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[C++ Patch] PR 84972 ("[6/7/8 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark)...")

From: Paolo Carlini <paolo dot carlini at oracle dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Cc: Jason Merrill <jason at redhat dot com>
Date: Wed, 21 Mar 2018 10:28:57 +0100
Subject: [C++ Patch] PR 84972 ("[6/7/8 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark)...")

Hi,

as I told Marek in the audit trail, I'm working on a more complete patchconsistently changing maybe_deduce_size_from_array_init for variouserror recovery issues (see the trail of c++/84632 too), but since thisspecific regression ultimately started with a previous change of mineand it's very simple I decided to send it now, for 8.1.0. Essentially,the idea is setting TREE_TYPE (decl) to error_mark_node - the normalerror recovery mechanism in this function via cp_complete_array_type -also when the early check_array_designated_initializer fails.


Tested x86_64-linux, Paolo.

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Attachment: CL_84972
Description: Text document

Attachment: patch_84972
Description: Text document

Follow-Ups:
- Re: [C++ Patch] PR 84972 ("[6/7/8 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark)...")
  - From: Jason Merrill

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