[vm/bytecode] Add DebugCheck to stop at return statement before executing finally blocks

Fixes service/debugging_inlined_finally_test in bytecode mode.

Change-Id: I323c3db7a5c31b840d178daffa65d0281e072a21
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/114588
Reviewed-by: Régis Crelier <[email protected]>

Author: alexmarkov

pkg/vm/lib/bytecode/gen_bytecode.dart

@@ -3571,6 +3571,10 @@ class BytecodeGenerator extends RecursiveVisitor<Null> {
       _generateNode(expr);
       _genReturnTOS();
     } else {
+      if (options.emitDebuggerStops) {
+        // Stop on the return statement before executing finally blocks.
+        asm.emitDebugCheck();
+      }
       if (expr is BasicLiteral) {
         _addFinallyBlocks(tryFinallyBlocks, () {
           _generateNode(expr);