a subdirectory to avoid clutter in current directory
   mkdir -p "${builddir}" && cd "${builddir}"
 
-  CFLAGS=-Werror "${basedir}/configure" PG_CONFIG="/usr/lib/postgresql/${pg_major}/bin/pg_config" --enable-coverage --with-security-flags
+  CFLAGS=-Werror "${basedir}/configure" PG_CONFIG="/usr/lib/postgresql/${pg_major}/bin/pg_config" --enable-coverage --with-security-flags     LLVM_CONFIG=llvm-config-14 CLANG=clang-14
 
   installdir="${builddir}/install"
   make -j$(nproc) && mkdir -p "${installdir}" && { make DESTDIR="${installdir}" install-all || make DESTDIR="${installdir}" install ; }

src/backend/distributed/executor/query_stats.c

@@ -312,6 +312,8 @@ CitusQueryStatsShmemShutdown(int code, Datum arg)
 		return;
 	}
 
+	int32 num_entries = hash_get_num_entries(queryStatsHash);
+
 	FILE *file = AllocateFile(CITUS_STATS_DUMP_FILE ".tmp", PG_BINARY_W);
 	if (file == NULL)
 	{
@@ -323,8 +325,6 @@ CitusQueryStatsShmemShutdown(int code, Datum arg)
 		goto error;
 	}
 
-	int32 num_entries = hash_get_num_entries(queryStatsHash);
-
 	if (fwrite(&num_entries, sizeof(int32), 1, file) != 1)
 	{
 		goto error;