diff --git a/llvm/lib/MC/MCSectionMachO.cpp b/llvm/lib/MC/MCSectionMachO.cpp
--- a/llvm/lib/MC/MCSectionMachO.cpp
+++ b/llvm/lib/MC/MCSectionMachO.cpp
@@ -26,7 +26,7 @@
   StringLiteral AssemblerName, EnumName;
 } SectionTypeDescriptors[MachO::LAST_KNOWN_SECTION_TYPE + 1] = {
     {StringLiteral("regular"), StringLiteral("S_REGULAR")}, // 0x00
-    {StringLiteral(""), StringLiteral("S_ZEROFILL")},       // 0x01
+    {StringLiteral("zerofill"), StringLiteral("S_ZEROFILL")}, // 0x01
     {StringLiteral("cstring_literals"),
      StringLiteral("S_CSTRING_LITERALS")}, // 0x02
     {StringLiteral("4byte_literals"),
diff --git a/llvm/test/CodeGen/AArch64/clang-section-macho.ll b/llvm/test/CodeGen/AArch64/clang-section-macho.ll
--- a/llvm/test/CodeGen/AArch64/clang-section-macho.ll
+++ b/llvm/test/CodeGen/AArch64/clang-section-macho.ll
@@ -9,3 +9,14 @@
 
 ; CHECK:      .section	__TEXT,__mytext
 ; CHECK-NEXT: .globl	_foo
+
+
+define dso_local void @bar() #1 {
+entry:
+  ret void
+}
+
+attributes #1 = { "implicit-section-name"="__EDATA,zerofill" }
+
+; CHECK:      .section	__EDATA,zerofill
+; CHECK-NEXT: .globl	_bar