Index: llvm/include/llvm/ObjectYAML/ELFYAML.h
===================================================================
--- llvm/include/llvm/ObjectYAML/ELFYAML.h
+++ llvm/include/llvm/ObjectYAML/ELFYAML.h
@@ -102,7 +102,6 @@
 
 struct Symbol {
   StringRef Name;
-  Optional<uint32_t> NameIndex;
   ELF_STT Type;
   StringRef Section;
   Optional<ELF_SHN> Index;
@@ -110,6 +109,8 @@
   llvm::yaml::Hex64 Value;
   llvm::yaml::Hex64 Size;
   Optional<uint8_t> Other;
+
+  Optional<uint32_t> StName;
 };
 
 struct SectionOrType {
Index: llvm/lib/ObjectYAML/ELFEmitter.cpp
===================================================================
--- llvm/lib/ObjectYAML/ELFEmitter.cpp
+++ llvm/lib/ObjectYAML/ELFEmitter.cpp
@@ -543,8 +543,8 @@
     // If NameIndex, which contains the name offset, is explicitly specified, we
     // use it. This is useful for preparing broken objects. Otherwise, we add
     // the specified Name to the string table builder to get its offset.
-    if (Sym.NameIndex)
-      Symbol.st_name = *Sym.NameIndex;
+    if (Sym.StName)
+      Symbol.st_name = *Sym.StName;
     else if (!Sym.Name.empty())
       Symbol.st_name = Strtab.getOffset(ELFYAML::dropUniqueSuffix(Sym.Name));
 
Index: llvm/lib/ObjectYAML/ELFYAML.cpp
===================================================================
--- llvm/lib/ObjectYAML/ELFYAML.cpp
+++ llvm/lib/ObjectYAML/ELFYAML.cpp
@@ -984,7 +984,7 @@
 
 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
   IO.mapOptional("Name", Symbol.Name, StringRef());
-  IO.mapOptional("NameIndex", Symbol.NameIndex);
+  IO.mapOptional("StName", Symbol.StName);
   IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
   IO.mapOptional("Section", Symbol.Section, StringRef());
   IO.mapOptional("Index", Symbol.Index);
@@ -1006,8 +1006,6 @@
                                                    ELFYAML::Symbol &Symbol) {
   if (Symbol.Index && Symbol.Section.data())
     return "Index and Section cannot both be specified for Symbol";
-  if (Symbol.NameIndex && !Symbol.Name.empty())
-    return "Name and NameIndex cannot both be specified for Symbol";
   return StringRef();
 }
 
Index: llvm/test/tools/yaml2obj/ELF/symbol-name.yaml
===================================================================
--- llvm/test/tools/yaml2obj/ELF/symbol-name.yaml
+++ llvm/test/tools/yaml2obj/ELF/symbol-name.yaml
@@ -16,15 +16,44 @@
   Type:      ET_REL
   Machine:   EM_X86_64
 Symbols:
-  - Name:      test
-  - NameIndex: 1
-  - NameIndex: 2
-  - Name:      1
-  - Name:      2
+  - Name:   test
+  - StName: 1
+  - StName: 2
+  - Name:   1
+  - Name:   2
 
-## Check we do not allow specifying both Name and NameIndex at once.
-# RUN: not yaml2obj --docnum=2 %s 2>&1 | FileCheck %s --check-prefix=ERR
-# ERR: error: Name and NameIndex cannot both be specified for Symbol
+## Check we allow specifying both Name and NameIndex at once.
+## In this case StName has a priority, but symbol Name is still added
+## to the string symbol table.
+
+# RUN: yaml2obj --docnum=2 %s -o %t2
+# RUN: llvm-readobj --symbols --sections --section-data %t2 | FileCheck %s --check-prefix=BOTH
+
+# BOTH:      Name: .strtab
+# BOTH:      SectionData (
+# BOTH-NEXT:   0000: 00666F6F 00 |.foo.|
+# BOTH-NEXT: )
+
+# BOTH:      Symbols [
+# BOTH-NEXT:   Symbol {
+# BOTH-NEXT:     Name:  (0)
+# BOTH-NEXT:     Value: 0x0
+# BOTH-NEXT:     Size: 0
+# BOTH-NEXT:     Binding: Local (0x0)
+# BOTH-NEXT:     Type: None (0x0)
+# BOTH-NEXT:     Other: 0
+# BOTH-NEXT:     Section: Undefined (0x0)
+# BOTH-NEXT:   }
+# BOTH-NEXT:   Symbol {
+# BOTH-NEXT:     Name:  (0)
+# BOTH-NEXT:     Value: 0x0
+# BOTH-NEXT:     Size: 0
+# BOTH-NEXT:     Binding: Local (0x0)
+# BOTH-NEXT:     Type: None (0x0)
+# BOTH-NEXT:     Other: 0
+# BOTH-NEXT:     Section: Undefined (0x0)
+# BOTH-NEXT:   }
+# BOTH-NEXT: ]
 
 --- !ELF
 FileHeader:
@@ -33,5 +62,5 @@
   Type:      ET_REL
   Machine:   EM_X86_64
 Symbols:
-  - Name:      foo
-    NameIndex: 0
+  - Name:   foo
+    StName: 0