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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - -DLLVM_REVERSE_ITERATION:BOOL=ON in stage2 produces file comparison failures with stage3"
href="https://bugs.llvm.org/show_bug.cgi?id=34956">34956</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>-DLLVM_REVERSE_ITERATION:BOOL=ON in stage2 produces file comparison failures with stage3
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Macintosh
</td>
</tr>
<tr>
<th>OS</th>
<td>MacOS X
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>howarth.mailing.lists@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>When building a stage2 compiler from llvm trunk using
-DLLVM_REVERSE_ITERATION:BOOL=ON and then a stage3 compiler with
-DLLVM_REVERSE_ITERATION:BOOL=OFF, the stage2/stage3 object file comparison
produces many failures.
UNRESOLVED DIFFS (stage2 vs. stage3):
include/llvm/Config/abi-breaking.h
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AliasAnalysis.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AssumptionCache.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/BasicAliasAnalysis.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/BlockFrequencyInfo.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/BlockFrequencyInfoImpl.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/BranchProbabilityInfo.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CFG.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CFLAndersAliasAnalysis.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CFLSteensAliasAnalysis.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CGSCCPassManager.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CallGraphSCCPass.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CaptureTracking.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CodeMetrics.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o
lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DemandedBits.cpp.o
...
This behavior is very reproducible but only when
-DLLVM_REVERSE_ITERATION:BOOL=ON is involved in the stage2 build.</pre>
</div>
</p>
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