https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265809
Bug ID: 265809
Summary: clang never finishes on one particular C++ file
Product: Base System
Version: 13.1-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: misc
Assignee: b...@freebsd.org
Reporter: y...@freebsd.org
Created attachment 235873
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=235873&action=edit
unity_1935_cxx.cxx.E.cxx.bz2
clang never finishes on the attached (compressed) C++ unit.
The command
> c++ -fno-strict-aliasing -fno-omit-frame-pointer -march=native -O3 -fPIC -c
> unity_1935_cxx.cxx.E.cxx
doesn't finish in hours.
But when -fno-strict-aliasing is removed it finishes within a minute.
> $ c++ --version
> FreeBSD clang version 14.0.5 (https://github.com/llvm/llvm-project.git
> llvmorg-14.0.5-0-gc12386ae247c)
> Target: x86_64-unknown-freebsd13.1
> Thread model: posix
> InstalledDir: /usr/bin
This problem was originally discovered when one C++ module in the psi4 project
(https://github.com/psi4/psi4) never finished to compile.
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