From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1666) id 9431A3858298; Tue, 24 Jan 2023 14:27:23 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9431A3858298 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1674570443; bh=sQI3spBn50+JL4EaG88apEYvZ3T51PsAwnVqWRbMoYM=; h=From:To:Subject:Date:From; b=URfeRGAN96exfaVHgRgm14eaABHSGxi742rzrt3VyzGol+rykeH4k1oizYK6Rx8AY 4nRm6x5aaG6zR76mOr7CVASarumUhaBEW8i7iT1rBp+22wwXB7XF068Mdi2PAmXPDx CkSm7/IwP6F+VYjhF2DYEiud5eiKOb+FbOQNSvGo= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Richard Biener To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-9063] middle-end/107994 - ICE after error with comparison gimplification X-Act-Checkin: gcc X-Git-Author: Richard Biener X-Git-Refname: refs/heads/releases/gcc-12 X-Git-Oldrev: ca8b8191983d1a211a718b39ca07e35b8c626416 X-Git-Newrev: 45cff68d063b689bd6a9f30827b1fdd3f5ea2cb4 Message-Id: <20230124142723.9431A3858298@sourceware.org> Date: Tue, 24 Jan 2023 14:27:23 +0000 (GMT) List-Id: https://gcc.gnu.org/g:45cff68d063b689bd6a9f30827b1fdd3f5ea2cb4 commit r12-9063-g45cff68d063b689bd6a9f30827b1fdd3f5ea2cb4 Author: Richard Biener Date: Wed Dec 21 12:27:58 2022 +0100 middle-end/107994 - ICE after error with comparison gimplification The following avoids passing down error_mark_node to fold_convert. PR middle-end/107994 * gimplify.cc (gimplify_expr): Catch errorneous comparison operand. (cherry picked from commit 845b514e8a150447ba041294586af76a6ac05158) Diff: --- gcc/gimplify.cc | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc index 2588824dce2..a3aa90262c5 100644 --- a/gcc/gimplify.cc +++ b/gcc/gimplify.cc @@ -15832,6 +15832,9 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, Compare scalar mode aggregates as scalar mode values. Using memcmp for them would be very inefficient at best, and is plain wrong if bitfields are involved. */ + if (error_operand_p (TREE_OPERAND (*expr_p, 1))) + ret = GS_ERROR; + else { tree type = TREE_TYPE (TREE_OPERAND (*expr_p, 1)); @@ -15856,9 +15859,8 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, ret = gimplify_scalar_mode_aggregate_compare (expr_p); else ret = gimplify_variable_sized_compare (expr_p); - - break; } + break; /* If *EXPR_P does not need to be special-cased, handle it according to its class. */