[llvm-bugs] [Bug 44396] New: llvm crashes on C++ code on i386 architecture on the project 'gpsim'

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Dec 28 11:20:57 PST 2019


            Bug ID: 44396
           Summary: llvm crashes on C++ code on i386 architecture on the
                    project 'gpsim'
           Product: clang
           Version: 9.0
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: yuri at tsoft.com
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

Clang/LLVM 9.0 crash when it compiles the FreeBSD port misc/gpsim (version
0.31.0) which is this SourceForge project: http://gpsim.sourceforge.net/#src

This seems to only happen with i386/clang-9 combination.

The FreeBSD build log:
(IPv6 URL)

---excerpt from the above log---
.       <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module 'gui_scope.cc'.
4.      Running pass 'X86 EFLAGS copy lowering' on function
#0 0x038a9ff4 (/usr/bin/c+++0x38a9ff4)
#1 0x038aa3fe (/usr/bin/c+++0x38aa3fe)
#2 0x038a806e (/usr/bin/c+++0x38a806e)
#3 0x038aa95c (/usr/bin/c+++0x38aa95c)
#4 0x249da759 (/lib/libthr.so.3+0x12759)
c++: error: unable to execute command: Abort trap (core dumped)
c++: error: clang frontend command failed due to signal (use -v to see
FreeBSD clang version 9.0.1 (git at github.com:llvm/llvm-project.git
c1a0a213378a458fbea1a5c77b315c7dce08fd05) (based on LLVM 9.0.1)

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