Type:
Bug
Priority:
Blocker
Resolution:
Fixed
Affects Version/s:
N/A
The ancient GCC 4.8.5 cannot create ARMv8 code again , starting with MDEV-27774 :
10.8 a635c40648519fd6c3729c9657872a16a0a20821
/home/buildbot/aarch64-centos-7-bintar-initd/build/storage/innobase/buf/buf0flu.cc: In function 'void buf_flush_page_cleaner()':
/home/buildbot/aarch64-centos-7-bintar-initd/build/storage/innobase/buf/buf0flu.cc:2400:1: error: could not split insn
}
^
…
/home/buildbot/aarch64-centos-7-bintar-initd/build/storage/innobase/buf/buf0flu.cc:2400:1: internal compiler error: in final_scan_insn, at final.c:2897
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugzilla.redhat.com/bugzilla> for instructions.
Preprocessed source stored into /tmp/ccNWcq6g.out file, please attach this to your bugreport.
If I remember correctly, Red Hat would tell that GCC 4.8.5 is not supported anymore. So, we will probably have to add some work-around like in MDEV-26467 in order to disable some optimizations when targeting ARMv8 with GCC 4.8.5.
relates to
MDEV-27774
Reduce scalability bottlenecks in mtr_t::commit()
Closed
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