https://llvm.org/bugs/show_bug.cgi?id=26573
Bug ID: 26573
Summary: R257164 Causing Segfault in Firebird and LibreOffice
in "Combine redundant instructions" pass
Product: new-bugs
Version: 3.8
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: lukebe...@hotmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 15879
--> https://llvm.org/bugs/attachment.cgi?id=15879&action=edit
Firebird build log
I discovered this bug when I upgraded to 257311 using the official Ubuntu 14.04
nightly packages. After the upgrade, clang would crash in the "Combine
redundant instructions" pass. I was able to bisect this regression down to
257164 with my own builds of clang.
Steps to reproduce:
1. $ git clone git://anongit.freedesktop.org/libreoffice/core
2. $ git checkout libreoffice-5-1 (optional, master fails with same errors)
3. $ apt-get build-dep libreoffice ( also lo_usefull Shell Script if missing
dep)
4. create file autogen.input with CC=clang and CXX=clang++
5 ./autogen.sh && make
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