Clear frame cache when activating a fiber

Reviewed By: yfeldblum

Differential Revision: D6207160

fbshipit-source-id: 57468c9d05cdb3ee6e1d10a3a254a5d1bfddc36f

diff --git a/folly/fibers/scripts/gdb.py b/folly/fibers/scripts/gdb.py
index f13e6fb5194e426671ce119655aff2460724f0e1..6c95738dd5e94f7b16b62669c4d4d56d656b5f57 100644 (file)
--- a/folly/fibers/scripts/gdb.py
+++ b/folly/fibers/scripts/gdb.py
@@ -253,6 +253,7 @@ def fiber_activate(fiber):
         fiber = fiber.cast(fiber_type.pointer()).dereference()
     if not FiberPrinter(fiber).backtrace_available():
         return "Can not activate a non-waiting fiber."
+    gdb.invalidate_cached_frames()
     FiberUnwinder.set_fiber(fiber)
     return "Fiber 0x{:12x} activated. You can call 'bt' now.".format(int(fiber.address))