[PATCH] libgcc: Fix _Unwind_Backtrace() for SEH

[Eric Botcazou]

> Forgot to assign to gcc_context.cfa and gcc_context.ra. Note this fix can
> be backported to earlier editions of gcc as well

It's already done by:

2020-11-03  Martin Storsjö  <martin@martin.st>

	* unwind-seh.c (_Unwind_Backtrace): Set the ra and cfa pointers
	before calling the callback.

https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553418.html

-- 
Eric Botcazou