<div dir="ltr">+Saar for all things concepts.<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 24 Mar 2020 at 13:23, Johnson, Troy via cfe-dev <<a href="mailto:cfe-dev@lists.llvm.org">cfe-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">




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The test fails about 1 in 10 or 20 runs when I execute it via llvm-lit repeatedly in a shell loop.  It encounters a null pointer dereference in this code in clang/lib/AST/StmtProfile.cpp:<br>
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<span>void StmtProfiler::VisitConceptSpecializationExpr(<br>
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<div>                                           const ConceptSpecializationExpr *S) {<br>
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<div>  VisitExpr(S);<br>
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<div>  VisitDecl(S->getFoundDecl());<br>
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<div>  VisitTemplateArguments(S->getTemplateArgsAsWritten()->getTemplateArgs(),<br>
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<div>                         S->getTemplateArgsAsWritten()->NumTemplateArgs);<br>
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<span>}</span></div>
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The S->getTemplateArgsAsWritten() call returns null.</div>
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I have not been able to determine why the behavior is intermittent.  Is there someone more familiar with this code who has an idea?<br>
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-Troy<br>
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