From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by sourceware.org (Postfix) with ESMTPS id EAAC73858430 for ; Tue, 29 Nov 2022 09:25:12 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org EAAC73858430 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 7D6271FDDE for ; Tue, 29 Nov 2022 09:25:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1669713911; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type; bh=PFbYPN45TwSAoqiTg3DKBum/u1rpHAD0YTsXJVbmzEY=; b=uhNntsllLsYP5htyq5/jMnxHn7+XiVBLvhehE+4+oHR/bgo0VAYP7bk7UgO3Zhg81XKM51 RC4hWoj24Tjvzlvcdiic39uzH2cIS0I2VbDgQsitQ+PvfFphGtCm5zwl51x8Y/y//PCo5J Ad7GyNzKIRYMjAGlsFcp8kPwM9veurs= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1669713911; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type; bh=PFbYPN45TwSAoqiTg3DKBum/u1rpHAD0YTsXJVbmzEY=; b=07eHWlSH/kSTAR+T1vc6XCYImfb2+2j9N1VXqzsEX0yBFDl2rnDZOWqt2YprPUFpQtr3zb 34/SZCz1usNCF0Dg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 5E60613428 for ; Tue, 29 Nov 2022 09:25:11 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id uwvPFffPhWOaIQAAMHmgww (envelope-from ) for ; Tue, 29 Nov 2022 09:25:11 +0000 Date: Tue, 29 Nov 2022 10:25:11 +0100 (CET) From: Richard Biener To: gcc-patches@gcc.gnu.org Subject: [PATCH] tree-optimization/107898 - ICE with -Walloca-larger-than MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Message-Id: <20221129092511.5E60613428@imap2.suse-dmz.suse.de> X-Spam-Status: No, score=-11.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: The following avoids ICEing with a mismatched prototype for alloca and -Walloca-larger-than using irange for checks which doesn't like mismatched types. Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed. PR tree-optimization/107898 * gimple-ssa-warn-alloca.cc (alloca_call_type): Check the type of the alloca argument is compatible with size_t before querying ranges. --- gcc/gimple-ssa-warn-alloca.cc | 1 + 1 file changed, 1 insertion(+) diff --git a/gcc/gimple-ssa-warn-alloca.cc b/gcc/gimple-ssa-warn-alloca.cc index 83a241a3a4b..dcc62ca77bf 100644 --- a/gcc/gimple-ssa-warn-alloca.cc +++ b/gcc/gimple-ssa-warn-alloca.cc @@ -217,6 +217,7 @@ alloca_call_type (gimple *stmt, bool is_vla) int_range_max r; if (warn_limit_specified_p (is_vla) && TREE_CODE (len) == SSA_NAME + && types_compatible_p (TREE_TYPE (len), size_type_node) && get_range_query (cfun)->range_of_expr (r, len, stmt) && !r.varying_p ()) { -- 2.35.3