http://llvm.org/bugs/show_bug.cgi?id=6525
Summary: possible wrong code bug
Product: new-bugs
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Created an attachment (id=4403)
--> (http://llvm.org/bugs/attachment.cgi?id=4403)
failure-inducing testcase
The -O2 result is definitely the right one. See using r97881 on Ubuntu 9.10 on
x86.
reg...@john-home:~/volatile/bugs/tmp278$ clang -O2 small.c -o small
reg...@john-home:~/volatile/bugs/tmp278$ ./small
0
reg...@john-home:~/volatile/bugs/tmp278$ clang -O3 small.c -o small
reg...@john-home:~/volatile/bugs/tmp278$ ./small
1
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