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Re: [C++ Patch] PR 54575

From: Jason Merrill <jason at redhat dot com>
To: Paolo Carlini <paolo dot carlini at oracle dot com>
Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Fri, 14 Sep 2012 10:36:23 -0400
Subject: Re: [C++ Patch] PR 54575
References: <50532B88.9060100@oracle.com>

On 09/14/2012 09:05 AM, Paolo Carlini wrote:

here we crash because strip_typedefs while processing _RequireInputIter
calls make_typename_type which returns error_mark_node (# line 3281).

strip_typedefs should not return error_mark_node unless it gets error_mark_node as an argument; if a typedef-using type is valid, removing the typedefs should still produce a valid type. I ran into a similar bug when I was working on the instantiation-dependent stuff, but I don't remember which bit fixed that one.

PS: I'm also attaching a patchlet for a couple of hard errors in
make_typename_type not protected by (complain & tf_error) spotted in
make_typename_type.

This patchlet is OK.

Jason

Follow-Ups:
- Re: [C++ Patch] PR 54575
  - From: Paolo Carlini

References:
- [C++ Patch] PR 54575
  - From: Paolo Carlini

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