[LLVMbugs] [Bug 14701] New: Clangs hangs when using -O2 but not -O{0, 1}
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Sat Dec 22 21:24:44 PST 2012
http://llvm.org/bugs/show_bug.cgi?id=14701
Bug #: 14701
Summary: Clangs hangs when using -O2 but not -O{0,1}
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
AssignedTo: unassignedclangbugs at nondot.org
ReportedBy: assie181 at gmail.com
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
Created attachment 9758
--> http://llvm.org/bugs/attachment.cgi?id=9758
Try "clang -Wall -O2 unrarppm.c" to reproduce the problem.
Clangs hangs when using -O2 but not -O{0,1}. I aborted the compilation after
waiting for more than 8 hours.
To reproduce the problem, try running "clang -Wall -O2 unrarppm.c" (file
attached).
I am attaching the output of "clang -Wall -O0 -emit-llvm -S unrarppm.c" which
is unrarppm.s as well.
I am using the SVN version (r170900) dated 22-DEC-2012.
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