[llvm] [MemProf] Avoid assertion checking loop under NDEBUG (NFC) (PR #138985)

[Snehasish Kumar via llvm-commits]

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@@ -5242,6 +5242,7 @@ bool MemProfContextDisambiguation::applyImport(Module &M) {
           assert(AI != FS->allocs().end());
           auto &AllocNode = *(AI++);
 
+#ifndef NDEBUG
           // Sanity check that the MIB stack ids match between the summary and
           // instruction metadata.
           auto MIBIter = AllocNode.MIBs.begin();
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snehasish wrote:

<!--__GRAPHITE_HTML_TAG_START__--><p class='graphite__hidden'><i>[Re: line +5251]</i></p><!--__GRAPHITE_HTML_TAG_END__-->
I think we can drop this attribute now that it's guarded by the ifdef?
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https://github.com/llvm/llvm-project/pull/138985