diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp
index 1635808..63d22d8 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFDebugLine.cpp
@@ -42,8 +42,8 @@
      << format("     opcode_base: %u\n", OpcodeBase);
 
   for (uint32_t i = 0; i < StandardOpcodeLengths.size(); ++i)
-    OS << format("standard_opcode_lengths[%s] = %u\n",
-                 LNStandardString(i + 1).data(), StandardOpcodeLengths[i]);
+    OS << format("standard_opcode_lengths[%s] = %u\n", LNStandardString(i + 1),
+                 StandardOpcodeLengths[i]);
 
   if (!IncludeDirectories.empty())
     for (uint32_t i = 0; i < IncludeDirectories.size(); ++i)