[Bug c++/90854] New: Gcc fails to compile a code sample for some parameters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90854 Bug ID: 90854 Summary: Gcc fails to compile a code sample for some parameters Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug other/90827] [Aarch64]rev instruction can't oprate NEON registers.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90827 --- Comment #2 from leimaohui --- (In reply to Andrew Pinski from comment #1) > >"rev" is an alias of "rev64". > > It is the other way around. rev64 is an optional alias to rev (for > intereger registers). rev only takes integer registers.

[Bug bootstrap/46981] multilib LD_LIBRARY_PATH prevents configuration of target libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46981 Eric Gallager changed: What|Removed |Added CC||aoliva at gcc dot gnu.org,

[Bug gcov-profile/90831] New: libgcc/libgcov-merge.c: conflicting __gcov_merge_single prototype

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90831 Bug ID: 90831 Summary: libgcc/libgcov-merge.c: conflicting __gcov_merge_single prototype Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/90579] Huge store forward stall due to vectorizer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90579 --- Comment #4 from Richard Biener --- A workaround on your side would be to stick -mprefer-vector-size=128 on the function. Note the actual code seems to have another loop touching r inbetween: for (i=0;i<6;i++) { r[i] =

[Bug bootstrap/90819] [10 regression] -Walloc-size-larger-than error in trans-mem.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90819 Martin Liška changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/90828] A recurring hang when mangling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90828 Martin Liška changed: What|Removed |Added Keywords||compile-time-hog Last reconfirmed|

[Bug middle-end/88784] Middle end is missing some optimizations about unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88784 --- Comment #24 from rguenther at suse dot de --- On Tue, 11 Jun 2019, helijia at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88784 > > --- Comment #23 from Li Jia He --- > Created attachment 46477 > -->

[Bug c++/90830] A not fully fixed ICE?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90830 --- Comment #3 from Jonathan Wakely --- (In reply to zhonghao from comment #0) > However, I tried clang and icc, and both compilers accept the code. Is the > bug fully fixed? They only accept it because your code doesn't instantiate the

[Bug c++/90830] A not fully fixed ICE?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90830 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/90832] New: An ICE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90832 Bug ID: 90832 Summary: An ICE Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc

[Bug other/90827] [Aarch64]rev instruction can't oprate NEON registers.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90827 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/39725] [7/8/9/10 Regression][cond-optab] MIPS pessimizations on floating-point

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39725 Richard Biener changed: What|Removed |Added CC|rguenth at gcc dot gnu.org |mfortune at gmail dot com ---

[Bug c++/90830] New: A not fully fixed ICE?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90830 Bug ID: 90830 Summary: A not fully fixed ICE? Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee:

[Bug c++/87847] spec_hasher::hash does not match with spec_hasher::equal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87847 --- Comment #10 from Martin Liška --- Author: marxin Date: Tue Jun 11 07:55:19 2019 New Revision: 272144 URL: https://gcc.gnu.org/viewcvs?rev=272144=gcc=rev Log: Disable htable sanitization in pt.c (PR c++/87847). 2019-06-11 Martin Liska

[Bug c++/90832] [9/10 Regression] ICE in cxx_eval_constant_expression at gcc/cp/constexpr.c:2314

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90832 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Known to work|

[Bug c++/90829] -fopenacc expects iteration declaration or initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90829 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug bootstrap/90819] [10 regression] -Walloc-size-larger-than error in trans-mem.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90819 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Tue Jun 11 08:20:02 2019 New Revision: 272145 URL: https://gcc.gnu.org/viewcvs?rev=272145=gcc=rev Log: PR bootstrap/90819 * trans-mem.c (tm_memopt_compute_available): Add

[Bug c++/90829] -fopenacc expects iteration declaration or initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90829 --- Comment #3 from Jonathan Wakely --- N.B. if you enable warnings (just -Wall is enough) then you do get a diagnostic without -fopenacc: acc.cc:2: warning: ignoring #pragma acc kernels [-Wunknown-pragmas] #pragma acc kernels loop create(f)

[Bug middle-end/88784] Middle end is missing some optimizations about unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88784 --- Comment #23 from Li Jia He --- Created attachment 46477 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46477=edit try to fix this issue in ifcombine(and_comparisons_1 and or_comparisons_1) I am trying to solve this issue directly in

[Bug target/62147] missed loop counter based optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62147 Kewen Lin changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #4 from Kewen Lin ---

[Bug c++/90816] -finstrument-functions-exclude-function-list improperly handles namespace/class definitions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90816 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug bootstrap/90781] ubsan bootstrap with -O3 -march=native fails at compare stage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90781 Martin Liška changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug target/62147] missed loop counter based optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62147 --- Comment #5 from Kewen Lin --- Created attachment 46478 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46478=edit one simple patch It can generate expected codes with the patch draft: >---subf 9,10,9 >---addi 9,9,-4

[Bug tree-optimization/41647] Early Loop Unrolling control

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41647 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED CC|

[Bug tree-optimization/41881] [4.6 regression] Complete unrolling (inner) versus vectorization of reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41881 Bug 41881 depends on bug 41647, which changed state. Bug 41647 Summary: Early Loop Unrolling control https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41647 What|Removed |Added

[Bug gcov-profile/90831] libgcc/libgcov-merge.c: conflicting __gcov_merge_single prototype

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90831 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/47770] wrong code -O2 -ftree-loop-if-convert-stores -fno-tree-reassoc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47770 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug debug/90574] [gdb] gdb wrongly stopped at a breakpoint in an unexecuted line of code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90574 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/90829] -fopenacc expects iteration declaration or initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90829 Jonathan Wakely changed: What|Removed |Added Keywords||diagnostic Status|NEW

[Bug c++/90829] New: -fopenacc expects iteration declaration or initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90829 Bug ID: 90829 Summary: -fopenacc expects iteration declaration or initialization Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal

[Bug c++/90830] A not fully fixed ICE?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90830 --- Comment #2 from Marc Glisse --- ICE is short for "internal compiler error", it means that the compiler crashes. Please don't use that expression for anything else, in particular not for the compiler reporting an error in your code (whether

[Bug middle-end/90796] [8/9/10 Regression] GCC: O2 vs O3 output differs on simple test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90796 --- Comment #4 from Richard Biener --- Hmm, the CFG looks like unroll-and-jam attempts to do versioning/peeling but forgets the tail loop is executed at least once?

[Bug middle-end/90820] [10 regression] ICE in hashtab_chk_error, at hash-table.h:1022

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90820 Martin Liška changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/90833] New: Inline specification is changed?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90833 Bug ID: 90833 Summary: Inline specification is changed? Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug testsuite/90812] Tests misuse "dg-require-effective-target int32plus" to check for 64-bit integer support

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90812 --- Comment #2 from Richard Biener --- I think most tests like this end up using 'long long' and use __SIZEOF_LONG_LONG__ to guard code. There's a dejagnu effective target for long long support.

[Bug c++/90832] [9/10 Regression] ICE in cxx_eval_constant_expression at gcc/cp/constexpr.c:2314

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90832 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug fortran/90813] [10 regression] gfortran.dg/proc_ptr_51.f90 fails (SIGSEGV) after 272084

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90813 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0

[Bug c++/90833] Inline specification is changed?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90833 --- Comment #1 from zhonghao at pku dot org.cn --- Here is the url of the previous bug report: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88726 (In reply to zhonghao from comment #0) > A previous bug report has a code sample: > > int main()

[Bug testsuite/90806] Warray-bounds-2.c fail on cross-aarch64 on RH6 host

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90806 --- Comment #4 from Christophe Lyon --- gcc.log on the RH7 host contains lines which are absent from gcc.log on the RH6 host: In function 'void wrap_memcpy_dst_diff_max(char*, const char*, ptrdiff_t, size_t)', inlined from 'void

[Bug c++/86430] ambiguous overload?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86430 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/88784] Middle end is missing some optimizations about unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88784 --- Comment #26 from rguenther at suse dot de --- On Tue, 11 Jun 2019, helijia at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88784 > > --- Comment #25 from Li Jia He --- > Indeed, this patch cannot catch all

[Bug c++/90829] -fopenacc expects iteration declaration or initialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90829 --- Comment #4 from Jakub Jelinek --- While the OpenACC standard has the specification far more vague than OpenMP, where the standard specifies only a subset of C/C++ for loops to be valid in OpenMP constructs, quick search of OpenACC 2.5

[Bug c++/90784] A loop inside a constexpr function in a constexpr context is not evaluated at compile time

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90784 Richard Biener changed: What|Removed |Added Keywords|wrong-code | Status|UNCONFIRMED

[Bug c++/86501] shadow template parameter

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86501 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/62041] vector fneg codegen uses a subtract instead of an xor (x86-64)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62041 --- Comment #6 from Marc Glisse --- Author: glisse Date: Tue Jun 11 12:48:26 2019 New Revision: 272151 URL: https://gcc.gnu.org/viewcvs?rev=272151=gcc=rev Log: fold_real_zero_addition_p for vectors 2019-06-11 Marc Glisse PR

[Bug tree-optimization/62041] vector fneg codegen uses a subtract instead of an xor (x86-64)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62041 Marc Glisse changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/90798] Improve the diagnostic for the mismatched target attributes and the intrinsics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90798 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug testsuite/90806] Warray-bounds-2.c fail on cross-aarch64 on RH6 host

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90806 Richard Biener changed: What|Removed |Added Target||aarch64 --- Comment #2 from Richard

[Bug target/90811] [nvptx] ptxas error on OpenMP offloaded code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90811 --- Comment #5 from Jakub Jelinek --- Ok, had a look today under debugger what happens. In the host cc1, before LTO into for offloading is written, we bump the alignment of the "omp simt private" variable from 64-bits to 128-bits in

[Bug fortran/90813] [10 regression] gfortran.dg/proc_ptr_51.f90 fails (SIGSEGV) after 272084

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90813 --- Comment #5 from paul.richard.thomas at gmail dot com --- Hi there, That might well have pinpointed the problem sufficiently. Thanks Paul On Mon, 10 Jun 2019 at 20:18, seurer at gcc dot gnu.org wrote: > >

[Bug target/90785] [ia64] switch to LRA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90785 --- Comment #2 from Richard Biener --- ia64 no longer has a maintainer.

[Bug c++/90828] A recurring hang when mangling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90828 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug bootstrap/90819] [10 regression] -Walloc-size-larger-than error in trans-mem.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90819 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug testsuite/90806] Warray-bounds-2.c fail on cross-aarch64 on RH6 host

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90806 --- Comment #3 from Christophe Lyon --- (In reply to Richard Biener from comment #2) > GCC 6 is no longer maintained btw. I'm talking about gcc-9 and trunk. The host (x86_64) is running either Redhat Linux 6 or 7. Both cases use dejagnu-1.5.1

[Bug c++/90801] A recurring hang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90801 Richard Biener changed: What|Removed |Added Keywords||compile-time-hog

[Bug middle-end/88784] Middle end is missing some optimizations about unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88784 --- Comment #25 from Li Jia He --- Indeed, this patch cannot catch all variants that appear. I found that the optimize_vec_cond_expr function in the tree-ssa-reassoc.c file will call maybe_fold_and_comparisons and maybe_fold_or_comparisons, so

[Bug target/90834] Header and startup objects not found on macOS 10.15

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90834 --- Comment #1 from Iain Sandoe --- I don't have 10.15 or xcode 11 yet .. does ... configure --prefix ... --with-sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk . CC="clang

[Bug target/90834] Header and startup objects not found on macOS 10.15

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90834 --- Comment #2 from Iain Sandoe --- (In reply to Iain Sandoe from comment #1) > I don't have 10.15 or xcode 11 yet .. > > does ... > configure --prefix ... > --with-sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk > . >

[Bug c++/90810] [8/9/10 Regression] Different intrinsics behavior on G++ 7.4 and G++ 8.3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90810 Richard Biener changed: What|Removed |Added Target||x86_64-*-*, i?86-*-*

[Bug bootstrap/90781] ubsan bootstrap with -O3 -march=native fails at compare stage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90781 Martin Liška changed: What|Removed |Added Status|ASSIGNED|NEW Assignee|marxin at gcc dot

[Bug c++/90833] Inline specification is changed?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90833 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/90833] Inline specification is changed?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90833 --- Comment #4 from Jonathan Wakely --- (In reply to zhonghao from comment #0) > Is the spec changed? Or, actually, this is a new bug? P.S. It doesn't make sense to ask if the spec changed when the previous bug was about conformance to the C

[Bug c++/86478] Crashed on legal code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86478 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/86473] a problem in member lookup?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86473 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/90811] [nvptx] ptxas error on OpenMP offloaded code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90811 --- Comment #7 from Alexander Monakov --- (In reply to Jakub Jelinek from comment #6) > Created attachment 46479 [details] > gcc10-pr90811-overalign.patch > > Perhaps during estimate_stack_frame_size we should make sure not to adjust >

[Bug target/90834] New: Header and startup objects not found on macOS 10.15

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90834 Bug ID: 90834 Summary: Header and startup objects not found on macOS 10.15 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug fortran/90786] [7/8/9 Regression] ICE on procedure pointer assignment to function with class pointer result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90786 Richard Biener changed: What|Removed |Added Priority|P3 |P4 Known to work|

[Bug c++/90833] Inline specification is changed?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90833 Richard Biener changed: What|Removed |Added Keywords||accepts-invalid --- Comment #2 from

[Bug c++/90801] A recurring hang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90801 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/86299] no member named 'value'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86299 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/86634] no type named 'iterator_category' in 'ForwardIterator'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86634 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/90811] [nvptx] ptxas error on OpenMP offloaded code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90811 --- Comment #6 from Jakub Jelinek --- Created attachment 46479 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46479=edit gcc10-pr90811-overalign.patch Perhaps during estimate_stack_frame_size we should make sure not to adjust DECL_ALIGN

[Bug c++/90810] [8/9/10 Regression] Different intrinsics behavior on G++ 7.4 and G++ 8.3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90810 --- Comment #6 from Jakub Jelinek --- Author: jakub Date: Tue Jun 11 13:08:47 2019 New Revision: 272154 URL: https://gcc.gnu.org/viewcvs?rev=272154=gcc=rev Log: PR c++/90810 * init.c (constant_value_1): Handle VECTOR_CST

[Bug target/90834] Header and startup objects not found on macOS 10.15

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90834 --- Comment #4 from Iain Sandoe --- (In reply to Eric Gallager from comment #3) > possible dup of bug 90808? no, not in this case - although it gets hard to figure out what's going on when partial sysroots are copied into place, that seemed to

[Bug tree-optimization/90836] Missing popcount pattern matching

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90836 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/90801] A recurring hang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90801 --- Comment #5 from Richard Biener --- Author: rguenth Date: Tue Jun 11 14:03:41 2019 New Revision: 272156 URL: https://gcc.gnu.org/viewcvs?rev=272156=gcc=rev Log: 2019-06-11 Richard Biener PR c++/90801 * typeck2.c

[Bug tree-optimization/90839] New: Detect lsb ones counting loop (final value replacement?)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90839 Bug ID: 90839 Summary: Detect lsb ones counting loop (final value replacement?) Product: gcc Version: 9.0 Status: UNCONFIRMED Keywords: missed-optimization

[Bug c++/90832] [9/10 Regression] ICE in cxx_eval_constant_expression at gcc/cp/constexpr.c:2314

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90832 Marek Polacek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/90801] A recurring hang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90801 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug c++/90449] No way to turn off warning about inaccessible base

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90449 Marek Polacek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug other/44209] [meta-bug] Some warnings are not linked to diagnostics options

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44209 Bug 44209 depends on bug 90449, which changed state. Bug 90449 Summary: No way to turn off warning about inaccessible base https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90449 What|Removed |Added

[Bug target/90834] Header and startup objects not found on macOS 10.15

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90834 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org ---

[Bug tree-optimization/90836] New: Missing popcount pattern matching

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90836 Bug ID: 90836 Summary: Missing popcount pattern matching Product: gcc Version: 9.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal Priority:

[Bug tree-optimization/90579] [8/9/10] Huge store forward stall due to vectorizer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90579 H.J. Lu changed: What|Removed |Added Summary|Huge store forward stall|[8/9/10] Huge store forward

[Bug target/90835] Incompatibilities with macOS 10.15 headers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90835 --- Comment #2 from Iain Sandoe --- does the existing availability hack work [below]? *if the person who originally put it into pr83531 doesn't post it soon - I plan to apply it anyway - having re-tested with 10.13/10.14(SDK2) * for the other

[Bug c++/90810] [8/9/10 Regression] Different intrinsics behavior on G++ 7.4 and G++ 8.3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90810 --- Comment #7 from Jakub Jelinek --- Author: jakub Date: Tue Jun 11 13:42:07 2019 New Revision: 272155 URL: https://gcc.gnu.org/viewcvs?rev=272155=gcc=rev Log: PR c++/90810 * init.c (constant_value_1): Handle VECTOR_CST

[Bug c++/90810] [8/9/10 Regression] Different intrinsics behavior on G++ 7.4 and G++ 8.3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90810 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/90796] [8/9/10 Regression] GCC: O2 vs O3 output differs on simple test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90796 --- Comment #5 from Michael Matz --- FWIW, the reduced testcase from comment #3 is wrong. Even with -O0 or with gcc 4.3 or 6 I get: b:48 Aborted (core dumped) But I can reproduce the problem with the original testcase.

[Bug tree-optimization/90837] New: Generate infinite loop when using -ftree-vrp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90837 Bug ID: 90837 Summary: Generate infinite loop when using -ftree-vrp Product: gcc Version: 8.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/90810] [8/9/10 Regression] Different intrinsics behavior on G++ 7.4 and G++ 8.3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90810 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Tue Jun 11 13:01:40 2019 New Revision: 272152 URL: https://gcc.gnu.org/viewcvs?rev=272152=gcc=rev Log: PR c++/90810 * init.c (constant_value_1): Handle VECTOR_CST

[Bug fortran/90813] [10 regression] gfortran.dg/proc_ptr_51.f90 fails (SIGSEGV) after 272084

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90813 Thomas Koenig changed: What|Removed |Added CC||tkoenig at gcc dot gnu.org --- Comment

[Bug target/90835] New: Incompatibilities with macOS 10.15 headers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90835 Bug ID: 90835 Summary: Incompatibilities with macOS 10.15 headers Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug target/90835] Incompatibilities with macOS 10.15 headers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90835 --- Comment #1 from Rainer Orth --- Created attachment 46480 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46480=edit macOS 10.15 header patches to allow bootstrap to complete

[Bug c++/90449] No way to turn off warning about inaccessible base

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90449 --- Comment #6 from Marek Polacek --- Author: mpolacek Date: Tue Jun 11 15:03:21 2019 New Revision: 272157 URL: https://gcc.gnu.org/viewcvs?rev=272157=gcc=rev Log: PR c++/90449 - add -Winaccessible-base option. * doc/invoke.texi

[Bug tree-optimization/90838] New: Detect table-based ctz implementation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90838 Bug ID: 90838 Summary: Detect table-based ctz implementation Product: gcc Version: 9.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal

[Bug target/90822] Remove PowerPC lfiwax and lfiwzx patterns

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90822 Michael Meissner changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug testsuite/90806] Warray-bounds-2.c fail on cross-aarch64 on RH6 host

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90806 Martin Sebor changed: What|Removed |Added CC||msebor at gcc dot gnu.org --- Comment #5

[Bug target/90811] [nvptx] ptxas error on OpenMP offloaded code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90811 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/90837] Generate infinite loop when using -ftree-vrp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90837 --- Comment #1 from Andrew Pinski --- The access auwMulRRUPeakUsrInfo[0][uwUserCountCell1] can be out of bounds.

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