[esnext] Fix various callsites to use is_resumable, not is_generator

test/mjsunit/debug-generator-break-on-stack.js

Index: test/mjsunit/debug-generator-break-on-stack.js
diff --git a/test/mjsunit/ignition/debug-break-on-stack.js b/test/mjsunit/debug-generator-break-on-stack.js
similarity index 83%
copy from test/mjsunit/ignition/debug-break-on-stack.js
copy to test/mjsunit/debug-generator-break-on-stack.js
index d2577b38de85f4cc10a74afc3973bdb9d7fee79f..5a1a9c56c163e27457f6b221fa3871c91cc27f19 100644
--- a/test/mjsunit/ignition/debug-break-on-stack.js
+++ b/test/mjsunit/debug-generator-break-on-stack.js
@@ -22,25 +22,23 @@ function listener(event, exec_state, event_data, data) {
 }
 
 
-function g() {
+function* g() {
   setbreaks();
-  throw 1;  // B1
+  yield 1;  // B1
 }
 
-function f() {
-  try {
-    g();
-  } catch (e) {}
+function* f() {
+  yield* g();
   return 2;  // B2
 }
 
 function setbreaks() {
   Debug.setListener(listener);
-  Debug.setBreakPoint(g, 2, 0);
-  Debug.setBreakPoint(f, 4, 0);
+  Debug.setBreakPoint(g, 2);
+  Debug.setBreakPoint(f, 2);
 }
 
-f();
+for (let _ of f()) { }
 
 assertEquals(2, break_count);
 assertNull(exception);