diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index fad1425dd1d..08f80666529 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -567,7 +567,6 @@ void MCStreamer::EmitWin64EHEndProlog() {
 }
 
 void MCStreamer::EmitCOFFSectionIndex(MCSymbol const *Symbol) {
-  llvm_unreachable("This file format doesn't support this directive");
 }
 
 void MCStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) {
diff --git a/test/DebugInfo/X86/coff_debug_info_type.ll b/test/DebugInfo/X86/coff_debug_info_type.ll
index a0b8ccc6eca..a1051c39bff 100644
--- a/test/DebugInfo/X86/coff_debug_info_type.ll
+++ b/test/DebugInfo/X86/coff_debug_info_type.ll
@@ -6,6 +6,8 @@
 ; RUN: llc -mtriple=i686-pc-win32 -filetype=asm -O0 < %s | FileCheck -check-prefix=WIN32 %s
 ; WIN32:    .section .debug$S,"rnd"
 
+; RUN: llc -mtriple=i686-pc-win32 -filetype=null -O0 < %s
+
 ; generated from:
 ; clang -g -S -emit-llvm test.c -o test.ll
 ; int main()