Index: lld/test/COFF/pdb.test
===================================================================
--- lld/test/COFF/pdb.test
+++ lld/test/COFF/pdb.test
@@ -274,7 +274,7 @@
 RAW-NEXT:                 IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ
 RAW-NEXT:   SC[.pdata]  | mod = 0, 0003:0000, size = 12, data crc = 361370162, reloc crc = 0
 RAW-NEXT:                 IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_ALIGN_4BYTES | IMAGE_SCN_MEM_READ
-RAW-NEXT:   SC[???]     | mod = 0, 0004:0000, size = {{[0-9]+}}, data crc = 264583633, reloc crc = 0
+RAW-NEXT:   SC[.xdata]  | mod = 0, 0004:0000, size = {{[0-9]+}}, data crc = 264583633, reloc crc = 0
 RAW-NEXT:                 IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_ALIGN_4BYTES | IMAGE_SCN_MEM_READ
 RAW-NOT: SC[
 RAW:                             Section Map
Index: llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
===================================================================
--- llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
+++ llvm/tools/llvm-pdbutil/DumpOutputStyle.cpp
@@ -491,7 +491,7 @@
                                ArrayRef<std::string> SectionNames,
                                uint32_t FieldWidth) {
   std::string NameInsert;
-  if (SC.ISect > 0 && SC.ISect < SectionNames.size()) {
+  if (SC.ISect > 0 && SC.ISect <= SectionNames.size()) {
     StringRef SectionName = SectionNames[SC.ISect - 1];
     NameInsert = formatv("[{0}]", SectionName).str();
   } else