[Bug c/94239] [10 regression] cc1 SEGV in get_location_from_adhoc_loc with gcc.dg/pr20245-1.c etc.

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94239 Richard Biener changed: What|Removed |Added Priority|P3 |P1

[Bug middle-end/94233] [OpenMP] ICE in lto1 for AMDGCN offloading: in dr_analyze_innermost, at tree-data-ref.c:925 for gcc-mainline/libgomp/testsuite/libgomp.c/target-link-1.c

2020-03-23 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94233 --- Comment #3 from CVS Commits --- The master branch has been updated by Tobias Burnus : https://gcc.gnu.org/g:b809f0b6580969c4f047f4dae072c090718efd76 commit r10-7326-gb809f0b6580969c4f047f4dae072c090718efd76 Author: Tobias Burnus Date:

[Bug lto/94237] [10 regression] Many (100s) of new LTO fails on Darwin targets

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94237 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/94263] build wxpython raspian

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94263 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0

[Bug libgomp/88707] Random failures of libgomp.c++/task-reduction-(8|10|11|13).C

2020-03-23 Thread eb at emlix dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88707 Rolf Eike Beer changed: What|Removed |Added CC||eb at emlix dot com --- Comment #4

[Bug tree-optimization/94266] aarch64:ICE during GIMPLE pass: forwprop

2020-03-23 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94266 --- Comment #4 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:263ee1260bc4017465a8ef722889ccc59fcee0d2 commit r10-7328-g263ee1260bc4017465a8ef722889ccc59fcee0d2 Author: Richard Biener Date:

[Bug rtl-optimization/92264] [10 Regression] Compile time hog in 521.wrf_r with -Ofast -march=znver2 -g since r276318

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92264 --- Comment #35 from Martin Liška --- The suggested patch helped to reduce compilation to: 2m54s

[Bug tree-optimization/94266] aarch64:ICE during GIMPLE pass: forwprop

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94266 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/94268] std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.

2020-03-23 Thread euloanty at live dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94268 --- Comment #5 from fdlbxtqi --- Here is the proof. https://bitbucket.org/ejsvifq_mabmip/fast_io/src/reserver_test/benchmarks/.10m_size_t/unit/streambuf_io_observer___gnu_cxx_stdio_filebuf.cc

[Bug target/94236] -mcmodel=large does not work on aarch64

2020-03-23 Thread baratharon at caesar dot elte.hu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94236 --- Comment #5 from Aron --- (In reply to Andrew Pinski from comment #4) > Do you have a source where you run into a relocation overflowing? > Or is there a specific reason why you need long calls here? The current form of Threos OS requires

[Bug ipa/94245] [10 Regression] ICE in ipa_find_agg_cst_for_param, at ipa-prop.c:3467 since r10-7237-g4e3d3e40726e1b68

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94245 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/94265] wrong warning "duplicated 'if' condition"

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94265 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug target/94236] -mcmodel=large does not work on aarch64

2020-03-23 Thread baratharon at caesar dot elte.hu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94236 --- Comment #7 from Aron --- (In reply to Andrew Pinski from comment #6) > Note for Threos OS, please don't reuse the same target triplet as elf or > linux; use your own triplet. Also adding long calls is not hard and such. As a simple start,

[Bug c/94247] Wrong char-subscripts warning for limited-range index

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94247 Richard Biener changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug tree-optimization/94266] aarch64:ICE during GIMPLE pass: forwprop

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94266 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Assignee|unassigned at gcc

[Bug c/94247] Wrong char-subscripts warning for limited-range index

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94247 --- Comment #3 from Richard Biener --- Yes, it's bad programming practice to use 'char' for any arithmetic.

[Bug middle-end/94233] [OpenMP] ICE in lto1 for AMDGCN offloading: in dr_analyze_innermost, at tree-data-ref.c:925 for gcc-mainline/libgomp/testsuite/libgomp.c/target-link-1.c

2020-03-23 Thread burnus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94233 Tobias Burnus changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug ipa/94250] [10 Regression] valgrind error for ./g++.dg/ipa/remref-1.C

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94250 Martin Liška changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug ipa/94250] [10 Regression] valgrind error for ./g++.dg/ipa/remref-1.C

2020-03-23 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94250 --- Comment #6 from CVS Commits --- The master branch has been updated by Martin Liska : https://gcc.gnu.org/g:2fa4b1ffd6e4058e53b3a486494b00098ee1bf63 commit r10-7327-g2fa4b1ffd6e4058e53b3a486494b00098ee1bf63 Author: Martin Liska Date: Mon

[Bug libstdc++/94268] New: std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.

2020-03-23 Thread euloanty at live dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94268 Bug ID: 94268 Summary: std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI. Product: gcc

[Bug libstdc++/94268] std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.

2020-03-23 Thread euloanty at live dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94268 --- Comment #2 from fdlbxtqi --- The hacking code is here. https://bitbucket.org/ejsvifq_mabmip/fast_io/src/reserver_test/include/fast_io_legacy_impl/cpp/libstdc%2B%2B_libc%2B%2B.h

[Bug fortran/94270] New: Bogus unused dummy argument warning/error

2020-03-23 Thread jellby at yahoo dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94270 Bug ID: 94270 Summary: Bogus unused dummy argument warning/error Product: gcc Version: 7.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 --- Comment #3 from Richard Biener --- (In reply to Richard Biener from comment #2) > when placing gcc_unreachable () at the swapping place and most testcases > still pass when removing the IL operand swapping, only vect-cselim-1.c > runfails

[Bug ipa/94271] New: [8/9/10 Regression] lto1: error: two or more sections for .gnu.lto_fast_clamp.default.9.564bf999b130b5e since r8-1461-g871cc215f7507cbe

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94271 Bug ID: 94271 Summary: [8/9/10 Regression] lto1: error: two or more sections for .gnu.lto_fast_clamp.default.9.564bf999b130b5e since r8-1461-g871cc215f7507cbe Product: gcc

[Bug ipa/94271] [8/9/10 Regression] lto1: error: two or more sections for .gnu.lto_fast_clamp.default.9.564bf999b130b5e since r8-1461-g871cc215f7507cbe

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94271 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Ever confirmed|0

[Bug fortran/94246] [9/10 Regression] valgrind error for ./gfortran.dg/bessel_5.f90 since r9-1566-g87c789f1c0b2df41

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94246 Richard Biener changed: What|Removed |Added Keywords||error-recovery, |

[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0 Keywords|

[Bug libstdc++/94268] std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.

2020-03-23 Thread euloanty at live dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94268 --- Comment #3 from fdlbxtqi --- I have found out the reason. It is because the buffer size is too small on the windows. BUFSIZ == 512 You need to set the value to 4096 at least. I think even 65536 is something should be done since the windows

[Bug tree-optimization/94266] aarch64:ICE during GIMPLE pass: forwprop

2020-03-23 Thread qianchao9 at huawei dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94266 --- Comment #3 from Qian Chao --- Created attachment 48082 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48082=edit Add a check before forward propgating a ADDR_EXPR to a MEM_REF to solve the ICE.

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 --- Comment #2 from Richard Biener --- So I think we can avoid swapping operands but what we cannot (current) avoid is adjusting the tree code. The operand swapping should be subsumed by get_slp_defs no longer looking at the scalar stmt for

[Bug middle-end/94267] New: Missed folding of _MEM_REF

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94267 Bug ID: 94267 Summary: Missed folding of _MEM_REF Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end

[Bug middle-end/94267] Missed folding of _MEM_REF

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94267 Richard Biener changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org

[Bug lto/94249] [10 regression] Many -flto -fuse-linker-plugin tests FAIL: could not add symbols

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94249 --- Comment #10 from Martin Liška --- I've got it, sparc64 does not define __BIG_ENDIAN__. I'm testing a patch that does endianess detection based on __BYTE_ORDER__.

[Bug libstdc++/94268] std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.

2020-03-23 Thread euloanty at live dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94268 --- Comment #4 from fdlbxtqi --- (In reply to fdlbxtqi from comment #3) > I have found out the reason. It is because the buffer size is too small on > the windows. BUFSIZ == 512 > > You need to set the value to 4096 at least. I think even 65536

[Bug target/94236] -mcmodel=large does not work on aarch64

2020-03-23 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94236 --- Comment #6 from Andrew Pinski --- Note for Threos OS, please don't reuse the same target triplet as elf or linux; use your own triplet. Also adding long calls is not hard and such.

[Bug tree-optimization/94266] aarch64:ICE during GIMPLE pass: forwprop

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94266 --- Comment #2 from Richard Biener --- This looks latent somewhat. The issue is manifold - first we end up with _MEM_REF [_1] where the TARGET_MEM_REF was not canonicalized to a MEM_REF because static tree create_mem_ref_raw (tree type, tree

[Bug libgomp/81689] libgomp.c/target-link-1.c fails for nvptx: #pragma omp target link not implemented

2020-03-23 Thread burnus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81689 Tobias Burnus changed: What|Removed |Added CC||burnus at gcc dot gnu.org

[Bug libstdc++/94268] std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.

2020-03-23 Thread euloanty at live dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94268 fdlbxtqi changed: What|Removed |Added Host||Windows 10. MinGW-W64 Target|

[Bug rtl-optimization/92264] [10 Regression] Compile time hog in 521.wrf_r with -Ofast -march=znver2 -g since r276318

2020-03-23 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92264 --- Comment #34 from Jakub Jelinek --- Created attachment 48081 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48081=edit gcc10-pr92264-wip.patch Further updated patch, this one passes bootstrap on both x86_64-linux and i686-linux and

[Bug tree-optimization/94269] New: widening_mul should consider block frequency

2020-03-23 Thread felix.yang at huawei dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94269 Bug ID: 94269 Summary: widening_mul should consider block frequency Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 --- Comment #4 from Richard Biener --- Created attachment 48083 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48083=edit proposed patch untested sofar.

[Bug ipa/94245] [10 Regression] ICE in ipa_find_agg_cst_for_param, at ipa-prop.c:3467 since r10-7237-g4e3d3e40726e1b68

2020-03-23 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94245 --- Comment #2 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:7a2090b04e54ffccc64ad2dfd5b46eb4bb8ce482 commit r10-7329-g7a2090b04e54ffccc64ad2dfd5b46eb4bb8ce482 Author: Richard Biener Date:

[Bug ipa/94245] [10 Regression] ICE in ipa_find_agg_cst_for_param, at ipa-prop.c:3467 since r10-7237-g4e3d3e40726e1b68

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94245 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug debug/94272] [8/9/10 Regression] -fcompare-debug failure (length) with -O -fnon-call-exceptions since r8-5241

2020-03-23 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94272 Jakub Jelinek changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org

[Bug target/94220] libgcc FTB for ARM Thumb when optimizing for size

2020-03-23 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94220 Richard Earnshaw changed: What|Removed |Added Summary|libgcc FTB for ARM Thump|libgcc FTB for ARM Thumb

[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

2020-03-23 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254 Segher Boessenkool changed: What|Removed |Added CC||meissner at gcc dot gnu.org ---

[Bug debug/94273] [10 Regression] ICE in splice_child_die, at dwarf2out.c:5657 since r10-7235-g52b3aa8be1893848

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94273 Martin Liška changed: What|Removed |Added Priority|P3 |P1 Target Milestone|---

[Bug debug/94273] [10 Regression] ICE in splice_child_die, at dwarf2out.c:5657 since r10-7235-g52b3aa8be1893848

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94273 Martin Liška changed: What|Removed |Added Ever confirmed|0 |1 CC|

[Bug c++/94276] [9/10 Regression] g++: error: gcc/testsuite/g++.dg/ext/stmtexpr3.C: -fcompare-debug failure since r9-3352-g87bd153645f393a1

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94276 Martin Liška changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot gnu.org

[Bug target/94236] -mcmodel=large does not work on aarch64

2020-03-23 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94236 --- Comment #8 from Richard Earnshaw --- (In reply to Andrew Pinski from comment #6) > Note for Threos OS, please don't reuse the same target triplet as elf or > linux; use your own triplet. Also adding long calls is not hard and such. The

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 --- Comment #8 from Richard Biener --- (In reply to rsand...@gcc.gnu.org from comment #7) > (In reply to Richard Biener from comment #6) > > (In reply to rsand...@gcc.gnu.org from comment #5) > > > (In reply to Richard Biener from comment #3) >

[Bug c++/94273] ice in splice_child_die, at dwarf2out.c:5657

2020-03-23 Thread dcb314 at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94273 --- Comment #2 from David Binderman --- Reduced C++ source code is class a { virtual void c() {} } extern b; a b; Flag -g1 required.

[Bug libstdc++/94275] New: /usr/ccs/bin/ld: Unsatisfied symbols: _ZNSs4_Rep20_S_empty_rep_storageE

2020-03-23 Thread danglin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94275 Bug ID: 94275 Summary: /usr/ccs/bin/ld: Unsatisfied symbols: _ZNSs4_Rep20_S_empty_rep_storageE Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/94274] fold phi whose incoming args are defined from binary operations

2020-03-23 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94274 --- Comment #1 from Marc Glisse --- Detecting common beginnings / endings in branches is something gcc does very seldom. Even at -Os, for if(cond)f(b);else f(c); we need to wait until rtl-optimizations to get a single call to f. (of course the

[Bug tree-optimization/94043] [9/10 Regression] ICE in superloop_at_depth, at cfgloop.c:78

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94043 --- Comment #9 from Richard Biener --- OK, so it's indeed vectorizable_live_operation not paying attention to loop-closed SSA form. What it should do before building the lane extract is create a _new_ loop-closed PHI node for the vectorized def

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 --- Comment #6 from Richard Biener --- (In reply to rsand...@gcc.gnu.org from comment #5) > (In reply to Richard Biener from comment #3) > > (In reply to Richard Biener from comment #2) > > > when placing gcc_unreachable () at the swapping place

[Bug c++/94252] Can't use a lambda in a requires expression

2020-03-23 Thread julius_huelsmann at freenet dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94252 --- Comment #1 from Julius Hülsmann --- This seems to apply to member functions aswell; the following assertion fails aswell on gcc-trunk on [compilerExplorer](https://godbolt.org/z/NxgkH5) struct T { int f(int) noexcept; }; int main() {

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Assignee|unassigned

[Bug libstdc++/94268] std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.

2020-03-23 Thread euloanty at live dot com
ion gcc (master HEAD with MCF thread model, built by cqwrteur.) 10.0.1 20200323 (experimental) Copyright (C) 2020 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. D:\hg

[Bug c++/94276] New: [9/10 Regression] g++: error: gcc/testsuite/g++.dg/ext/stmtexpr3.C: -fcompare-debug failure since r9-3352-g87bd153645f393a1

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94276 Bug ID: 94276 Summary: [9/10 Regression] g++: error: gcc/testsuite/g++.dg/ext/stmtexpr3.C: -fcompare-debug failure since r9-3352-g87bd153645f393a1 Product: gcc

[Bug c++/94044] [10 Regression] internal compiler error: in comptypes, at cp/typeck.c:1490 on riscv64-unknown-linux-gnu and arm-eabi

2020-03-23 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94044 --- Comment #11 from CVS Commits --- The master branch has been updated by Nathan Sidwell : https://gcc.gnu.org/g:26b3e568a60e9fd851efb436531752a5e49e6419 commit r10-7330-g26b3e568a60e9fd851efb436531752a5e49e6419 Author: Nathan Sidwell Date:

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 --- Comment #5 from rsandifo at gcc dot gnu.org --- (In reply to Richard Biener from comment #3) > (In reply to Richard Biener from comment #2) > > when placing gcc_unreachable () at the swapping place and most testcases > > still pass when

[Bug libstdc++/94268] std::filebuf is extremely (at least 10x) slow on windows compared to Linux. Even much slower MSVC STL with terrible ABI.

2020-03-23 Thread euloanty at live dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94268 --- Comment #6 from fdlbxtqi --- Created attachment 48086 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48086=edit simple patch

[Bug c++/94273] ice in splice_child_die, at dwarf2out.c:5657

2020-03-23 Thread dcb314 at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94273 --- Comment #1 from David Binderman --- The problem seems to occur first sometime between 20200317 and 20200318: /home/dcb/gcc/results.20200317.asan/bin/g++ /home/dcb/gcc/results.20200317/bin/g++ /home/dcb/gcc/results.20200317.ubsan/bin/g++

[Bug c/94253] FAIL: gfortran.dg/bind_c_coms.f90 -O0 (test for excess errors)

2020-03-23 Thread danglin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94253 John David Anglin changed: What|Removed |Added Component|target |c --- Comment #1 from John David

[Bug target/94248] [amdgcn] Doesn't build with RTL checking

2020-03-23 Thread tschwinge at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94248 --- Comment #2 from Thomas Schwinge --- (In reply to Jakub Jelinek from comment #1) > --- gcc/config/gcn/gcn.md.jj 2020-03-03 07:57:42.363827602 +0100 > +++ gcc/config/gcn/gcn.md 2020-03-21 15:37:45.337552515 +0100 > @@ -625,7 +625,7 @@

[Bug debug/94272] New: [8/9/10 Regression] -fcompare-debug failure (length) with -O -fnon-call-exceptions

2020-03-23 Thread zsojka at seznam dot cz
-ld --with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r10-7327-20200323085706-g2fa4b1ffd6e-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.0.1 20200323 (experimental) (GCC)

[Bug tree-optimization/94261] [10 Regression] ICE in vect_get_vec_def_for_operand_1 for 3-element condition reduction

2020-03-23 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94261 --- Comment #7 from rsandifo at gcc dot gnu.org --- (In reply to Richard Biener from comment #6) > (In reply to rsand...@gcc.gnu.org from comment #5) > > (In reply to Richard Biener from comment #3) > > > (In reply to Richard Biener from

[Bug ipa/94271] [8/9/10 Regression] lto1: error: two or more sections for .gnu.lto_fast_clamp.default.9.564bf999b130b5e since r8-1461-g871cc215f7507cbe

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94271 Martin Liška changed: What|Removed |Added Known to fail||10.0, 8.4.0, 9.3.0 Known to work|

[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

2020-03-23 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254 --- Comment #9 from rsandifo at gcc dot gnu.org --- (In reply to Segher Boessenkool from comment #8) > SFmode values are stored as DP IEEE float normally. There may be other > cases as well, but this is the obvious one. OK, thanks. Does the

[Bug c++/94044] [10 Regression] internal compiler error: in comptypes, at cp/typeck.c:1490 on riscv64-unknown-linux-gnu and arm-eabi

2020-03-23 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94044 Nathan Sidwell changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/94248] [amdgcn] Doesn't build with RTL checking

2020-03-23 Thread ams at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94248 --- Comment #3 from Andrew Stubbs --- Actually, I think that recent changes to the register alignment mean that this can't happen any more, so the whole check is probably obsolete. I thought that --enable-checking=yes was already covering this.

[Bug c++/94273] New: ice in splice_child_die, at dwarf2out.c:5657

2020-03-23 Thread dcb314 at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94273 Bug ID: 94273 Summary: ice in splice_child_die, at dwarf2out.c:5657 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug tree-optimization/94274] New: fold phi whose incoming args are defined from binary operations

2020-03-23 Thread z.zhanghaijian at huawei dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94274 Bug ID: 94274 Summary: fold phi whose incoming args are defined from binary operations Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal

[Bug debug/94272] [8/9/10 Regression] -fcompare-debug failure (length) with -O -fnon-call-exceptions since r8-5241

2020-03-23 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94272 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|NEW Assignee|jakub at gcc dot

[Bug libstdc++/94275] /usr/ccs/bin/ld: Unsatisfied symbols: _ZNSs4_Rep20_S_empty_rep_storageE

2020-03-23 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94275 --- Comment #1 from Jonathan Wakely --- That symbol has been there (unchanged) for a couple of decades, so I'm not sure what causes this.

[Bug c++/94276] [9/10 Regression] g++: error: gcc/testsuite/g++.dg/ext/stmtexpr3.C: -fcompare-debug failure since r9-3352-g87bd153645f393a1

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94276 Martin Liška changed: What|Removed |Added Last reconfirmed||2020-03-23 Known to work|

[Bug target/94279] New: [amdgcn] internal compiler error: RTL check: expected code 'const_int', have 'reg' in rtx_to_poly_int64, at rtl.h:2379

2020-03-23 Thread tschwinge at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94279 Bug ID: 94279 Summary: [amdgcn] internal compiler error: RTL check: expected code 'const_int', have 'reg' in rtx_to_poly_int64, at rtl.h:2379 Product: gcc

[Bug debug/94283] New: [8/9/10 Regression] gcc: error: gcc/testsuite/gcc.dg/fold-bopcond-1.c: ‘-fcompare-debug’ failure since r7-4804-gb54819879e0518b3

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94283 Bug ID: 94283 Summary: [8/9/10 Regression] gcc: error: gcc/testsuite/gcc.dg/fold-bopcond-1.c: ‘-fcompare-debug’ failure since r7-4804-gb54819879e0518b3

[Bug target/94282] New: [amdgcn] ld: error: undefined symbol: __gxx_personality_v0

2020-03-23 Thread tschwinge at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94282 Bug ID: 94282 Summary: [amdgcn] ld: error: undefined symbol: __gxx_personality_v0 Product: gcc Version: unknown Status: UNCONFIRMED Keywords: openacc, openmp

[Bug debug/94272] [8/9/10 Regression] -fcompare-debug failure (length) with -O -fnon-call-exceptions since r8-5241

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94272 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug debug/94283] [8/9/10 Regression] gcc: error: gcc/testsuite/gcc.dg/fold-bopcond-1.c: ‘-fcompare-debug’ failure since r7-4804-gb54819879e0518b3

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94283 Martin Liška changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug ipa/94271] [8/9/10 Regression] lto1: error: two or more sections for .gnu.lto_fast_clamp.default.9.564bf999b130b5e since r8-1461-g871cc215f7507cbe

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94271 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.5 Priority|P3

[Bug c++/94276] [9/10 Regression] g++: error: gcc/testsuite/g++.dg/ext/stmtexpr3.C: -fcompare-debug failure since r9-3352-g87bd153645f393a1

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94276 Martin Liška changed: What|Removed |Added Assignee|marxin at gcc dot gnu.org |unassigned at gcc dot gnu.org

[Bug rtl-optimization/94286] [10 Regression] ICE: in decompose, at rtl.h:2279 with __builtin_sub_overflow() at -O -g

2020-03-23 Thread zsojka at seznam dot cz
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94286 --- Comment #1 from Zdenek Sojka --- Maybe somehow related to PR89506 , which is fixed on trunk, but has a similar testcase.

[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

2020-03-23 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254 rsandifo at gcc dot gnu.org changed: What|Removed |Added Attachment #48080|0 |1 is obsolete|

[Bug tree-optimization/94274] fold phi whose incoming args are defined from binary operations

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94274 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug libgomp/81689] libgomp.c/target-link-1.c fails for nvptx: #pragma omp target link not implemented

2020-03-23 Thread burnus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81689 --- Comment #2 from Tobias Burnus --- While the two PRs have fixed offloading for AMDGCN, nvptx still fails with the same error. The generated assembler is: "ld.global.u64 %r27,[a$linkptr];\n" But there is NO associated global-var declaration

[Bug debug/94285] New: [9/10 Regression] gfortran: error: gcc/testsuite/gfortran.dg/array_constructor_40.f90: ‘-fcompare-debug’ failure (length) sincer10-1654-gffdc40a90faec54d

2020-03-23 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94285 Bug ID: 94285 Summary: [9/10 Regression] gfortran: error: gcc/testsuite/gfortran.dg/array_constructor_40.f90: ‘-fcompare-debug’ failure (length)

[Bug libstdc++/94275] /usr/ccs/bin/ld: Unsatisfied symbols: _ZNSs4_Rep20_S_empty_rep_storageE

2020-03-23 Thread dave.anglin at bell dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94275 --- Comment #2 from dave.anglin at bell dot net --- There's a small chance the symbol disappeared due to an experimental change relating to PR 94253.  Otherwise, nothing has changed in the PA back end for some time.

[Bug debug/94277] [9/10 Regression] error: undef.c: ‘-fcompare-debug’ failure (length) since r9-6413-g1db01ff96aa5ce5c

2020-03-23 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94277 Jakub Jelinek changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org

[Bug rtl-optimization/94286] New: [10 Regression] ICE: in decompose, at rtl.h:2279 with __builtin_sub_overflow() at -O -g

2020-03-23 Thread zsojka at seznam dot cz
-r10-7327-20200323085706-g2fa4b1ffd6e-checking-yes-rtl-df-extra-armv7a-hardfloat Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.0.1 20200323 (experimental) (GCC)

[Bug debug/94280] error: gcc/testsuite/gfortran.dg/iso_c_binding_compiler_1.f90: ‘-fcompare-debug’ failure

2020-03-23 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94280 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #1

[Bug rtl-optimization/94286] [10 Regression] ICE: in decompose, at rtl.h:2279 with __builtin_sub_overflow() at -O -g

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94286 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0

[Bug debug/94284] [9/10 Regression] gcc: error: fort.f90: ‘-fcompare-debug’ failure (length) since r9-7156-g33579b59aaf02eb7

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94284 Richard Biener changed: What|Removed |Added Target Milestone|--- |9.4

[Bug debug/94285] [9/10 Regression] gfortran: error: gcc/testsuite/gfortran.dg/array_constructor_40.f90: ‘-fcompare-debug’ failure (length) sincer10-1654-gffdc40a90faec54d

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94285 Richard Biener changed: What|Removed |Added Target Milestone|--- |9.4

[Bug debug/94283] [8/9/10 Regression] gcc: error: gcc/testsuite/gcc.dg/fold-bopcond-1.c: ‘-fcompare-debug’ failure since r7-4804-gb54819879e0518b3

2020-03-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94283 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.5

[Bug preprocessor/94287] [10 Regression] ICE in linemap_ordinary_map_lookup, at libcpp/line-map.c:993

2020-03-23 Thread asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94287 --- Comment #1 from Arseny Solokha --- Though it's likely a duplicate of PR94239.

[Bug c++/90992] [9/10 Regression] -Wnoexcept produce false positive

2020-03-23 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90992 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

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