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Fixed it: <a href="https://reviews.llvm.org/D33627" class="">https://reviews.llvm.org/D33627</a>

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<div class="">On 27 May 2017, at 11:21 pm, Nicholas Wilson via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" class="">llvm-dev@lists.llvm.org</a>> wrote:</div>

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Whats the best way to merge two AttributeLists (maintaining semantics after inlining)?

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<div class="">What I have at the moment is </div>

<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>result = <span style="font-family: Menlo; font-size: 11px;" class="">AttributeSet::get(gIR->context(), {a,b});</span></div>

<div class="">but this (completely reliably - no races) segfaults on certain input, but only whenever</div>

<div class="">our logging code is turned OFF (a runtime switch).</div>

<div class="">The attributes when logging is on are </div>

<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>attributes #0 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false” </div>

<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>"no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"=“false"</div>

<div class=""><span class="Apple-tab-span" style="white-space:pre"></span> }</div>

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<div class="">Any advice? </div>

<div class="">Also how do you print an attribute list?</div>

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