Index: include/llvm/ObjectYAML/WasmYAML.h
===================================================================
--- include/llvm/ObjectYAML/WasmYAML.h
+++ include/llvm/ObjectYAML/WasmYAML.h
@@ -69,8 +69,8 @@
   ExportKind Kind;
   union {
     uint32_t SigIndex;
-    Global Global;
-    Table Table;
+    Global GlobalImport;
+    Table TableImport;
     Limits Memory;
   };
 };
Index: lib/ObjectYAML/WasmYAML.cpp
===================================================================
--- lib/ObjectYAML/WasmYAML.cpp
+++ lib/ObjectYAML/WasmYAML.cpp
@@ -265,10 +265,10 @@
   if (Import.Kind == wasm::WASM_EXTERNAL_FUNCTION) {
     IO.mapRequired("SigIndex", Import.SigIndex);
   } else if (Import.Kind == wasm::WASM_EXTERNAL_GLOBAL) {
-    IO.mapRequired("GlobalType", Import.Global.Type);
-    IO.mapRequired("GlobalMutable", Import.Global.Mutable);
+    IO.mapRequired("GlobalType", Import.GlobalImport.Type);
+    IO.mapRequired("GlobalMutable", Import.GlobalImport.Mutable);
   } else if (Import.Kind == wasm::WASM_EXTERNAL_TABLE) {
-    IO.mapRequired("Table", Import.Table);
+    IO.mapRequired("Table", Import.TableImport);
   } else if (Import.Kind == wasm::WASM_EXTERNAL_MEMORY ) {
     IO.mapRequired("Memory", Import.Memory);
   } else {
Index: tools/obj2yaml/wasm2yaml.cpp
===================================================================
--- tools/obj2yaml/wasm2yaml.cpp
+++ tools/obj2yaml/wasm2yaml.cpp
@@ -108,11 +108,11 @@
           Im.SigIndex = Import.SigIndex;
           break;
         case wasm::WASM_EXTERNAL_GLOBAL:
-          Im.Global.Type = Import.Global.Type;
-          Im.Global.Mutable = Import.Global.Mutable;
+          Im.GlobalImport.Type = Import.Global.Type;
+          Im.GlobalImport.Mutable = Import.Global.Mutable;
           break;
         case wasm::WASM_EXTERNAL_TABLE:
-          Im.Table = make_table(Import.Table);
+          Im.TableImport = make_table(Import.Table);
           break;
         case wasm::WASM_EXTERNAL_MEMORY:
           Im.Memory = make_limits(Import.Memory);
Index: tools/yaml2obj/yaml2wasm.cpp
===================================================================
--- tools/yaml2obj/yaml2wasm.cpp
+++ tools/yaml2obj/yaml2wasm.cpp
@@ -169,15 +169,15 @@
       encodeULEB128(Import.SigIndex, OS);
       break;
     case wasm::WASM_EXTERNAL_GLOBAL:
-      encodeSLEB128(Import.Global.Type, OS);
-      writeUint8(OS, Import.Global.Mutable);
+      encodeSLEB128(Import.GlobalImport.Type, OS);
+      writeUint8(OS, Import.GlobalImport.Mutable);
       break;
     case wasm::WASM_EXTERNAL_MEMORY:
       writeLimits(Import.Memory, OS);
       break;
     case wasm::WASM_EXTERNAL_TABLE:
-      encodeSLEB128(Import.Table.ElemType, OS);
-      writeLimits(Import.Table.TableLimits, OS);
+      encodeSLEB128(Import.TableImport.ElemType, OS);
+      writeLimits(Import.TableImport.TableLimits, OS);
       break;
     default:
       errs() << "Unknown import type: " << Import.Kind;