diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -930,7 +930,7 @@
     if (CTy->isAppleBlockExtension())
       addFlag(Buffer, dwarf::DW_AT_APPLE_block);
 
-    if (CTy->getExportSymbols())
+    if (CTy->getExportSymbols() && DD->getDwarfVersion() >= 5)
       addFlag(Buffer, dwarf::DW_AT_export_symbols);
 
     // This is outside the DWARF spec, but GDB expects a DW_AT_containing_type
@@ -1064,7 +1064,7 @@
     Name = "(anonymous namespace)";
   DD->addAccelNamespace(*CUNode, Name, NDie);
   addGlobalName(Name, NDie, NS->getScope());
-  if (NS->getExportSymbols())
+  if (NS->getExportSymbols() && DD->getDwarfVersion() >= 5)
     addFlag(NDie, dwarf::DW_AT_export_symbols);
   return &NDie;
 }
diff --git a/llvm/test/DebugInfo/Generic/export-symbol-anonymous-class.ll b/llvm/test/DebugInfo/Generic/export-symbol-anonymous-class.ll
--- a/llvm/test/DebugInfo/Generic/export-symbol-anonymous-class.ll
+++ b/llvm/test/DebugInfo/Generic/export-symbol-anonymous-class.ll
@@ -38,6 +38,6 @@
 !10 = !{!11}
 !11 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !9, file: !3, line: 3, baseType: !12, size: 32)
 !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!14 = !{i32 2, !"Dwarf Version", i32 4}
+!14 = !{i32 2, !"Dwarf Version", i32 5}
 !15 = !{i32 2, !"Debug Info Version", i32 3}
 !16 = !{!"clang version 10.0.0"}