On Thu, Mar 3, 2022 at 9:13 AM Tom Lane <t...@sss.pgh.pa.us> wrote: > Zhihong Yu <z...@yugabyte.com> writes: > > On Thu, Mar 3, 2022 at 8:24 AM Tom Lane <t...@sss.pgh.pa.us> wrote: > >> Oh, I misread this as a compile-time warning, but it must be from ASAN. > >> Was the test case one of your own, or just our normal regression tests? > > > The Jenkins test is ported from > contrib/postgres_fdw/sql/postgres_fdw.sql - > > so theoretically PG would see the same error for clang12 on Alma. > > Hmph. I tried enabling -fsanitize=undefined here, and I get some > complaints about passing null pointers to memcmp and the like, but > nothing about this shift (tested with clang 12.0.1 on RHEL8 as well > as clang 13.0.0 on Fedora 35). What compiler switches are being > used exactly? > > regards, tom lane > Hi, This is from (internal Jenkins) build log:
CMAKE_C_FLAGS -Werror -fno-strict-aliasing -Wall -msse4.2 -Winvalid-pch -pthread -DBOOST_BIND_NO_PLACEHOLDERS -DBOOST_UUID_RANDOM_PROVIDER_FORCE_POSIX -DROCKSDB_PLATFORM_POSIX -DBOOST_ERROR_CODE_HEADER_ONLY -march=ivybridge -mcx16 -DYB_COMPILER_TYPE=clang12 -DYB_COMPILER_VERSION=12.0.1 -DROCKSDB_LIB_IO_POSIX -DSNAPPY -DLZ4 -DZLIB -mno-avx -mno-bmi -mno-bmi2 -mno-fma -D__STDC_FORMAT_MACROS -Wno-deprecated-declarations -DGFLAGS=gflags -Werror=enum-compare -Werror=switch -Werror=return-type -Werror=string-plus-int -Werror=return-stack-address -Werror=implicit-fallthrough -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS -Wthread-safety-analysis -Wshorten-64-to-32 -ggdb -O1 -fno-omit-frame-pointer -DFASTDEBUG -Wno-ambiguous-member-template -Wimplicit-fallthrough -Qunused-arguments -stdlib=libc++ -D_GLIBCXX_EXTERN_TEMPLATE=0 -nostdinc++ -stdlib=libc++ -D_GLIBCXX_EXTERN_TEMPLATE=0 -nostdinc++ -shared-libasan -fsanitize=address -DADDRESS_SANITIZER -fsanitize=undefined -fno-sanitize-recover=all -fno-sanitize=alignment,vptr -fsanitize-recover=float-cast-overflow -fsanitize-blacklist=... -fPIC I would suggest trying out the build on Alma Linux. FYI
