Re: GSoC (Improvements to GCC on Windows)

I have been a little busy in recent days. I'll check it out in a day or two. Thanks for your response. On Mon, Apr 2, 2018, 12:56 PM Liu Hao wrote: > 在 2018/4/2 13:54, Ko Phyo 写道: > > Thank for your valuable information. I couldn't made it for GSoC 2018 due > > to delay of my

[Bug target/85220] [meta-bug, nvptx] Run trunk with og7 openacc testcases and analyze execution failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85220 --- Comment #1 from Tom de Vries --- I've copied the test-cases, and build r259123. For libgomp.oacc-c/c.exp, we get: ... $ cat libgomp.testsuite/libgomp.sum | grep ^FAIL:.*execution | grep -v /lib- | sed

[Bug target/85220] New: [meta-bug, nvptx] Run trunk with og7 openacc testcases and analyze execution failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85220 Bug ID: 85220 Summary: [meta-bug, nvptx] Run trunk with og7 openacc testcases and analyze execution failures Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug c++/80290] [6/7/8 Regression] g++ uses unreasonable amount of memory compiling nested string maps

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80290 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org

[Bug c++/84979] [6/7/8 Regression] ICE with auto as template parameter and -fconcepts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84979 --- Comment #4 from Alexandre Oliva --- Author: aoliva Date: Thu Apr 5 04:26:36 2018 New Revision: 259124 URL: https://gcc.gnu.org/viewcvs?rev=259124=gcc=rev Log: [PR c++/84979] reject auto in explicit tmpl args for tmpl-fn With concepts, we

[Bug c++/85215] [8 Regression] ICE: "gcc_assert (!force_elide);" failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85215 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/85215] [8 Regression] ICE: "gcc_assert (!force_elide);" failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85215 --- Comment #5 from Jason Merrill --- Author: jason Date: Thu Apr 5 04:01:15 2018 New Revision: 259123 URL: https://gcc.gnu.org/viewcvs?rev=259123=gcc=rev Log: PR c++/85215 - ICE with copy-init from conversion. * call.c

C++ PATCH for c++/85215, C++17 ICE initializing from conversion function

conv_binds_ref_to_prvalue was expecting that if a user-defined conversion uses a conversion function returning a reference, the conversion will have reference type. This wasn't the case, because build_user_type_conversion_1 strips the reference from the return type to get the type of the

[Bug gcov-profile/85219] New: [GCOV] A "if(1) continue;" statement in a the else block of "if(0)" statement is wrongly marked as executed when surrounded by array delaration statement and break/contin

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85219 Bug ID: 85219 Summary: [GCOV] A "if(1) continue;" statement in a the else block of "if(0)" statement is wrongly marked as executed when surrounded by array delaration statement

[Bug gcov-profile/85199] [GCOV] A cond-expr with a iterative variable in a for loop is marked as "-" in gcov

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85199 --- Comment #1 from Yibiao Yang --- (In reply to Yibiao Yang from comment #0) > $ gcc -v > gcc -v > Using built-in specs. > COLLECT_GCC=gcc > COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper > OFFLOAD_TARGET_NAMES=nvptx-none >

[Bug gcov-profile/85218] New: [GCOV] A return statement in the if(0) block is wrongly marked as executed when there is an array index and an {array declare statement} around it in gcov

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85218 Bug ID: 85218 Summary: [GCOV] A return statement in the if(0) block is wrongly marked as executed when there is an array index and an {array declare statement} around it in

Re: [PATCH] c/55976 -Werror=return-type should error on returning a value from a void function

On 04/04/2018 05:50 PM, dave.pa...@oracle.com wrote: On 04/04/2018 10:58 AM, Martin Sebor wrote: On 04/04/2018 11:15 AM, Jakub Jelinek wrote: On Tue, Apr 03, 2018 at 01:36:13PM -0600, Martin Sebor wrote: On 04/03/2018 10:26 AM, dave.pa...@oracle.com wrote: This patch fixes handlng of

[Bug gcov-profile/85217] [GCOV] A no side effect statement between a break statement and a continue statement will lead to incorrect code coverage in gcov

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85217 --- Comment #1 from Yibiao Yang --- $ gcc -v gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu

[Bug gcov-profile/85217] New: [GCOV] A no side effect statement between a break statement and a continue statement will lead to incorrect code coverage in gcov

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85217 Bug ID: 85217 Summary: [GCOV] A no side effect statement between a break statement and a continue statement will lead to incorrect code coverage in gcov Product: gcc

[Bug libobjc/36610] objc_msg_sendv is broken for targets which pass argument via registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36610 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org ---

[Bug tree-optimization/81776] missing sprintf optimization due to pointer escape analysis

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81776 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/71218] Add a warning about "new T[integer-literal]"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71218 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/47316] devirtualize calls to virtual methods that are never further overriden

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47316 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org

[Bug tree-optimization/52571] vectorizer changes alignment of common symbols

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52571 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org

Re: where should C++ options be documented?

On 4/2/18, Martin Sebor wrote: > Jason, > > The manual mentions some C++-only options in the language > independent section 3.8 Options to Request or Suppress > Warnings and others in 3.5 Options Controlling C++ Dialect. > > For example, -Wcatch-value, -Wconditionally-supported,

[Bug c++/71283] Inconsistent location for C++ warning options in the manual

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71283 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org,

[C++ Patch] PR 84792 ("[6/7/8 Regression] ICE with broken typedef of a struct")

Hi, I'm really happy to report that these 5 ugly lines are causing an actual bug. Seriously, not considering the formatting, the problem is that we really want to keep 'type' in sync, because we are using it below before returning. Note that we don't regress location-wise because either

[Bug target/85216] Performance issue with PHP on ppc64 systems

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85216 --- Comment #7 from David Edelsohn --- One possibility is bad luck and the branch happens to fall on an address that conflicts with another branch.

[Bug c++/85209] [8 Regression] ICE with lambda and structured binding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85209 Jason Merrill changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/85216] Performance issue with PHP on ppc64 systems

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85216 --- Comment #6 from Timothy Pearson --- Understood. I'll update this report if we find a way to get the predictor working optimally in this scenario.

[Bug target/85216] Performance issue with PHP on ppc64 systems

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85216 David Edelsohn changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|INVALID

[Bug c++/85215] [8 Regression] ICE: "gcc_assert (!force_elide);" failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85215 Jason Merrill changed: What|Removed |Added Keywords|ice-on-invalid-code |ice-on-valid-code Priority|P3

[Bug target/85216] Performance issue with PHP on ppc64 systems

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85216 --- Comment #4 from Timothy Pearson --- (In reply to Andrew Pinski from comment #3) > This is 100% the equivalent code. > > jmp *(%r15) # opline.199_67->handler > Does two things: > loads a pointer from %r15 and then jumps to that pointer.

[Bug target/85216] Performance issue with PHP on ppc64 systems

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85216 Andrew Pinski changed: What|Removed |Added Status|WAITING |RESOLVED Last reconfirmed|2018-04-05

[Bug target/85216] Performance issue with PHP on ppc64 systems

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85216 --- Comment #2 from Timothy Pearson --- (In reply to David Edelsohn from comment #1) > What two additional instructions? x86 is a CISC architecture and Power is a > RISC architecture. x86 has an instruction that directly performs an > indirect

[Bug target/85216] Performance issue with PHP on ppc64 systems

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85216 David Edelsohn changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug c++/85215] [8 Regression] ICE: "gcc_assert (!force_elide);" failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85215 Jason Merrill changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/84792] [6/7/8 Regression] ICE with broken typedef of a struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84792 Paolo Carlini changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug target/85216] New: Performance issue with PHP on ppc64 systems

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85216 Bug ID: 85216 Summary: Performance issue with PHP on ppc64 systems Product: gcc Version: 7.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/84938] [7/8 Regression] internal compiler error: in gen_reg_rtx, at emit-rtl.c:1187 (gen_reg_rtx()/maybe_legitimize_operand())

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84938 --- Comment #4 from Jason Merrill --- Author: jason Date: Thu Apr 5 00:09:10 2018 New Revision: 259108 URL: https://gcc.gnu.org/viewcvs?rev=259108=gcc=rev Log: PR c++/84938 - ICE with division by ~-1. * call.c

[Bug c++/84936] [8 Regression] ICE with unexpanded parameter pack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84936 --- Comment #2 from Jason Merrill --- Author: jason Date: Thu Apr 5 00:09:05 2018 New Revision: 259107 URL: https://gcc.gnu.org/viewcvs?rev=259107=gcc=rev Log: PR c++/84936 - ICE with unexpanded pack in mem-initializer. *

[Bug c++/84936] [8 Regression] ICE with unexpanded parameter pack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84936 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

C++ PATCH for c++/84938, ICE dividing by ~-1

set_up_extended_ref_temp does an abbreviated version of cp_finish_decl, which didn't include the call to cp_fully_fold that store_init_value does for user-declared variables. Adding that fixes this bug. Tested x86_64-pc-linux-gnu, applying to trunk. commit

[Bug tree-optimization/47815] Tail call regression with GCC snapshot

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47815 Adam Warner changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

C++ PATCH for c++/84936, ICE with unexpanded pack in mem-init

We already had code to deal with an unexpanded pack in the initializer, but not in the member designator. If we find one, let's pretend it was expanded. Tested x86_64-pc-linux-gnu, applying to trunk. commit cb6bcd45b6bd3c1edc44ad0fbe164135cb17467b Author: Jason Merrill Date:

Vincent Forbes's invitation is waiting for your response

Vincent Forbes has invited you to join Nextdoor. Nextdoor is a private social network that helps neighbors connect with each other to build stronger communities. To accept your invitation, follow the link below: https://nextdoor.com/invitation/?i=ggkkfghlzxggthdsqdslstage=1

[Bug c++/85215] [8 Regression] ICE: "gcc_assert (!force_elide);" failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85215 --- Comment #3 from Paolo Carlini --- I don't think this is just an ICE on invalid: we can trivially fix the snippet as: template struct remove_reference {}; template struct remove_reference<_Tp &> { typedef _Tp type; }; template constexpr

Re: [PATCH] c/55976 -Werror=return-type should error on returning a value from a void function

On 04/04/2018 10:58 AM, Martin Sebor wrote: On 04/04/2018 11:15 AM, Jakub Jelinek wrote: On Tue, Apr 03, 2018 at 01:36:13PM -0600, Martin Sebor wrote: On 04/03/2018 10:26 AM, dave.pa...@oracle.com wrote: This patch fixes handlng of -Werror=return-type. Currently, even with the flag specified,

[Bug c++/85215] [8 Regression] ICE: "gcc_assert (!force_elide);" failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85215 David Malcolm changed: What|Removed |Added CC||jason at gcc dot gnu.org --- Comment #2

[Bug c++/85215] [8 Regression] ICE: "gcc_assert (!force_elide);" failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85215 --- Comment #1 from David Malcolm --- Started somewhere between r258751 (unaffected) and r258755 (affected)

[Bug c++/85215] New: "gcc_assert (!force_elide);" failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85215 Bug ID: 85215 Summary: "gcc_assert (!force_elide);" failure Product: gcc Version: 7.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

Re: [wwwdocs] document new options in gcc-8/changes.html

Hi Martin On 05/04/2018 00:28, Martin Sebor wrote: + implementations do suppresses the warning. suppress Paolo.

Re: how to generate - "procedure linkage table" for MIPS

Hi Vidya, On Mon, 5 Mar 2018, V R wrote: > Also on enabling gcc on MIPS with "–with-mips-plt " option the plt stub > wasnt seen. Is there > > anything missing that needs to be done or is there any limitation , please > let me know. What problem are you trying to solve? Can you run `readelf

[Bug target/83402] PPC64 implementation of ./rs6000/emmintrin.h gives out of range for _mm_slli_epi32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83402 --- Comment #9 from Steven Munroe --- I suggested fixing the emmintrin.h source for both eventually ... If you only fix AT11 then sometime later some will discover the difference and try fix it. And likely break it again. So fix AT immediately

[PATCH] Add -fcf-protection -mcet to STAGE4_CFLAGS

Since profiledbootstrap uses STAGEfeedback_CFLAGS = $(STAGE4_CFLAGS) -fprofile-use add STAGE4_CFLAGS += -fcf-protection -mcet to bootstrap-cet.mk to support profiledbootstrap with CET. OK for trunk? H.J. --- --- config/bootstrap-cet.mk | 3 ++- 1 file changed, 2 insertions(+), 1

gcc-6-20180404 is now available

Snapshot gcc-6-20180404 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/6-20180404/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 6 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches/gcc-6

Re: [wwwdocs] document new options in gcc-8/changes.html

Attached is an updated diff rebased on top of the latest revision of the file. This new version fixes the typos Paolo pointed out (thanks) and adds a few more options: -Wmissing-attributes, -Wif-not-aligned, and -Wpacked-not-aligned. I used a spell-checker this time to (hopefully) minimize the

[C++ PATCH] Implement P0961

Tested on Linux-PPC64. 2018-04-05 Ville Voutilainen gcc/cp Implement P0961 * decl.c (get_tuple_decomp_init): Check the templatedness of a member get. testsuite/ Implement P0961 * g++.dg/cpp1z/decomp10.C: Adjust. *

[Bug c++/85214] New: ICE on valid C++17 code on x86_64-linux-gnu: in tsubst_copy, at cp/pt.c:14562

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85214 Bug ID: 85214 Summary: ICE on valid C++17 code on x86_64-linux-gnu: in tsubst_copy, at cp/pt.c:14562 Product: gcc Version: unknown Status: UNCONFIRMED

[PATCH] Fix BIT_FIELD_REF folding (PR middle-end/85195)

Hi! On the following testcase because of the SCCVN limit we end up with a weird, but valid, BIT_FIELD_REF - trying to extract V1TImode type out of a V1TImode SSA_NAME, with 128 bits width and offset 0 (just SSA_NAME move would be enough). Not trying to address why we create it, rather fix how we

Re: [wwwdocs] gcc-8/changes.html additions

On 04/04/18 22:11, Martin Sebor wrote: > On 04/04/2018 12:24 PM, Bernd Edlinger wrote: >> Hi, >> >> this adds a few gcc command line options to gcc-8/changes.html which >> I added for gcc-8. > > Just a couple of suggestions: > > 1) Use to render sizeof in monospace: > > +   

[Bug c++/57728] Explicit template instantiation with defaulted method causes missing symbol

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57728 --- Comment #15 from Jonathan Wakely --- Jens, see the discussion in https://bugs.llvm.org/show_bug.cgi?id=22763 Jason, should this be closed as FIXED for 6.3 and up? I believe what Jens observes is the intended behaviour of GCC and Clang now.

[Bug libstdc++/67632] explicit instantiation omits copy constructor and others

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67632 Jonathan Wakely changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/57728] Explicit template instantiation with defaulted method causes missing symbol

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57728 Jonathan Wakely changed: What|Removed |Added CC||jlink at drw dot com --- Comment #14

[Bug c++/84938] [7/8 Regression] internal compiler error: in gen_reg_rtx, at emit-rtl.c:1187 (gen_reg_rtx()/maybe_legitimize_operand())

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84938 Jason Merrill changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

Re: [PATCH, rtl] Fix PR84878: Segmentation fault in add_cross_iteration_register_deps

On 4/4/18 2:23 PM, Richard Biener wrote: > On April 4, 2018 8:25:25 PM GMT+02:00, Peter Bergner > wrote: >>> Nobody mentioned if this was a regression or not, so I did some testing >>> and it ICEs on GCC 7 but not on GCC 6. Is it ok to back port to GCC 7 >>> assuming

[Bug sanitizer/85213] [8 Regression] -fsanitize=undefined internal compiler error: in fold_convert_loc, at fold-const.c:2402

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85213 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

Re: [PATCH, rs6000] Undefine vector, bool, pixel in xmmintrin.h

On Apr 4, 2018, at 3:51 PM, Jakub Jelinek wrote: > > On Wed, Apr 04, 2018 at 03:47:18PM -0500, Bill Schmidt wrote: >>> If we (for GCC9?) want to create a spot for target C++ tests, we should >>> just add g++.target// directories and add all the needed infrastructure >>> for

Re: [PATCH, rs6000] Undefine vector, bool, pixel in xmmintrin.h

> On Apr 4, 2018, at 3:53 AM, Jakub Jelinek wrote: > > On Sun, Apr 01, 2018 at 08:24:32PM -0500, Bill Schmidt wrote: >> I also updated the gcc.target/powerpc/powerpc.exp file to allow C++ >> tests to be placed in that directory (with a *.C suffix). > > I think this is wrong.

[Bug sanitizer/85213] New: -fsanitize=undefined internal compiler error: in fold_convert_loc, at fold-const.c:2402

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85213 Bug ID: 85213 Summary: -fsanitize=undefined internal compiler error: in fold_convert_loc, at fold-const.c:2402 Product: gcc Version: 8.0.1 Status: UNCONFIRMED

[Bug tree-optimization/85212] New: Parallelizable loop isn't unrolled [regression bug?]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85212 Bug ID: 85212 Summary: Parallelizable loop isn't unrolled [regression bug?] Product: gcc Version: 7.3.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug c++/81575] [7/8 Regression] ICE on C++ code: in cp_build_addr_expr_1, at cp/typeck.c:5793

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81575 Volker Reichelt changed: What|Removed |Added Known to fail|8.0 |7.3.0 --- Comment #7 from Volker

[C++ PATCH] Fix __builtin_constant_p constexpr handling (PR inline-asm/85172)

Hi! As the following testcases show, potential_constant_expression_1 for some builtins returns true no matter what their arguments contain (intentionally so); the problem is that we call unconditionally cxx_eval_constant_expression on those arguments and that creates a loophole; normally

Re: [wwwdocs] gcc-8/changes.html additions

On 04/04/2018 12:24 PM, Bernd Edlinger wrote: Hi, this adds a few gcc command line options to gcc-8/changes.html which I added for gcc-8. Just a couple of suggestions: 1) Use to render sizeof in monospace: + -Wsizeof-pointer-div warns for suspicious divisions + of two sizeof

[Bug inline-asm/85185] Wider-than-expected load for struct member used as operand of inline-asm with memory clobber at -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85185 Andrew Waterman changed: What|Removed |Added CC||andrew at sifive dot com --- Comment

Re: C++ PATCH for c++/84221, bogus -Wunused with unused attribute on template

On 04/04/2018 01:58 PM, Jason Merrill wrote: On Wed, Apr 4, 2018 at 3:52 PM, Martin Sebor wrote: On 04/04/2018 01:04 PM, Jason Merrill wrote: For bugs 54372 and 60063, we changed attributes used and unused to be applied immediately in a template even if what they apply to

[Bug c++/84221] [6/7 Regression] spurious -Wunused warning on a variable of a template type declared unused

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84221 --- Comment #4 from Jason Merrill --- Author: jason Date: Wed Apr 4 19:59:20 2018 New Revision: 259106 URL: https://gcc.gnu.org/viewcvs?rev=259106=gcc=rev Log: PR c++/84221 * g++.dg/warn/Wunused-var-32.C: Test explicit specialization.

Re: [wwwdocs] gcc-8/changes.html additions

On Wed, 4 Apr 2018, Jakub Jelinek wrote: > Following patch documents store merging improvements, > -fsanitize=builtin, -fsanitize=pointer-overflow and C++2A progress. This is the week of release notes updates, it seems? :-) > +The undefined behavior sanitizer gained two new options included

Re: C++ PATCH for c++/84221, bogus -Wunused with unused attribute on template

On Wed, Apr 4, 2018 at 3:58 PM, Jason Merrill wrote: > On Wed, Apr 4, 2018 at 3:52 PM, Martin Sebor wrote: >> On 04/04/2018 01:04 PM, Jason Merrill wrote: >>> >>> For bugs 54372 and 60063, we changed attributes used and unused to be >>> applied immediately in

[Bug c++/80026] [pending testcase installation] passing unresolved function pointer to variadic function template yields "too many arguments" error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80026 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED

Re: C++ PATCH for c++/84221, bogus -Wunused with unused attribute on template

On Wed, Apr 4, 2018 at 3:52 PM, Martin Sebor wrote: > On 04/04/2018 01:04 PM, Jason Merrill wrote: >> >> For bugs 54372 and 60063, we changed attributes used and unused to be >> applied immediately in a template even if what they apply to is >> dependent, to avoid bogus warnings

[Bug c++/80026] [pending testcase installation] passing unresolved function pointer to variadic function template yields "too many arguments" error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80026 --- Comment #6 from paolo at gcc dot gnu.org --- Author: paolo Date: Wed Apr 4 19:57:33 2018 New Revision: 259105 URL: https://gcc.gnu.org/viewcvs?rev=259105=gcc=rev Log: 2018-04-04 Paolo Carlini PR

[Bug inline-asm/85172] internal compiler error: unexpected expression '' of kind asm_expr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85172 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug inline-asm/85172] internal compiler error: unexpected expression '' of kind asm_expr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85172 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Wed Apr 4 19:55:56 2018 New Revision: 259104 URL: https://gcc.gnu.org/viewcvs?rev=259104=gcc=rev Log: PR inline-asm/85172 * constexpr.c (cxx_eval_builtin_function_call):

Re: [wwwdocs]Mention -ftree-loop-distribution

On Wed, 4 Apr 2018, Bin.Cheng wrote: > Thanks for the suggestions, attachment is the updated change. Ah, I thought (and would have been fine) you'd go ahead and commit with those changes. ;-) Yes, this is okay. Thanks, Gerald

Re: [PATCH 1/2] wwwdocs: Add bin/gcc-color-to-html.py

On Wed, 4 Apr 2018, David Malcolm wrote: > I've committed it to CVS, with the following changes: Lovely, thank you! Gerald

[Bug rtl-optimization/84878] ICE: Segmentation fault (in add_cross_iteration_register_deps)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84878 Peter Bergner changed: What|Removed |Added Status|RESOLVED|CLOSED --- Comment #8 from Peter

Re: C++ PATCH for c++/84221, bogus -Wunused with unused attribute on template

On 04/04/2018 01:04 PM, Jason Merrill wrote: For bugs 54372 and 60063, we changed attributes used and unused to be applied immediately in a template even if what they apply to is dependent, to avoid bogus warnings from maybe_warn_unused_local_typedefs. But that's only an issue for TYPE_DECL, so

[Bug rtl-optimization/84878] ICE: Segmentation fault (in add_cross_iteration_register_deps)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84878 --- Comment #7 from Peter Bergner --- Author: bergner Date: Wed Apr 4 19:51:32 2018 New Revision: 259103 URL: https://gcc.gnu.org/viewcvs?rev=259103=gcc=rev Log: gcc/ Backport from mainline 2018-04-04 Peter Bergner

Re: [C++ PATCH] Fix __builtin_constant_p constexpr handling (PR inline-asm/85172)

OK. On Wed, Apr 4, 2018 at 3:39 PM, Jakub Jelinek wrote: > Hi! > > As the following testcases show, potential_constant_expression_1 for some > builtins returns true no matter what their arguments contain (intentionally > so); the problem is that we call unconditionally >

[Bug preprocessor/85211] -isystem automatically adds extern "C" to includes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85211 --- Comment #1 from Jonathan Wakely --- This behaviour is target-dependent. If the target defines NO_IMPLICIT_EXTERN_C then it doesn't happen.

Re: [PATCH 1/2] wwwdocs: Add bin/gcc-color-to-html.py

On Wed, 2018-04-04 at 21:01 +0200, Gerald Pfeifer wrote: > On Wed, 4 Apr 2018, David Malcolm wrote: > > Here's the new script I've been using for converting from > > diagnostic-color.c output to HTML spans that use gcc.css, > > via something like: > > > > LANG=C gcc $@

[Bug c++/85146] ICE with __direct_bases for declared but not defined struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85146 Jakub Jelinek changed: What|Removed |Added Keywords|ice-on-valid-code |ice-on-invalid-code --- Comment #3 from

[Bug libstdc++/67632] explicit instantiation omits copy constructor and others

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67632 --- Comment #12 from Jonathan Wakely --- It seems to have been fixed in 6.3.0 tmp$ ~/gcc/6.2.0/bin/g++ -E t.cc -o t.ii tmp$ ~/gcc/6.2.0/bin/g++ -E x.cc -o x.ii tmp$ ~/gcc/6.2.0/bin/g++ t.ii x.ii /tmp/ccdXPlNS.o: In function

[C++ PATCH] Fix invalid structured binding range for parsing error recovery (PR c++/85194)

Hi! The maybe_range_for_decl argument is documented on cp_parser_simple_declaration as: If MAYBE_RANGE_FOR_DECL is not NULL, the pointed tree will be set to the parsed declaration if it is an uninitialized single declarator not followed by a `;', or to error_mark_node otherwise. Either

[Bug preprocessor/85211] New: -isystem automatically adds extern "C" to includes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85211 Bug ID: 85211 Summary: -isystem automatically adds extern "C" to includes Product: gcc Version: 7.3.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug c++/85146] ICE with __direct_bases for declared but not defined struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85146 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Wed Apr 4 19:34:18 2018 New Revision: 259101 URL: https://gcc.gnu.org/viewcvs?rev=259101=gcc=rev Log: PR c++/85146 * cp-tree.h (calculate_bases, calculate_direct_bases):

[Bug c++/85210] New: ICE with broken structured binding in template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85210 Bug ID: 85210 Summary: ICE with broken structured binding in template Product: gcc Version: 8.0 Status: UNCONFIRMED Keywords: error-recovery, ice-on-invalid-code

Re: [PATCH] Add -C when using -Wimplicit-fallthrough and --save-temps (PR preprocessor/78497).

On Tue, Apr 03, 2018 at 02:29:37PM +0200, Martin Liška wrote: > Hi. > > This helps the warning with --save-temps. Doing that one needs to preserve > comments > in preprocessed source file. Do we really want to only use -C when -Wimplicit-fallthrough is in effect? I mean, shouldn't we always

Re: where should C++ options be documented?

On Wed, Apr 4, 2018 at 2:18 PM, Martin Sebor wrote: > On 04/04/2018 07:05 AM, Jason Merrill wrote: >> >> On Tue, Apr 3, 2018 at 7:05 PM, Martin Sebor wrote: >>> >>> On 04/03/2018 08:08 AM, Jason Merrill wrote: On Mon, Apr 2, 2018 at 9:33 PM, Martin

Re: [committed 2/2] wwwdocs: Document my gcc 8 changes for the website (v2)

On Wed, 2018-04-04 at 21:02 +0200, Gerald Pfeifer wrote: > On Wed, 4 Apr 2018, David Malcolm wrote: > > I made this version using gcc-color-to-html.py from the previous > > patch, > > to turn the SGR codes into spans for use with our gcc.css. > > Nice. Out of curiosity, did you do this manually

[Bug c++/85200] [8 Regression] ICE in constexpr-if in lambda in template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85200 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/85209] New: [8 Regression] ICE with lambda and structured binding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85209 Bug ID: 85209 Summary: [8 Regression] ICE with lambda and structured binding Product: gcc Version: 8.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal

Re: [PATCH, rtl] Fix PR84878: Segmentation fault in add_cross_iteration_register_deps

On April 4, 2018 8:25:25 PM GMT+02:00, Peter Bergner wrote: >On 4/4/18 10:43 AM, Peter Bergner wrote: >> On 4/4/18 2:15 AM, Richard Biener wrote: >>> On Tue, 3 Apr 2018, Peter Bergner wrote: >>> On 4/3/18 1:40 PM, H.J. Lu wrote: > On Tue, Apr 3, 2018 at 11:36 AM,

[Bug c++/85006] [7/8 Regression] [concepts] ICE with bogus parameter pack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85006 --- Comment #2 from Jason Merrill --- Author: jason Date: Wed Apr 4 19:19:34 2018 New Revision: 259100 URL: https://gcc.gnu.org/viewcvs?rev=259100=gcc=rev Log: PR c++/85006 - -fconcepts ICE with A return type * pt.c

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