browser: a dispatch miss asks the function map for training notes only in a training run

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_461fe3ff06374ecba693831148697ba6

shims/browser/src/cgen.rs

@@ -968,6 +968,11 @@ pub(crate) fn knows(pc: u64) -> bool {
     ftab(|m| m.get(pc).is_some())
 }
 
+/// Whether this is an ejected project's training run (`GEX_NT_ENTRY_LOG`).
+pub(crate) fn entry_log() -> bool {
+    ENTRY_LOG.load(Ordering::Relaxed)
+}
+
 pub(crate) fn note_web_entry(pc: u64) {
     if !ENTRY_LOG.load(Ordering::Relaxed) {
         return;

shims/browser/src/lib.rs

@@ -10705,7 +10705,7 @@ pub extern "C" fn gex_dispatch_miss(_ctx: i32, pc: i64) -> i32 {
     // An ejected project's training run: a pc of a unit image no function
     // holds is a web entry, whether the function JIT (below) or tier-1 then
     // runs it (the AOT-only run would stop here).
-    if !cgen::knows(pc) {
+    if cgen::entry_log() && !cgen::knows(pc) {
         crate::cgen::note_web_entry(pc);
     }
     // A function serves it, or the function JIT makes one: tier-1 reaches