Added a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106063 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 897a19d..4705a0e 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2353,6 +2353,11 @@
if (!WScope->getParent()) {
StringRef SPName = DISubprogram(Scope).getLinkageName();
+ // We used to check only for a linkage name, but that fails
+ // since we began omitting the linkage name for private
+ // functions. The new way is to check for the name in metadata,
+ // but that's not supported in old .ll test cases. Ergo, we
+ // check both.
if (SPName == Asm->MF->getFunction()->getName() ||
DISubprogram(Scope).getFunction() == Asm->MF->getFunction())
CurrentFnDbgScope = WScope;