[PATCH] ld: Set non_ir_ref_regular for --undefined SYMBOL

[Alan Modra]

On Mon, Jul 02, 2018 at 03:43:14PM -0700, H.J. Lu wrote:
> Set non_ir_ref_regular to TRUE for symbols forced into the output file
> so that they won't be removed by garbage collection with LTO.
> 
> 	PR ld/23309
> 	* ldlang.c (insert_undefined): Set non_ir_ref_regular to TRUE.
> 	* plugin.c (is_visible_from_outside): Don't scan entry_symbol.
> 	* testsuite/ld-plugin/pr23309.c: New file.
> 	* testsuite/ld-plugin/pr23309.d: Likewise.

Looks good to me.

-- 
Alan Modra
Australia Development Lab, IBM