gh-148989: `_remote_debugging`: Remove dead code, unnecessary gc state read (#148990)

dead code

diff --git a/Modules/_remote_debugging/threads.c b/Modules/_remote_debugging/threads.c
index 07f8148d7c941a334f672f589714ce49a11b2234..e303c667ea013a835c1763333029451f6bf9396a 100644 (file)
--- a/Modules/_remote_debugging/threads.c
+++ b/Modules/_remote_debugging/threads.c
@@ -314,19 +314,6 @@ unwind_stack_for_thread(
 
     long tid = GET_MEMBER(long, ts, unwinder->debug_offsets.thread_state.native_thread_id);
 
-    // Read GC collecting state from the interpreter (before any skip checks)
-    uintptr_t interp_addr = GET_MEMBER(uintptr_t, ts, unwinder->debug_offsets.thread_state.interp);
-
-    // Read the GC runtime state from the interpreter state
-    uintptr_t gc_addr = interp_addr + unwinder->debug_offsets.interpreter_state.gc;
-    char gc_state[SIZEOF_GC_RUNTIME_STATE];
-    if (_Py_RemoteDebug_PagedReadRemoteMemory(&unwinder->handle, gc_addr, unwinder->debug_offsets.gc.size, gc_state) < 0) {
-        set_exception_cause(unwinder, PyExc_RuntimeError, "Failed to read GC state");
-        goto error;
-    }
-    STATS_INC(unwinder, memory_reads);
-    STATS_ADD(unwinder, memory_bytes_read, unwinder->debug_offsets.gc.size);
-
     // Calculate thread status using flags (always)
     int status_flags = 0;