https://llvm.org/bugs/show_bug.cgi?id=31491
Bug ID: 31491
Summary: NewGVN cause clang to crash when compiling neon
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: lukebe...@hotmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 17787
--> https://llvm.org/bugs/attachment.cgi?id=17787&action=edit
Reproducer .c
Steps to reproduce:
1. Download neon 0.30.0, http://www.webdav.org/neon/
2. export CFLAGS="-O3 -march=native -mllvm -enable-newgvn"
3. ./autogen.sh &&& ./configure && make
Output:
/include/mit-krb5 -I.. -DNE_PRIVATE=extern -O3 -march=native -mllvm
-enable-newgvn -prefer-pic -c ne_auth.c -o ne_auth.lo
clang-4.0: error: unable to execute command: Killed
clang-4.0: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 4.0.0 (trunk 290647)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
clang-4.0: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang-4.0: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-4.0: note: diagnostic msg: /tmp/ne_auth-4a6c83.c
clang-4.0: note: diagnostic msg: /tmp/ne_auth-4a6c83.sh
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