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Fix PR 67665: ICE when passing two empty files directly to cc1 with -g

From: Andrew Pinski <pinskia at gmail dot com>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Wed, 13 Jan 2016 00:27:05 -0800
Subject: Fix PR 67665: ICE when passing two empty files directly to cc1 with -g
Authentication-results: sourceware.org; auth=none

Hi,
  The support -combine was removed a while back but cc1 still accepts
more than one file if directly invoked.  The support for multiple
files has bit-rotten inside the C front-end now too.  This patch now
errors out when invoked with more than one file instead of crashing
later.

OK?  Bootstrapped and tested on aarch64-linux-gnu with no regressions.

Thanks,
Andrew Pinski

c-family/ChangeLog:
* c-opts.c (c_common_post_options): Move the error message about "two
or more source files" such that it is unconditional.

Attachment: fix67665.diff.txt
Description: Text document

Follow-Ups:
- Re: Fix PR 67665: ICE when passing two empty files directly to cc1 with -g
  - From: Richard Biener

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