[Bug target/82887] ICE: in extract_insn, at recog.c:2287 (unrecognizable insn) with _mm512_extracti64x4_epi64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887 --- Comment #2 from Jakub Jelinek --- There was no plan to backport it, it seems too large/risky to me. There were tons of other changes in the AVX512* support and it is unclear how this would interact without the other changes.

[Bug rtl-optimization/82675] ICE in duplicate_loop_to_header_edge at gcc/cfgloopmanip.c:1207

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82675 --- Comment #2 from Martin Liška --- Patch candidate: https://gcc.gnu.org/ml/gcc-patches/2017-11/msg00546.html

[Bug sanitizer/82792] Fallthrough attribute ignored after label, and before with address sanitizer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82792 --- Comment #14 from Martin Liška --- Patch candidate: https://gcc.gnu.org/ml/gcc-patches/2017-11/msg00545.html

[Bug target/82887] ICE: in extract_insn, at recog.c:2287 (unrecognizable insn) with _mm512_extracti64x4_epi64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/82894] New: Inherited member functions do not create ambiguity

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82894 Bug ID: 82894 Summary: Inherited member functions do not create ambiguity Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug target/82863] [8 Regression] ICE in verify_flow_info building SH libgcc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82863 Martin Liška changed: What|Removed |Added Keywords||ice-on-valid-code Status|UNCO

[Bug c/82892] Spelling hints do not take into account missing compiler options (e.g. -fopenmp)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82892 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/82893] Bad diagnostic on negative sized array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82893 Martin Sebor changed: What|Removed |Added Keywords||diagnostic Status|UNCONFIRMED

[Bug tree-optimization/80147] missing maybe-uninitialized warning on variable with no side effects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80147 --- Comment #5 from Vincent Lefèvre --- (In reply to Andrew Pinski from comment #4) > For that example you need -ftrapping-math (which may or may not be enabled > by default soon). The man page says: "The default is -ftrapping-math." But even w

[Bug tree-optimization/80147] missing maybe-uninitialized warning on variable with no side effects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80147 --- Comment #4 from Andrew Pinski --- >Or even on common architectures... Consider the following code: For that example you need -ftrapping-math (which may or may not be enabled by default soon).

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 80147, which changed state. Bug 80147 Summary: missing maybe-uninitialized warning on variable with no side effects https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80147 What|Removed |Adde

[Bug tree-optimization/80147] missing maybe-uninitialized warning on variable with no side effects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80147 Vincent Lefèvre changed: What|Removed |Added Status|RESOLVED|NEW Resolution|INVALID

[Bug tree-optimization/80147] missing maybe-uninitialized warning on variable with no side effects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80147 Manuel López-Ibáñez changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 80147, which changed state. Bug 80147 Summary: missing maybe-uninitialized warning on variable with no side effects https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80147 What|Removed |Adde

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 81329, which changed state. Bug 81329 Summary: Missing -Wmaybe-uninitialized warning https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81329 What|Removed |Added --

[Bug tree-optimization/18501] [6/7/8 Regression] Missing 'used uninitialized' warning (CCP)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18501 Manuel López-Ibáñez changed: What|Removed |Added CC||tudorb at gmail dot com --- Commen

[Bug middle-end/81329] Missing -Wmaybe-uninitialized warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81329 Manuel López-Ibáñez changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 82552, which changed state. Bug 82552 Summary: No warning when using uninitialized values in initializer list https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82552 What|Removed |Added

[Bug c++/82552] No warning when using uninitialized values in initializer list

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82552 Manuel López-Ibáñez changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 82810, which changed state. Bug 82810 Summary: missed uninitialized variable warning in for/while loop https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82810 What|Removed |Added

[Bug c++/19808] miss a warning about uninitialized member usage in member initializer list in constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19808 Manuel López-Ibáñez changed: What|Removed |Added CC||s-beyer at gmx dot net --- Comment

[Bug middle-end/82810] missed uninitialized variable warning in for/while loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82810 Manuel López-Ibáñez changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug tree-optimization/18501] [6/7/8 Regression] Missing 'used uninitialized' warning (CCP)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18501 --- Comment #81 from Manuel López-Ibáñez --- *** Bug 82810 has been marked as a duplicate of this bug. ***

[Bug middle-end/82839] missing -Wmaybe-uninitialized warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82839 Manuel López-Ibáñez changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug middle-end/19430] taking address of a var causes missing uninitialized warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19430 Manuel López-Ibáñez changed: What|Removed |Added CC||arnd at linaro dot org --- Comment

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 82839, which changed state. Bug 82839 Summary: missing -Wmaybe-uninitialized warning https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82839 What|Removed |Added --

[Bug c/82272] RFE: request a warning for ( == ) etc.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82272 --- Comment #4 from joseph at codesourcery dot com --- I should point out that expanding to the tokens 0 and 1 for C does not in any way prevent warning (it's a perfectly reasonable optional style warning); you could for example have the prepro

[Bug fortran/82886] ICE with -finit-derived in gfc_conv_expr, at fortran/trans-expr.c:7807

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82886 Fritz Reese changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned at

[Bug c++/82893] New: Bad diagnostic on negative sized array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82893 Bug ID: 82893 Summary: Bad diagnostic on negative sized array Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c/82892] New: Spelling hints do not take into account missing compiler options (e.g. -fopenmp)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82892 Bug ID: 82892 Summary: Spelling hints do not take into account missing compiler options (e.g. -fopenmp) Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity

[Bug libstdc++/82891] New: stable_sort() won't compile with function object that takes parameters by non-const reference

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82891 Bug ID: 82891 Summary: stable_sort() won't compile with function object that takes parameters by non-const reference Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug c++/82835] [8 Regression] ICE on valid code with -fopenmp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82835 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/82835] [8 Regression] ICE on valid code with -fopenmp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82835 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Tue Nov 7 20:51:05 2017 New Revision: 254511 URL: https://gcc.gnu.org/viewcvs?rev=254511&root=gcc&view=rev Log: PR c++/82835 * cp-gimplify.c (cxx_omp_clause_apply_fn): Fo

[Bug target/82855] AVX512: replace OP+movemask with OP_mask+ktest

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82855 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Tue Nov 7 20:49:30 2017 New Revision: 254510 URL: https://gcc.gnu.org/viewcvs?rev=254510&root=gcc&view=rev Log: PR target/82855 * config/i386/i386.md (SWI1248_AVX512BWDQ2

[Bug target/82855] AVX512: replace OP+movemask with OP_mask+ktest

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82855 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Tue Nov 7 20:48:35 2017 New Revision: 254509 URL: https://gcc.gnu.org/viewcvs?rev=254509&root=gcc&view=rev Log: PR target/82855 * config/i386/i386.c (ix86_swap_binary_ope

[Bug demangler/82890] New: Demangler segfaults

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82890 Bug ID: 82890 Summary: Demangler segfaults Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: demangler Assignee:

[Bug rtl-optimization/82889] New: Unnecessary sign extension of int32 to int64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82889 Bug ID: 82889 Summary: Unnecessary sign extension of int32 to int64 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: rt

[Bug bootstrap/82831] [8 Regression] Broken PGO bootstrap on i586-linux-gnu after r254379

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82831 --- Comment #3 from Martin Liška --- The problematic block (for which we trigger the assert is): (gdb) p debug_bb(bb) (code_label 8952 8954 310 18 1247 (nil) [2 uses]) (note 310 8952 311 18 [bb 18] NOTE_INSN_BASIC_BLOCK) (insn:TI 311 310 313 18

[Bug c++/82768] ICE in synthesize_implicit_template_parm, at cp/parser.c:39338

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82768 Casey Carter changed: What|Removed |Added CC||Casey at Carter dot net --- Comment #2 fr

[Bug c/82272] RFE: request a warning for ( == ) etc.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82272 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/82812] ICE in emit_move_insn, at expr.c:3706

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82812 --- Comment #3 from Kirill Yukhin --- Author: kyukhin Date: Tue Nov 7 19:11:08 2017 New Revision: 254507 URL: https://gcc.gnu.org/viewcvs?rev=254507&root=gcc&view=rev Log: Fix SSE bits dependencies. gcc/ PR target/82812 * commo

[Bug target/80425] Extra inter-unit register move with zero-extension

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80425 Uroš Bizjak changed: What|Removed |Added Keywords|ra | Status|NEW

[Bug tree-optimization/80925] [8 Regression] vect peeling failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80925 --- Comment #28 from seurer at gcc dot gnu.org --- FWIW I am still seeing these fail: FAIL: g++.dg/vect/slp-pr56812.cc -std=c++11 scan-tree-dump-times slp1 "basic block vectorized" 1 (found 0 times) FAIL: g++.dg/vect/slp-pr56812.cc -std=c++14

[Bug other/81096] [8 regression] test case ttest in libbacktrace fails starting with its introduction in r249111

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81096 seurer at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED Resolution|-

[Bug c++/82888] terrible code generation for initialization of POD array members vs. clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/80425] Extra inter-unit register move with zero-extension

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80425 --- Comment #7 from uros at gcc dot gnu.org --- Author: uros Date: Tue Nov 7 18:51:22 2017 New Revision: 254505 URL: https://gcc.gnu.org/viewcvs?rev=254505&root=gcc&view=rev Log: PR target/80425 * config/i386.i386.md (*zero_exten

[Bug c++/82888] terrible code generation for initialization of POD array members vs. clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888 --- Comment #4 from Marc Glisse --- The front-end internally uses VEC_INIT_EXPR, and gimplifies it to a loop. I believe we should end up with an empty CONSTRUCTOR instead.

[Bug c++/82888] terrible code generation for initialization of POD array members vs. clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888 --- Comment #3 from Nathan Froyd --- Thanks, I didn't think to test -O3. Do we get the memset at -O3 because loop idiom recognition is enabled? Producing the memset upfront probably generates better code for all cases, even if the frontend code

[Bug c++/82888] terrible code generation for initialization of POD array members vs. clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888 --- Comment #2 from jseward at acm dot org --- (In reply to Andrew Pinski from comment #1) > -O3 produces the memset: Having to go to -O3 to get reasonable code isn't a great solution, though. Couldn't gcc at least produce a word-at-a-time loop,

[Bug c++/82888] terrible code generation for initialization of POD array members vs. clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888 --- Comment #1 from Andrew Pinski --- -O3 produces the memset: _ZN1AC2Ev: .LFB1: .cfi_startproc mov x2, 4096 mov w1, 0 b memset .cfi_endproc

[Bug sanitizer/82869] c_associated does not always give false for null pointers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82869 Janne Blomqvist changed: What|Removed |Added URL||https://gcc.gnu.org/ml/gcc-

[Bug c++/82888] New: terrible code generation for initialization of POD array members vs. clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82888 Bug ID: 82888 Summary: terrible code generation for initialization of POD array members vs. clang Product: gcc Version: unknown Status: UNCONFIRMED Severity: no

[Bug middle-end/71942] [ARM] Zero-extending whats allready zero-extended even when -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71942 --- Comment #8 from Mikael Rosbacke --- Previous bug i filed was marked as a duplicate of this. Collecting my information from that report here. Same basic problem, slightly different symptom. --- old text --- I used the following code on arm-gc

[Bug middle-end/82885] memcpy does not propagate aliasing knowledge

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82885 --- Comment #1 from Marc Glisse --- gcc (illegally) generates some calls to memcpy(p,q,n) where p and q may be the same pointer, although they mustn't overlap in any more complicated way. That makes such an optimization problematic (although this

[Bug bootstrap/81149] [8 Regression] profiledbootstrap failed with LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81149 H.J. Lu changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug bootstrap/81149] [8 Regression] profiledbootstrap failed with LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81149 H.J. Lu changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|DUPLICATE

[Bug target/82887] New: ICE: in extract_insn, at recog.c:2287 (unrecognizable insn) with _mm512_extracti64x4_epi64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887 Bug ID: 82887 Summary: ICE: in extract_insn, at recog.c:2287 (unrecognizable insn) with _mm512_extracti64x4_epi64 Product: gcc Version: 6.3.0 Status: UNCONFIRMED

[Bug fortran/82886] ICE with -finit-derived in gfc_conv_expr, at fortran/trans-expr.c:7807

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82886 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c/53037] warn_if_not_aligned(X)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53037 --- Comment #42 from Eric Botcazou --- Author: ebotcazou Date: Tue Nov 7 17:37:29 2017 New Revision: 254503 URL: https://gcc.gnu.org/viewcvs?rev=254503&root=gcc&view=rev Log: PR c/53037 * stor-layout.c: Include attribs.h.

[Bug fortran/82884] ICE in gfc_resolve_character_array_constructor, at fortran/array.c:2069

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82884 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/82886] ICE with -finit-derived in gfc_conv_expr, at fortran/trans-expr.c:7807

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82886 --- Comment #1 from G. Steinmetz --- A possible reduction : $ cat z1.f90 program p use, intrinsic :: iso_c_binding, only: c_ptr, c_null_ptr type t type(c_ptr) :: my_c_ptr end type contains subroutine sub0() bind(c) type(t), tar

[Bug fortran/82886] New: ICE with -finit-derived in gfc_conv_expr, at fortran/trans-expr.c:7807

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82886 Bug ID: 82886 Summary: ICE with -finit-derived in gfc_conv_expr, at fortran/trans-expr.c:7807 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug middle-end/82885] New: memcpy does not propagate aliasing knowledge

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82885 Bug ID: 82885 Summary: memcpy does not propagate aliasing knowledge Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle

[Bug fortran/82884] New: ICE in gfc_resolve_character_array_constructor, at fortran/array.c:2069

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82884 Bug ID: 82884 Summary: ICE in gfc_resolve_character_array_constructor, at fortran/array.c:2069 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/65428] ICE on nest array constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65428 G. Steinmetz changed: What|Removed |Added CC||gs...@t-online.de --- Comment #5 from G.

[Bug rtl-optimization/82881] [8 Regression] ICE: in df_compact_blocks, at df-core.c:1729 with -freorder-blocks-algorithm=simple

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82881 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/82882] [8 regression] ICE Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82882 Jakub Jelinek changed: What|Removed |Added Keywords|needs-bisection | Status|UNCONFIRMED

[Bug target/82883] New: eax register unnecessary consumed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82883 Bug ID: 82883 Summary: eax register unnecessary consumed Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug middle-end/82404] Unnecessary instructions in switch table

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82404 --- Comment #10 from Antony Polukhin --- Do we need a autotest on that to make sure that cmp won't appear again?

[Bug c++/82882] New: [8 regression] ICE Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82882 Bug ID: 82882 Summary: [8 regression] ICE Segmentation fault Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug tree-optimization/82732] malloc+zeroing other than memset not optimized to calloc, so asm output is malloc+memset

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82732 --- Comment #7 from Jeffrey A. Law --- Given that both DOM and strlen are already dom walker based, getting better range information in them is going to be easy. The former is actually part of the motivation behind the refactoring work. We actu

[Bug tree-optimization/82732] malloc+zeroing other than memset not optimized to calloc, so asm output is malloc+memset

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82732 --- Comment #6 from Jakub Jelinek --- For this exact testcase anywhere in between ldist and strlen pass, so e.g. in dom or strlen passes. Though it would need to be something that handles what vrp handles with ASSERT_EXPRs. Yet another option is

[Bug tree-optimization/82732] malloc+zeroing other than memset not optimized to calloc, so asm output is malloc+memset

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82732 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #5 fr

[Bug target/82703] [7/8 Regression] Wrong addition of std::array components with -O2 -ftree-loop-vectorize -ftree-slp-vectorize (works fine with -O2)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82703 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/82881] New: [8 Regression] ICE: in df_compact_blocks, at df-core.c:1729 with -freorder-blocks-algorithm=simple

bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-254487-checking-yes-rtl-df-extra-nographite-amd64 Thread model: posix gcc version 8.0.0 20171107 (experimental) (GCC)

[Bug tree-optimization/82732] malloc+zeroing other than memset not optimized to calloc, so asm output is malloc+memset

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82732 Jakub Jelinek changed: What|Removed |Added CC||aldyh at gcc dot gnu.org,

[Bug debug/82837] [8 Regression] ICE in output_operand: invalid expression as operand

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82837 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED URL|

[Bug c++/82835] [8 Regression] ICE on valid code with -fopenmp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82835 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug middle-end/82878] [7/8 Regression] ICE in assign_temp, at function.c:968 when using optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 Jakub Jelinek changed: What|Removed |Added Keywords|needs-bisection | Status|NEW

[Bug middle-end/82878] [7/8 Regression] ICE in assign_temp, at function.c:968 when using optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org Assig

[Bug tree-optimization/58774] tree-switch-conversion doesn't optimize with content in default scase

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58774 --- Comment #5 from Shawn Landden --- Appears fixed

[Bug tree-optimization/58774] tree-switch-conversion doesn't optimize with content in default scase

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58774 Shawn Landden changed: What|Removed |Added CC||slandden at gmail dot com --- Comment #4

[Bug middle-end/82878] [7/8 Regression] ICE in assign_temp, at function.c:968 when using optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org,

[Bug ipa/82879] [8 regression] ICE in max, at profile-count.h:889

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82879 Martin Liška changed: What|Removed |Added Keywords||ice-on-valid-code Status|UNCO

[Bug other/82880] New: [6/7/8 Regression] gcc --help=target --help=optimizers hangs on mips

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82880 Bug ID: 82880 Summary: [6/7/8 Regression] gcc --help=target --help=optimizers hangs on mips Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug other/81712] gcc does not compile when using glib 2.26 (everything works fine with 2.25)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81712 Jan Smets changed: What|Removed |Added CC||jan.smets at nokia dot com --- Comment #7 fr

[Bug tree-optimization/71026] Missing division optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71026 --- Comment #8 from Wilco --- Author: wilco Date: Tue Nov 7 12:38:55 2017 New Revision: 254497 URL: https://gcc.gnu.org/viewcvs?rev=254497&root=gcc&view=rev Log: PR71026: Canonicalize negates in division Canonicalize x / (- y) into (-x) / y.

[Bug tree-optimization/81884] [6 Regression] Invalid code generation with zero size arrays or flexible array members

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81884 Richard Biener changed: What|Removed |Added CC||webstrand at gmail dot com --- Comment

[Bug tree-optimization/82870] [6 Regression] Assignment by Designated Initializer Overwrites a Flexible Array Member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82870 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/82870] [6 Regression] Assignment by Designated Initializer Overwrites a Flexible Array Member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82870 Jakub Jelinek changed: What|Removed |Added Keywords|needs-bisection | CC|

[Bug middle-end/80131] powerpc: 1U << (31 - x) doesn't generate optimised code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80131 Wilco changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug middle-end/80131] powerpc: 1U << (31 - x) doesn't generate optimised code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80131 --- Comment #7 from Wilco --- Author: wilco Date: Tue Nov 7 12:23:38 2017 New Revision: 254496 URL: https://gcc.gnu.org/viewcvs?rev=254496&root=gcc&view=rev Log: PR80131: Simplification of 1U << (31 - x) Currently the code A << (B - C) is not

[Bug sanitizer/82792] Fallthrough attribute ignored after label, and before with address sanitizer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82792 --- Comment #13 from Martin Liška --- I've got patch for that, will send to mailing list soon.

[Bug gcov-profile/82614] GCOV crashes while parsing gcda file

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82614 --- Comment #12 from Martin Liška --- So problem is quite simple, there's a branch counter that has negative value: $ ./gcov-dump -l Unified_cpp_js_src31.gcda ... Unified_cpp_js_src31.gcda: 0100: 3:FUNCTION ident=642196265, lineno_checks

[Bug gcov-profile/82614] GCOV crashes while parsing gcda file

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82614 Martin Liška changed: What|Removed |Added Status|WAITING |ASSIGNED --- Comment #11 from Martin Lišk

[Bug gcov-profile/82614] GCOV crashes while parsing gcda file

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82614 --- Comment #10 from Marco Castelluccio --- (In reply to Martin Liška from comment #9) > (In reply to Marco Castelluccio from comment #8) > > Created attachment 42462 [details] > > Archive with GCNO and GCDA file generated with GCC 6 > > > > Thi

[Bug middle-end/71942] [ARM] Zero-extending whats allready zero-extended even when -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71942 Richard Earnshaw changed: What|Removed |Added CC||mikael.rosbacke at gmail dot com ---

[Bug target/82871] Unneeded lsls lsrs instructions generated on half word access for arm cortex-m4 target.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82871 Richard Earnshaw changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/82833] [concepts] Out-of-line definition of nested class template errors with constraint (ICE)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82833 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug sanitizer/82869] c_associated does not always give false for null pointers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82869 Janne Blomqvist changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jb at gcc dot gnu.org --- Comme

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