[interpreter] Fix return address when entering exception handler.

src/mips/builtins-mips.cc

Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index faae37c7ca6275a0c4f64ce0dccc5160d7f32452..a7f6ead39318478b3d76c8a729a0acaf2bac7da2 100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -1140,6 +1140,12 @@ void Builtins::Generate_InterpreterNotifyLazyDeoptimized(MacroAssembler* masm) {
 
 
 void Builtins::Generate_InterpreterEnterExceptionHandler(MacroAssembler* masm) {
+  // Set the address of the interpreter entry trampoline as a return address.
+  // This simulates the initial call to bytecode handlers in interpreter entry
+  // trampoline. The return will never actually be taken, but our stack walker
+  // uses this address to determine whether a frame is interpreted.
+  __ li(ra, Operand(masm->isolate()->builtins()->InterpreterEntryTrampoline()));
+
   Generate_EnterBytecodeDispatch(masm);
 }