[patch] Fix LRA/reload issue with -fnon-call-exceptions

[Eric Botcazou]

> I have backported it onto the 8 branch, where it fixes the failure (timeout)
> of gnat.dg/opt73.adb for PowerPC/Linux, after testing it on this platform.

And now onto the 7 branch, after testing on x86-64/Linux and PowerPC/Linux.

-- 
Eric Botcazou