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From: "urbanjost at comcast dot net" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/42568] [Cygwin] BLOCKDATA referenced in EXTERNAL not loading from library Date: Tue, 15 Aug 2017 14:29:00 -0000 [thread overview] Message-ID: <bug-42568-4-XtMpUcpYpQ@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-42568-4@http.gcc.gnu.org/bugzilla/> [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #1: Type: text/plain; charset="UTF-8", Size: 39850 bytes --] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42568 --- Comment #34 from urbanjost at comcast dot net --- It still occurs with Cygwin 2.8.2, which comes with gfortran 5.4.0, which is the latest version of CygWin, if that is of any help. -----Original Message----- From: dominiq at lps dot ens.fr [mailto:gcc-bugzilla@gcc.gnu.org] Sent: Sunday, August 13, 2017 6:00 AM To: urbanjost@comcast.net Subject: [Bug fortran/42568] [Cygwin] BLOCKDATA referenced in EXTERNAL not loading from library https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42568 --- Comment #34 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > So... what should we do with this bug then? I'm trying to move it out > of the WAITING queue. Change to SUSPENDED? I am afraid that SUSPENDED is some kind of black hole for problems waiting committee clarification. Here we are still waiting an answer from CygWin users if it is still present with recent releases. -- You are receiving this mail because: You reported the bug. >From gcc-bugs-return-572147-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 13:39:24 2017 Return-Path: <gcc-bugs-return-572147-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 39635 invoked by alias); 15 Aug 2017 13:39:22 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 39412 invoked by uid 48); 15 Aug 2017 13:39:01 -0000 From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/81820] -Os may remove debug info Date: Tue, 15 Aug 2017 14:52:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 8.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status resolution target_milestone Message-ID: <bug-81820-4-ek5Xo1o01V@http.gcc.gnu.org/bugzilla/> In-Reply-To: <bug-81820-4@http.gcc.gnu.org/bugzilla/> References: <bug-81820-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01706.txt.bz2 Content-length: 566 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81820 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED Target Milestone|--- |8.0 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- Fixed by https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=ac36c55f2dac2b54a657d242646d84dfd522eb55 >From gcc-bugs-return-572148-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 13:41:13 2017 Return-Path: <gcc-bugs-return-572148-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 43317 invoked by alias); 15 Aug 2017 13:41:11 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 43100 invoked by uid 48); 15 Aug 2017 13:41:02 -0000 From: "webrown.cpp at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/81836] New: ill-formed qualified name not diagnosed Date: Tue, 15 Aug 2017 15:12:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: webrown.cpp at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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 cc target_milestone Message-ID: <bug-81836-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01707.txt.bz2 Content-length: 1239 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81836 Bug ID: 81836 Summary: ill-formed qualified name not diagnosed Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gcc@arne-mertz.de CC: webrown.cpp at gmail dot com Target Milestone: --- CC: webrown.cpp at gmail dot com Consider the following code: typedef int foo; namespace Foo { int f(); foo g(); } int ::Foo::f() { return 0; } foo ::Foo::g() { return 1; } This compiles in gcc 7.2.0 and 8.0.0 20170814, but should give an error in the last line: [expr.prim.id.qual] states, that `foo :: Foo` is a qualified ID. (`foo` is a type-name). [basic.lookup.qual] then requires `foo` to denote a class, enumeration or namespace. Clang, MSVC (and IAR) give diagnostics for this, see https://godbolt.org/g/vhW9si (`int :: Foo` is not a qualified ID because `int` is only a simple-type-specifier, [dcl.type.simple]) But also consider open issue http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1828 >From gcc-bugs-return-572149-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 14:11:46 2017 Return-Path: <gcc-bugs-return-572149-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 90964 invoked by alias); 15 Aug 2017 14:11:40 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 90835 invoked by uid 48); 15 Aug 2017 14:11:30 -0000 From: "msebor at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/38592] Optimize memmove / memcmp combination Date: Tue, 15 Aug 2017 15:17:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 4.4.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: msebor at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P5 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc see_also Message-ID: <bug-38592-4-sw4wwy8uk7@http.gcc.gnu.org/bugzilla/> In-Reply-To: <bug-38592-4@http.gcc.gnu.org/bugzilla/> References: <bug-38592-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01708.txt.bz2 Content-length: 1251 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38592 Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |msebor at gcc dot gnu.org See Also| |https://gcc.gnu.org/bugzill | |a/show_bug.cgi?id=81703 --- Comment #9 from Martin Sebor <msebor at gcc dot gnu.org> --- The optimization should be easily doable in tree-ssa-strlen.c. What makes it less than straightforward is that gimple-fold.c folds constant size memcpy/memmove into a MEM_REF which the strlen pass doesn't know how to handle. I think the best way is to defer the folding until after the strlen pass has run. That will not only make the optimization easily implementable but also make it possible to detect past the end reads/writes in calls to the functions because only the strlen pass knows the sizes of the source sequences. (Bug 81703 tracks another instance of missing strlen optimization due to early folding. As an aside, deferring the folding is complementary to handling MEM_REF in the strlen pass.) >From gcc-bugs-return-572150-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 14:13:18 2017 Return-Path: <gcc-bugs-return-572150-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 104176 invoked by alias); 15 Aug 2017 14:13:16 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 103215 invoked by uid 48); 15 Aug 2017 14:13:08 -0000 From: "alenuke at yandex dot ru" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/81845] New: const union's field doesn't interpret as const in switch/case Date: Tue, 15 Aug 2017 15:50:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 7.1.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: alenuke at yandex dot ru X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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 target_milestone Message-ID: <bug-81845-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01709.txt.bz2 Content-length: 1119 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81845 Bug ID: 81845 Summary: const union's field doesn't interpret as const in switch/case Product: gcc Version: 7.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: alenuke at yandex dot ru Target Milestone: --- Here's the code that compiles ok: #include <stdio.h> const union { char c[4]; int i; } buzaka = { { 1, 2, 3, 4 } }; int main(int argc, char ** argv) { const int z = buzaka.i; switch (argc) { default: // case z: printf("Hello, world!\n"); break; } return z; } If we uncomment "case z", it will not compile. What's funny is that I didn't find any compiler, that could compile it. ( you can see interactive compilers here: https://godbolt.org/g/CoseVn ) Some people say that's a C standard issue of "const != constexpr", but I really can't get it (why/where). Thanks. >From gcc-bugs-return-572151-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 14:30:08 2017 Return-Path: <gcc-bugs-return-572151-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 74326 invoked by alias); 15 Aug 2017 14:29:48 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 73859 invoked by uid 48); 15 Aug 2017 14:29:17 -0000 From: "msebor at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/81811] missing -Wreturn-local-addr returning strcpy result Date: Tue, 15 Aug 2017 16:28:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 8.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: msebor at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: 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: Message-ID: <bug-81811-4-7Wxrpb7diJ@http.gcc.gnu.org/bugzilla/> In-Reply-To: <bug-81811-4@http.gcc.gnu.org/bugzilla/> References: <bug-81811-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01710.txt.bz2 Content-length: 761 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81811 --- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> --- (In reply to Richard Biener from comment #2) > Wonder whether the memcpy case is because we fold the memcpy away as both > memcpy and strcpy are marked RET1 (returns arg1). The memcpy is eliminated in DSE and turned into a plain 'return a' statement that the find_explicit_erroneous_behavior() in tree-ssa-isolate-paths.c that implements the warning knows how to handle. DSE doesn't handle strcpy or strncpy so the calls are not eliminated and because find_explicit_erroneous_behavior() doesn't handle calls, the 'return strcpy(a, s)' statement isn't detected. This suggests an opportunity to improve not just the warning but also DSE. >From gcc-bugs-return-572152-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 14:34:15 2017 Return-Path: <gcc-bugs-return-572152-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 62455 invoked by alias); 15 Aug 2017 14:34:02 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 57604 invoked by uid 48); 15 Aug 2017 14:33:53 -0000 From: "sezeroz at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug web/81846] New: ViewVC Exception Date: Tue, 15 Aug 2017 16:37:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: web X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: sezeroz at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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 target_milestone Message-ID: <bug-81846-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01711.txt.bz2 Content-length: 1602 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81846 Bug ID: 81846 Summary: ViewVC Exception Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: web Assignee: unassigned at gcc dot gnu.org Reporter: sezeroz at gmail dot com Target Milestone: --- http://gcc.gnu.org/viewcvs/gcc/branches/?sortby=date is failing with the following: An Exception Has Occurred Python Traceback Traceback (most recent call last): File "/usr/lib/python2.6/site-packages/viewvc/lib/viewvc.py", line 4855, in main request.run_viewvc() File "/usr/lib/python2.6/site-packages/viewvc/lib/viewvc.py", line 408, in run_viewvc self.view_func(self) File "/usr/lib/python2.6/site-packages/viewvc/lib/viewvc.py", line 2296, in view_directory file_data, options) File "/usr/lib/python2.6/site-packages/viewvc/lib/vclib/svn/svn_repos.py", line 458, in dirlogs date, author, msg, revprops, changes = self._revinfo(entry_rev) File "/usr/lib/python2.6/site-packages/viewvc/lib/vclib/svn/svn_repos.py", line 788, in _revinfo cached_info = _revinfo_helper(rev, include_changed_paths) File "/usr/lib/python2.6/site-packages/viewvc/lib/vclib/svn/svn_repos.py", line 750, in _revinfo_helper revprops = fs.revision_proplist(self.fs_ptr, rev) File "/usr/lib64/python2.6/site-packages/libsvn/fs.py", line 736, in svn_fs_revision_proplist return apply(_fs.svn_fs_revision_proplist, args) SubversionException: ('No such revision 206916', 160006) >From gcc-bugs-return-572153-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 14:52:48 2017 Return-Path: <gcc-bugs-return-572153-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 126958 invoked by alias); 15 Aug 2017 14:52:43 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 126502 invoked by uid 48); 15 Aug 2017 14:52:10 -0000 From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/81844] New: -finstrument-control-flow -mcet is incompatible with makecontext family functions Date: Tue, 15 Aug 2017 16:43:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: DUPLICATE 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 blocked target_milestone cf_gcctarget resolution Message-ID: <bug-81844-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01712.txt.bz2 Content-length: 1988 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81844 Bug ID: 81844 Summary: -finstrument-control-flow -mcet is incompatible with makecontext family functions Product: gcc Version: 8.0 Status: RESOLVED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com Blocks: 81652 Target Milestone: --- Target: x86 Status: RESOLVED Resolution: DUPLICATE -finstrument-control-flow -mcet enables shadow stack which is incompatible with makecontext family functions: /* Get user context and store it in variable pointed to by UCP. */ extern int getcontext (ucontext_t *__ucp) __THROWNL; /* Set user context from information of variable pointed to by UCP. */ extern int setcontext (const ucontext_t *__ucp) __THROWNL; /* Save current context in context variable pointed to by OUCP and set context from variable pointed to by UCP. */ extern int swapcontext (ucontext_t *__restrict __oucp, const ucontext_t *__restrict __ucp) __THROWNL; /* Manipulate user context UCP to continue with calling functions FUNC and the ARGC-1 parameters following ARGC when the context is used the next time in `setcontext' or `swapcontext'. We cannot say anything about the parameters FUNC takes; `void' is as good as any other choice. */ extern void makecontext (ucontext_t *__ucp, void (*__func) (void), int __argc, ...) __THROW; At minimum, compiler shouldn't set the GNU_PROPERTY_X86_FEATURE_1_SHSTK bit if one of these functions is used. --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- Dup. *** This bug has been marked as a duplicate of bug 81842 *** Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81652 [Bug 81652] [meta-bug] -finstrument-control-flow -mcet bugs >From gcc-bugs-return-572154-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 14:52:51 2017 Return-Path: <gcc-bugs-return-572154-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 127004 invoked by alias); 15 Aug 2017 14:52:47 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 126735 invoked by uid 48); 15 Aug 2017 14:52:25 -0000 From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/81842] New: -finstrument-control-flow -mcet is incompatible with makecontext family functions Date: Tue, 15 Aug 2017 16:53:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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 cc blocked target_milestone cf_gcctarget Message-ID: <bug-81842-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01713.txt.bz2 Content-length: 1982 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81842 Bug ID: 81842 Summary: -finstrument-control-flow -mcet is incompatible with makecontext family functions Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com CC: igor.v.tsimbalist at intel dot com Blocks: 81652 Target Milestone: --- Target: x86 -finstrument-control-flow -mcet enables shadow stack which is incompatible with makecontext family functions: /* Get user context and store it in variable pointed to by UCP. */ extern int getcontext (ucontext_t *__ucp) __THROWNL; /* Set user context from information of variable pointed to by UCP. */ extern int setcontext (const ucontext_t *__ucp) __THROWNL; /* Save current context in context variable pointed to by OUCP and set context from variable pointed to by UCP. */ extern int swapcontext (ucontext_t *__restrict __oucp, const ucontext_t *__restrict __ucp) __THROWNL; /* Manipulate user context UCP to continue with calling functions FUNC and the ARGC-1 parameters following ARGC when the context is used the next time in `setcontext' or `swapcontext'. We cannot say anything about the parameters FUNC takes; `void' is as good as any other choice. */ extern void makecontext (ucontext_t *__ucp, void (*__func) (void), int __argc, ...) __THROW; At minimum, compiler shouldn't set the GNU_PROPERTY_X86_FEATURE_1_SHSTK bit if one of these functions is used. --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- *** Bug 81844 has been marked as a duplicate of this bug. *** Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81652 [Bug 81652] [meta-bug] -finstrument-control-flow -mcet bugs >From gcc-bugs-return-572155-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 14:52:59 2017 Return-Path: <gcc-bugs-return-572155-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 127631 invoked by alias); 15 Aug 2017 14:52:57 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 126978 invoked by uid 48); 15 Aug 2017 14:52:43 -0000 From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/81652] [meta-bug] -finstrument-control-flow -mcet bugs Date: Tue, 15 Aug 2017 17:03:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: dep_changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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_status resolution Message-ID: <bug-81652-4-TRxKmhJ7xN@http.gcc.gnu.org/bugzilla/> In-Reply-To: <bug-81652-4@http.gcc.gnu.org/bugzilla/> References: <bug-81652-4@http.gcc.gnu.org/bugzilla/> 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: 2017-08/txt/msg01714.txt.bz2 Content-length: 513 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81652 Bug 81652 depends on bug 81844, which changed state. Bug 81844 Summary: -finstrument-control-flow -mcet is incompatible with makecontext family functions https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81844 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |DUPLICATE >From gcc-bugs-return-572156-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 15 15:12:54 2017 Return-Path: <gcc-bugs-return-572156-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org> Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 33679 invoked by alias); 15 Aug 2017 15:12:52 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: <gcc-bugs.gcc.gnu.org> List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/> List-Post: <mailto:gcc-bugs@gcc.gnu.org> List-Help: <mailto:gcc-bugs-help@gcc.gnu.org> Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 33634 invoked by uid 89); 15 Aug 2017 15:12:47 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.1 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 spammy=H*f:sk:67267f8, H*i:sk:67267f8, HX-HELO:sk:EUR03-D, H*RU:sk:EUR03-D X-Spam-User: qpsmtpd, 2 recipients X-HELO: EUR03-DB5-obe.outbound.protection.outlook.com Received: from mail-eopbgr40061.outbound.protection.outlook.com (HELO EUR03-DB5-obe.outbound.protection.outlook.com) (40.107.4.61) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 15 Aug 2017 15:12:45 +0000 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Szabolcs.Nagy@arm.com; Received: from [10.2.206.69] (217.140.96.140) by DB6PR0802MB2486.eurprd08.prod.outlook.com (2603:10a6:4:a0::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1341.17; Tue, 15 Aug 2017 15:12:41 +0000 Message-ID: <59930F66.50805@arm.com> Date: Tue, 15 Aug 2017 17:06:00 -0000 From: Szabolcs Nagy <szabolcs.nagy@arm.com> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 MIME-Version: 1.0 To: Martin Sebor <msebor@gmail.com>, Eric Gallager <egall@gwmail.gwu.edu> CC: nd@arm.com, gcc-bugs@gcc.gnu.org, GCC Mailing List <gcc@gcc.gnu.org> Subject: Re: [Bug web/?????] New: Fwd: failure notice: Bugzilla down. 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The error >> message looks like this: > > Bugzilla and the rest of gcc.gnu.org have been down much of > the afternoon/evening due to a hard drive upgrade (the old disk > apparently failed). You're not the only one who found out about > it the hard way. I (and I suspect most others) also discovered > it when things like Git and SVN (and Bugzilla) stopped working. > > I've CC'd the gcc list to let others know (not sure what list > to subscribe to in order to get a heads up on these kinds of > maintenance issues). > i seems the database got corrupted. at least one of my bugs was overwritten by another: original 81846: https://gcc.gnu.org/ml/gcc-bugs/2017-08/msg01574.html current 81846: https://gcc.gnu.org/bugzilla/show_bug.cgi?id846 similarly there are two bugs on the bug mailing list for 81845 and later bugs are missing.
next prev parent reply other threads:[~2017-08-15 13:33 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-42568-4@http.gcc.gnu.org/bugzilla/> 2014-01-13 13:40 ` dominiq at lps dot ens.fr 2015-09-05 10:42 ` dominiq at lps dot ens.fr 2015-09-15 5:31 ` urbanjost at comcast dot net 2015-09-18 16:57 ` jvdelisle at gcc dot gnu.org 2017-08-15 14:29 ` urbanjost at comcast dot net [this message] 2009-12-31 23:06 [Bug fortran/42568] New: " urbanjost at comcast dot net 2010-01-04 9:44 ` [Bug fortran/42568] [Cygwin] " burnus at gcc dot gnu dot org 2010-01-04 15:43 ` davek at gcc dot gnu dot org 2010-01-04 16:06 ` dominiq at lps dot ens dot fr 2010-01-04 16:13 ` kargl at gcc dot gnu dot org 2010-01-04 16:36 ` davek at gcc dot gnu dot org 2010-01-04 17:14 ` kargl at gcc dot gnu dot org 2010-01-04 18:05 ` davek at gcc dot gnu dot org 2010-01-04 18:06 ` davek at gcc dot gnu dot org 2010-01-04 18:57 ` kargl at gcc dot gnu dot org 2010-01-05 3:01 ` jvdelisle at gcc dot gnu dot org 2010-01-05 14:46 ` burnus at gcc dot gnu dot org 2010-01-05 16:10 ` ian at airs dot com 2010-01-05 18:13 ` dominiq at lps dot ens dot fr 2010-01-16 23:18 ` kargl at gcc dot gnu dot org 2010-01-16 23:47 ` kargl at gcc dot gnu dot org
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