[debug] Add new debug-evaluate block list test

This CL adds a test that checks the block list for outer functions is
also correctly calculated when pausing in inner functions.

R=kimanh@chromium.org

Bug: chromium:1363561
Change-Id: I2d7c1671475759b977e4e41c7e09856b3b2e7daf
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3904308Reviewed-by: Kim-Anh Tran <kimanh@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83319}

test/debugger/debug/debug-evaluate-shadowed-context.js

@@ -178,6 +178,37 @@ listener_delegate = function(exec_state) {
 (f5())()();
 EndTest();
 
+BeginTest("Check that outer functions also get the correct block list calculated");
+// This test is important once we re-use block list info. The block list for `g`
+// needs to be correctly calculated already when we stop on break_position 1.
+
+let break_position;
+function f6() {
+  let a = 1;                             // stack-allocated
+  return function g() {                  // g itself doesn't require a context.
+    if (break_position === 2) debugger;
+    let a = 2; (() => a);                // context-allocated
+    return function h() {
+      if (break_position === 1) debugger;
+    }
+  }
+}
+
+listener_delegate = function (exec_state) {
+  assertEquals(2, exec_state.frame(0).evaluate("a").value());
+}
+break_position = 1;
+(f6())()();
+EndTest();
+
+BeginTest("Check that outer functions also get the correct block list calculated (continued)");
+listener_delegate = function (exec_state) {
+  assertThrows(() => exec_state.frame(0).evaluate("a").value());
+}
+break_position = 2;
+(f6())()();
+EndTest();
+
 assertEquals(begin_test_count, break_count,
   'one or more tests did not enter the debugger');
 assertEquals(begin_test_count, end_test_count,