https://bugs.llvm.org/show_bug.cgi?id=50646
Bug ID: 50646
Summary: LLD crashes when linking libcryptopp with -O2 -flto
Product: lld
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: ELF
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Created attachment 24934
--> https://bugs.llvm.org/attachment.cgi?id=24934&action=edit
Build log
Hello, building the library with -O2 and -flto causes the lld to crash. Using
exclusively either -O2 or -flto works just well. I remember that I ran into
this problem a couple of months ago already using older lld too.
Source:
https://github.com/weidai11/cryptopp
Evironment:
$ clang --version
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
9b92ae01ee57e332e52d14c073fa3235498a9f2c)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
$ uname -a
Linux vps 5.4.0-74-generic #83-Ubuntu SMP Sat May 8 02:35:39 UTC 2021 x86_64
x86_64 x86_64 GNU/Linux
Build commands:
CFLAGS='-O2 -flto' CXXFLAGS='-O2 -flto' LDFLAGS='-flto' CC=clang CXX=clang++
make shared 2>&1 | tee buildlog_O2_flto
Buildlog is attached
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