[gcc(refs/vendors/ARM/heads/arm-struct-reorg-wip)] Add missing ChangeLog entry

[Tamar Christina]

https://gcc.gnu.org/g:e438aee224a3bff7abf08fe0da009c97297681e5

commit e438aee224a3bff7abf08fe0da009c97297681e5
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date:   Thu Apr 30 12:20:04 2020 +0200

    Add missing ChangeLog entry

Diff:
---
 libphobos/ChangeLog | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libphobos/ChangeLog b/libphobos/ChangeLog
index f8a82182427..1ba53705b51 100644
--- a/libphobos/ChangeLog
+++ b/libphobos/ChangeLog
@@ -1,3 +1,15 @@
+2020-04-30  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* libdruntime/Makefile.am (DRUNTIME_SOURCES_CONFIGURED): Remove
+	config/powerpc/switchcontext.S
+	* libdruntime/Makefile.in: Regenerate.
+	* libdruntime/config/powerpc/callwithstack.S: Remove.
+	* libdruntime/config/powerpc/switchcontext.S: Fix symbol name of
+	fiber_switchContext.
+	* libdruntime/core/thread.d: Disable fiber migration tests on PPC.
+	* testsuite/libphobos.thread/fiber_guard_page.d: Set guardPageSize
+	same as stackSize.
+
 2020-04-29  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* testsuite/lib/libphobos.exp (check_effective_target_linux_pre_2639):