From 3ace27b880a04f03b564f94f367a4ff5419792f2 Mon Sep 17 00:00:00 2001
From: Andrii Grynenko <andrii@fb.com>
Date: Tue, 31 Oct 2017 23:06:22 -0700
Subject: [PATCH] Clear frame cache when activating a fiber

Reviewed By: yfeldblum

Differential Revision: D6207160

fbshipit-source-id: 57468c9d05cdb3ee6e1d10a3a254a5d1bfddc36f
---
 folly/fibers/scripts/gdb.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/folly/fibers/scripts/gdb.py b/folly/fibers/scripts/gdb.py
index f13e6fb5..6c95738d 100644
--- 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))
 
-- 
2.34.1