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Date: Tue, 31 Jul 2012 23:22:00 -0000
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From: DJ Delorie <dj@redhat.com>
To: Richard Henderson <rth@redhat.com>
CC: gcc-patches@gcc.gnu.org
In-reply-to: <50185B72.7040100@redhat.com> (message from Richard Henderson on	Tue, 31 Jul 2012 15:25:54 -0700)
Subject: Re: TPF: disable discriminators
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> I don't see that 4.6 requires a different patch.

4.6 is missing this:

2011-04-01  Richard Henderson  <rth@redhat.com>

	PR 48400
	* dwarf2out.c (dwarf2out_source_line): Disable discriminators
	in strict mode before dwarf4.  Re-order tests to early out
	before switching sections.

So either *that* patch needs to be back-ported, or the tpf-specific
workaround does.