[wasm] Int64Lowering of I64Div and I64Rem.

src/compiler/wasm-compiler.h

Index: src/compiler/wasm-compiler.h
diff --git a/src/compiler/wasm-compiler.h b/src/compiler/wasm-compiler.h
index 2322be43f0a6cc62acdf7c29c55ebaf8c3bb8cbb..85534b071ab8aadf6ac16b93144c33b6997ec2dc 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -225,6 +225,13 @@ class WasmGraphBuilder {
   Node* BuildI64SConvertF64(Node* input);
   Node* BuildI64UConvertF64(Node* input);
 
+  Node* BuildI64DivS(Node* left, Node* right);
+  Node* BuildI64RemS(Node* left, Node* right);
+  Node* BuildI64DivU(Node* left, Node* right);
+  Node* BuildI64RemU(Node* left, Node* right);
+  Node* BuildDiv64Call(Node* left, Node* right, ExternalReference ref,
+                       MachineType result_type, int trap_zero);
+
   Node** Realloc(Node** buffer, size_t count) {
     Node** buf = Buffer(count);
     if (buf != buffer) memcpy(buf, buffer, count * sizeof(Node*));