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new f227472 [chore] fix error while compiling with -O3 (#7890)
f227472 is described below
commit f227472db2d8ec207efac2fc144b08a969acb98f
Author: Henry2SS <45096548+henry...@users.noreply.github.com>
AuthorDate: Wed Jan 26 12:53:56 2022 +0800
[chore] fix error while compiling with -O3 (#7890)
---
be/CMakeLists.txt | 1 +
be/src/vec/common/cow.h | 3 +++
2 files changed, 4 insertions(+)
diff --git a/be/CMakeLists.txt b/be/CMakeLists.txt
index b7cd148..cfe4a46 100644
--- a/be/CMakeLists.txt
+++ b/be/CMakeLists.txt
@@ -347,6 +347,7 @@ if (COMPILER_GCC)
#
https://stackoverflow.com/questions/67584073/gcc-11-false-array-subscript-is-partly-outside-array-bounds-warning
#
https://stackoverflow.com/questions/69426070/gcc-11-order-of-arguments-triggers-false-positive-wstringop-overflow-is-this-bu
set(CXX_COMMON_FLAGS "${CXX_COMMON_FLAGS} -Wno-array-bounds
-Wno-stringop-overread")
+ add_compile_options(-Wno-stringop-overflow)
endif ()
if (COMPILER_CLANG)
diff --git a/be/src/vec/common/cow.h b/be/src/vec/common/cow.h
index 58ae14d..a235c64 100644
--- a/be/src/vec/common/cow.h
+++ b/be/src/vec/common/cow.h
@@ -147,9 +147,12 @@ protected:
return *this;
}
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
intrusive_ptr(intrusive_ptr&& rhs) : t(rhs.t) {
rhs.t = nullptr;
}
+#pragma GCC diagnostic pop
intrusive_ptr& operator=(intrusive_ptr&& rhs) {
intrusive_ptr(static_cast<intrusive_ptr&&>(rhs)).swap(*this);
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