[LLVMbugs] [Bug 18641] New: clang crashed when using LTO
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Mon Jan 27 20:48:49 PST 2014
http://llvm.org/bugs/show_bug.cgi?id=18641
Bug ID: 18641
Summary: clang crashed when using LTO
Product: clang
Version: trunk
Hardware: PC
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: Modules
Assignee: unassignedclangbugs at nondot.org
Reporter: 191919 at gmail.com
CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
Classification: Unclassified
clang svn trunk gave the following message when linking the executable:
Intrinsic name not mangled correctly for type arguments!
i64 (i8*, i1)* @llvm.objectsize.i64.p0i8
Broken module found, compilation aborted!
Stack dump:
0. Running pass 'Function Pass Manager' on module 'ld-temp.o'.
1. Running pass 'Module Verifier' on function '@XXX_CallbackProc'
clang: error: unable to execute command: Illegal instruction: 4
clang: error: linker command failed due to signal (use -v to see invocation)
then failed.
It worked fine without -flto. The version which came with Xcode 5.0.2 also
works fine.
Please let me know what information is needed for further investigation.
---
clang version:
$ /opt/bin/clang -v
clang version 3.5 (trunk 200285)
Target: x86_64-apple-darwin13.0.0
Thread model: posix
OS version:
$ uname -a
Darwin localhost 13.0.0 Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT
2013; root:xnu-2422.1.72~6/RELEASE_X86_64 x86_64
clang configuration:
$ ../llvm/configure --enable-optimized=YES --enable-assertions=NO --prefix=/opt
--enable-targets=host,x86,arm,aarch64
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