diff --git a/lld/COFF/Driver.cpp b/lld/COFF/Driver.cpp
--- a/lld/COFF/Driver.cpp
+++ b/lld/COFF/Driver.cpp
@@ -90,6 +90,7 @@
   BitcodeFile::instances.clear();
   memset(MergeChunk::instances, 0, sizeof(MergeChunk::instances));
   TpiSource::clear();
+  OutputSection::clear();
 
   return !errorCount();
 }
diff --git a/lld/COFF/Writer.h b/lld/COFF/Writer.h
--- a/lld/COFF/Writer.h
+++ b/lld/COFF/Writer.h
@@ -50,6 +50,9 @@
   void writeHeaderTo(uint8_t *buf);
   void addContributingPartialSection(PartialSection *sec);
 
+  // Clear the output sections static container.
+  static void clear();
+
   // Returns the size of this section in an executable memory image.
   // This may be smaller than the raw size (the raw size is multiple
   // of disk sector size, so there may be padding at end), or may be
diff --git a/lld/COFF/Writer.cpp b/lld/COFF/Writer.cpp
--- a/lld/COFF/Writer.cpp
+++ b/lld/COFF/Writer.cpp
@@ -87,6 +87,8 @@
   return osidx == 0 ? nullptr : outputSections[osidx - 1];
 }
 
+void OutputSection::clear() { outputSections.clear(); }
+
 namespace {
 
 class DebugDirectoryChunk : public NonSectionChunk {