1 files changed, 10 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/contrib/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index fa939ae..ffde7f8 100644
--- a/contrib/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/contrib/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -494,6 +494,11 @@ void GCOVProfiler::emitProfileNotes() {
     // LTO, we'll generate the same .gcno files.
 
     auto *CU = cast<DICompileUnit>(CU_Nodes->getOperand(i));
+
+    // Skip module skeleton (and module) CUs.
+    if (CU->getDWOId())
+      continue;
+
     std::error_code EC;
     raw_fd_ostream out(mangleName(CU, "gcno"), EC, sys::fs::F_None);
     std::string EdgeDestinations;
@@ -853,6 +858,11 @@ Function *GCOVProfiler::insertCounterWriteout(
   if (CU_Nodes) {
     for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
       auto *CU = cast<DICompileUnit>(CU_Nodes->getOperand(i));
+
+      // Skip module skeleton (and module) CUs.
+      if (CU->getDWOId())
+        continue;
+
       std::string FilenameGcda = mangleName(CU, "gcda");
       uint32_t CfgChecksum = FileChecksums.empty() ? 0 : FileChecksums[i];
       Builder.CreateCall(StartFile,