adonis0147 commented on code in PR #11400:
URL: https://github.com/apache/doris/pull/11400#discussion_r935334238
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be/CMakeLists.txt:
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@@ -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:
> Could you please provide the command line how to use the configuration?
It is simple. If we pass multiple optimization levels to gcc, only the last
one takes effect. We can just modify the
[L551](https://github.com/apache/doris/pull/11400/files#diff-3507aac2aff9b5fe5f66d28967f3aa848491d4ced2466f6bf201ab3a97531837L551).
Introduce a new variable and pass it from `build.sh` and `run-be-ut.sh`.
Reference:
> If you use multiple -O options, with or without level numbers, the last
such option is the one that is effective.
[Optimize-Options](https://gcc.gnu.org/onlinedocs/gcc-12.1.0/gcc/Optimize-Options.html#Optimize-Options)
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