Index: bindings/go/llvm/dibuilder.go
===================================================================
--- bindings/go/llvm/dibuilder.go
+++ bindings/go/llvm/dibuilder.go
@@ -54,6 +54,7 @@
 	FlagVector
 	FlagStaticMember
 	FlagIndirectVariable
+	FlagVariableNotChanged
 )
 
 type DwarfLang uint32
Index: include/llvm/IR/DebugInfoFlags.def
===================================================================
--- include/llvm/IR/DebugInfoFlags.def
+++ include/llvm/IR/DebugInfoFlags.def
@@ -59,6 +59,7 @@
 HANDLE_DI_FLAG((1 << 27), BigEndian)
 HANDLE_DI_FLAG((1 << 28), LittleEndian)
 HANDLE_DI_FLAG((1 << 29), AllCallsDescribed)
+HANDLE_DI_FLAG((1 << 30), VariableNotChanged)
 
 // To avoid needing a dedicated value for IndirectVirtualBase, we use
 // the bitwise or of Virtual and FwdDecl, which does not otherwise
@@ -68,7 +69,7 @@
 #ifdef DI_FLAG_LARGEST_NEEDED
 // intended to be used with ADT/BitmaskEnum.h
 // NOTE: always must be equal to largest flag, check this when adding new flag
-HANDLE_DI_FLAG((1 << 29), Largest)
+HANDLE_DI_FLAG((1 << 30), Largest)
 #undef DI_FLAG_LARGEST_NEEDED
 #endif
 
Index: include/llvm/IR/DebugInfoMetadata.h
===================================================================
--- include/llvm/IR/DebugInfoMetadata.h
+++ include/llvm/IR/DebugInfoMetadata.h
@@ -2879,6 +2879,7 @@
 
   bool isArtificial() const { return getFlags() & FlagArtificial; }
   bool isObjectPointer() const { return getFlags() & FlagObjectPointer; }
+  bool isNotChanged() const { return getFlags() & FlagVariableNotChanged; }
 
   /// Check that a location is valid for this variable.
   ///