diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -791,7 +791,7 @@
   Version FrontVer = parseVersion(CompilerVersion);
   OS.AddComment("Frontend version");
   for (int N = 0; N < 4; ++N)
-    OS.emitInt16(FrontVer.Part[N]);
+    OS.emitInt32(FrontVer.Part[N]);
 
   // Some Microsoft tools, like Binscope, expect a backend version number of at
   // least 8.something, so we'll coerce the LLVM version into a form that