adonis0147 commented on code in PR #11400:
URL: https://github.com/apache/doris/pull/11400#discussion_r935067088


##########
be/CMakeLists.txt:
##########
@@ -517,7 +517,7 @@ set(CXX_FLAGS_DEBUG "${CXX_GCC_FLAGS} -O0")
 #   -O3: Enable all compiler optimizations
 #   -DNDEBUG: Turn off dchecks/asserts/debug only code.
 set(CXX_FLAGS_RELEASE "${CXX_GCC_FLAGS} -O3 -DNDEBUG")
-SET(CXX_FLAGS_ASAN "${CXX_GCC_FLAGS} -O0 -fsanitize=address 
-DADDRESS_SANITIZER")
+SET(CXX_FLAGS_ASAN "${CXX_GCC_FLAGS} -O3 -fsanitize=address 
-DADDRESS_SANITIZER")

Review Comment:
   `O3` may bring some obstacles to debug. What about `Og`?



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