[Patch] ld: check for address space overflow

[Alan Modra]

On Fri, Mar 10, 2017 at 03:29:24PM +0100, Tristan Gingold wrote:
>     ld: add an error in case of address space overflow.
>     
>     ld/
>     	* ldlang.c (lang_check_section_addresses): Check for address space
>     	overflow.
>     	* testsuite/ld-checks/checks.exp (overflow_check): New procedure
>     	* testsuite/ld-checks/over.s: New test source.
>     	* testsuite/ld-checks/over.d: New test.
>     	* testsuite/ld-checks/over2.s: New test source.
>     	* testsuite/ld-checks/over2.d: New test.

OK.

-- 
Alan Modra
Australia Development Lab, IBM