fix: asan error

cmake/cmake.define

@@ -97,7 +97,7 @@ ELSE ()
         SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_COVERAGE_COMPILE_FLAGS} ${GCC_COVERAGE_LINK_FLAGS}")
     ENDIF ()
 
-    IF (${SANITIZER} MATCHES "true")
+    IF (${BUILD_SANITIZER})
         SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}     -Werror -Werror=return-type -fPIC -gdwarf-2 -fsanitize=address -fsanitize=undefined -fsanitize-recover=all -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fno-sanitize=shift-base -fno-sanitize=alignment -g3 -Wformat=0")
         SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -Wno-literal-suffix -Werror=return-type -fPIC -gdwarf-2 -fsanitize=address -fsanitize=undefined -fsanitize-recover=all -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fno-sanitize=shift-base -fno-sanitize=alignment -g3 -Wformat=0")
 	      MESSAGE(STATUS "Will compile with Address Sanitizer!")

cmake/cmake.options

@@ -77,6 +77,12 @@ ELSE ()
     ENDIF ()
 ENDIF ()
 
+option(
+    BUILD_SANITIZER
+    "If build addr2line"
+    OFF
+    )
+
 option(
     BUILD_ADDR2LINE
     "If build addr2line"

source/dnode/vnode/src/tsdb/tsdbRead.c

@@ -1940,6 +1940,7 @@ static int32_t doMergeThreeLevelRows(STsdbReader* pReader, STableBlockScanInfo*
   }
 
   ASSERT(0);
+  return -1;
 }
 
 static bool isValidFileBlockRow(SBlockData* pBlockData, SFileBlockDumpInfo* pDumpInfo,