Suppress false positive warnings on GCC 12 (tikv#306)

Signed-off-by: Yilin Chen <[email protected]>
zgcbj · Jul 15, 2022 · 9c86bf5 · 9c86bf5
1 parent 2d03d53
commit 9c86bf5
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -532,6 +532,9 @@ endif()
 
 if(CMAKE_COMPILER_IS_GNUCXX)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-builtin-memcmp")
+  # GCC 12 outputs too many false positive array-bounds warnings. Suppress it
+  # until fixed by the compiler.
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-array-bounds")
 endif()
 
 option(ROCKSDB_LITE "Build RocksDBLite version" OFF)

diff --git a/trace_replay/trace_replay.cc b/trace_replay/trace_replay.cc
@@ -317,7 +317,7 @@ Status TracerHelper::DecodeTraceRecord(Trace* trace, int trace_file_version,
       cf_ids.reserve(multiget_size);
       multiget_keys.reserve(multiget_size);
       for (uint32_t i = 0; i < multiget_size; i++) {
-        uint32_t tmp_cfid;
+        uint32_t tmp_cfid = 0;
         Slice tmp_key;
         GetFixed32(&cfids_payload, &tmp_cfid);
         GetLengthPrefixedSlice(&keys_payload, &tmp_key);