http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58269 --- Comment #21 from Mike Stump --- Don't know… I'd assume there exists a paper somewhere that says it. :-) >From gcc-bugs-return-429159-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Sep 06 20:04:22 2013 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 17577 invoked by alias); 6 Sep 2013 20:04:22 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 17541 invoked by uid 48); 6 Sep 2013 20:04:19 -0000 From: "gerald at pfeifer dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/58340] New: [4.9 regression] gcc/cp/pt.c:7064:1: internal compiler error: in propagate_threaded_block_debug_into, at tree-ssa-threadedge.c:623 Date: Fri, 06 Sep 2013 20:04:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: bootstrap X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: gerald at pfeifer dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-09/txt/msg00399.txt.bz2 Content-length: 2649 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58340 Bug ID: 58340 Summary: [4.9 regression] gcc/cp/pt.c:7064:1: internal compiler error: in propagate_threaded_block_debug_into, at tree-ssa-threadedge.c:623 Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: gerald at pfeifer dot com Created attachment 30756 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30756&action=edit Preprocessed source file I started to see a new failure on my nightly amd64-unknown-freebsd8.0 tester: /scratch/tmp/gerald/gcc-HEAD/gcc/cp/pt.c: In function ‘tree_node* maybe_get_template_decl_from_type_decl(tree)’: /scratch/tmp/gerald/gcc-HEAD/gcc/cp/pt.c:7064:1: internal compiler error: in propagate_threaded_block_debug_into, at tree-ssa-threadedge.c:623 maybe_get_template_decl_from_type_decl (tree decl) ^ This happens in stage3-bubble. /scratch/tmp/gerald/OBJ-0906-1848/./prev-gcc/xg++ -B/scratch/tmp/gerald/OBJ-0906-1848/./prev-gcc/ -B/scratch/tmp/gerald/gcc-ref8-amd64/x86_64-unknown-freebsd8.4/bin/ -nostdinc++ -B/scratch/tmp/gerald/OBJ-0906-1848/prev-x86_64-unknown-freebsd8.4/libstdc++-v3/src/.libs -B/scratch/tmp/gerald/OBJ-0906-1848/prev-x86_64-unknown-freebsd8.4/libstdc++-v3/libsupc++/.libs -I/scratch/tmp/gerald/OBJ-0906-1848/prev-x86_64-unknown-freebsd8.4/libstdc++-v3/include/x86_64-unknown-freebsd8.4 -I/scratch/tmp/gerald/OBJ-0906-1848/prev-x86_64-unknown-freebsd8.4/libstdc++-v3/include -I/scratch/tmp/gerald/gcc-HEAD/libstdc++-v3/libsupc++ -L/scratch/tmp/gerald/OBJ-0906-1848/prev-x86_64-unknown-freebsd8.4/libstdc++-v3/src/.libs -L/scratch/tmp/gerald/OBJ-0906-1848/prev-x86_64-unknown-freebsd8.4/libstdc++-v3/libsupc++/.libs -c -DIN_GCC_FRONTEND -g -O2 -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -I. -Icp -I/scratch/tmp/gerald/gcc-HEAD/gcc -I/scratch/tmp/gerald/gcc-HEAD/gcc/cp -I/scratch/tmp/gerald/gcc-HEAD/gcc/../include -I/scratch/tmp/gerald/gcc-HEAD/gcc/../libcpp/include -I/home/gerald/8-amd64/include -I/scratch/tmp/gerald/gcc-HEAD/gcc/../libdecnumber -I/scratch/tmp/gerald/gcc-HEAD/gcc/../libdecnumber/dpd -I../libdecnumber -I/scratch/tmp/gerald/gcc-HEAD/gcc/../libbacktrace /scratch/tmp/gerald/gcc-HEAD/gcc/cp/pt.c -o cp/pt.o >From gcc-bugs-return-429160-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Sep 06 20:05:44 2013 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 18660 invoked by alias); 6 Sep 2013 20:05:44 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 18640 invoked by uid 48); 6 Sep 2013 20:05:41 -0000 From: "gerald at pfeifer dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/58340] [4.9 regression] gcc/cp/pt.c:7064:1: internal compiler error: in propagate_threaded_block_debug_into, at tree-ssa-threadedge.c:623 Date: Fri, 06 Sep 2013 20:05:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: bootstrap X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: gerald at pfeifer dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-09/txt/msg00400.txt.bz2 Content-length: 228 http://gcc.gnu.org/bugzilla/show_bug.cgi?idX340 --- Comment #1 from Gerald Pfeifer --- Created attachment 30757 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id0757&actioníit Assembly file