[builtins] support exception handling in TFJ builtins

src/compiler/code-assembler.h

Index: src/compiler/code-assembler.h
diff --git a/src/compiler/code-assembler.h b/src/compiler/code-assembler.h
index a8e27ec9292dc2a6e3eecabb75e1d0c81193fd66..ec2fd8ba8c238104d387ccc5e8ea6d5a088f6855 100644
--- a/src/compiler/code-assembler.h
+++ b/src/compiler/code-assembler.h
@@ -409,6 +409,11 @@ class CodeAssembler {
   // Branching helpers.
   void BranchIf(Node* condition, Label* if_true, Label* if_false);
 
+  void BranchIfSuccess(Node* node, Label* if_success, Label* if_exception,
+                       Variable* exception_var = nullptr);
+  void GotoIfException(Node* node, Label* if_exception,
+                       Variable* exception_var = nullptr);
+
 #define BRANCH_HELPER(name)                                                \
   void BranchIf##name(Node* a, Node* b, Label* if_true, Label* if_false) { \
     BranchIf(name(a, b), if_true, if_false);                               \