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Re: [PATCH] ld: Set non_ir_ref_regular for --undefined SYMBOL
- From: Alan Modra <amodra at gmail dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: binutils at sourceware dot org
- Date: Wed, 4 Jul 2018 21:49:16 +0930
- Subject: Re: [PATCH] ld: Set non_ir_ref_regular for --undefined SYMBOL
- References: <20180702224314.645-1-hjl.tools@gmail.com>
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