[LLVMbugs] [Bug 15522] Loop Optimizer Problems

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=15522

Matti Niemenmaa <matti.niemenmaa+llvmbugs at iki.fi> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |matti.niemenmaa+llvmbugs at ik
                   |                            |i.fi
         Resolution|---                         |INVALID

--- Comment #1 from Matti Niemenmaa <matti.niemenmaa+llvmbugs at iki.fi> ---
buf only has 2 elements so using *pi (i.e. buf[2], the third element of buf) is
undefined behaviour. Change the code to say 'long buf[3]' and it works fine
even with -O3.

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