[lld] [lld][elf] Skip BP ordering input sections with null data (PR #149265)

[via llvm-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- lld/ELF/BPSectionOrderer.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/lld/ELF/BPSectionOrderer.cpp b/lld/ELF/BPSectionOrderer.cpp
index c471ab163..d360fe1fa 100644
--- a/lld/ELF/BPSectionOrderer.cpp
+++ b/lld/ELF/BPSectionOrderer.cpp
@@ -76,8 +76,8 @@ DenseMap<const InputSectionBase *, int> elf::runBalancedPartitioning(
     if (!d)
       return;
     auto *sec = dyn_cast_or_null<InputSection>(d->section);
-    // Skip empty, discarded, ICF folded sections, .bss. Skipping ICF folded sections
-    // reduces duplicate detection work in BPSectionOrderer.
+    // Skip empty, discarded, ICF folded sections, .bss. Skipping ICF folded
+    // sections reduces duplicate detection work in BPSectionOrderer.
     if (!sec || sec->size == 0 || !sec->isLive() || sec->repl != sec ||
         !orderer.secToSym.try_emplace(sec, d).second || !sec->content().data())
       return;

``````````

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https://github.com/llvm/llvm-project/pull/149265