[Bug middle-end/91433] Performance Regression when upgrading from 8.3.0 to 9.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 Hongtao.liu changed: What|Removed |Added CC||crazylht at gmail dot com --- Comment #4

[Bug fortran/91641] [9/10 Regression] ICE in gfc_conv_is_contiguous_expr, at fortran/trans-intrinsic.c:2857

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91641 --- Comment #2 from kargl at gcc dot gnu.org --- I have a patch.

[Bug debug/86549] [meta-bug] -flto -g0 vs. -g issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86549 Eric Gallager changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug middle-end/91433] Performance Regression when upgrading from 8.3.0 to 9.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 --- Comment #3 from George Fan --- Pls help.

[Bug target/91494] Performance Regression when upgrading from 8.3.0 to 9.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91494 --- Comment #1 from George Fan --- Please help.

[Bug fortran/91556] Problems with better interface checking

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91556 --- Comment #24 from Steve Kargl --- On Mon, Sep 02, 2019 at 06:51:23PM +, anlauf at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91556 > > --- Comment #23 from anlauf at gcc dot gnu.org --- > (In reply to Thomas

[Bug gcov-profile/91601] [9/10 Regression] gcov: ICE in handle_cycle, at gcov.c:699 happen which get code coverage with lcov.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91601 --- Comment #9 from Martin Liška --- Author: marxin Date: Mon Sep 2 07:06:54 2019 New Revision: 275291 URL: https://gcc.gnu.org/viewcvs?rev=275291=gcc=rev Log: Consider also negative edges in cycle detection. 2019-09-02 Martin Liska

[Bug c++/91155] [9/10 Regression] __PRETTY_FUNCTION__ gets truncated when char template parameter is '\0'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91155 --- Comment #6 from Martin Liška --- Author: marxin Date: Mon Sep 2 07:07:11 2019 New Revision: 275292 URL: https://gcc.gnu.org/viewcvs?rev=275292=gcc=rev Log: Use cxx_printable_name for __PRETTY_FUNCTION__ in cp_fname_init. 2019-09-02

[Bug gcov-profile/91601] [9 Regression] gcov: ICE in handle_cycle, at gcov.c:699 happen which get code coverage with lcov.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91601 --- Comment #11 from Martin Liška --- Author: marxin Date: Mon Sep 2 08:58:17 2019 New Revision: 275301 URL: https://gcc.gnu.org/viewcvs?rev=275301=gcc=rev Log: Backport r275291 2019-09-02 Martin Liska Backport from mainline

[Bug c/91633] New: Why -funroll-loops affect code without loop.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91633 Bug ID: 91633 Summary: Why -funroll-loops affect code without loop. Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug c++/91155] [9 Regression] __PRETTY_FUNCTION__ gets truncated when char template parameter is '\0'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91155 --- Comment #8 from Martin Liška --- Author: marxin Date: Mon Sep 2 08:58:39 2019 New Revision: 275302 URL: https://gcc.gnu.org/viewcvs?rev=275302=gcc=rev Log: Backport r275292 2019-09-02 Martin Liska Backport from mainline

[Bug middle-end/91633] Why -funroll-loops affect code without loop.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91633 --- Comment #2 from Hongtao.liu --- It's at least confusing.

[Bug target/91323] LTGT rtx produces UCOMISS instead of COMISS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 --- Comment #19 from rguenther at suse dot de --- On Mon, 2 Sep 2019, ebotcazou at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 > > --- Comment #17 from Eric Botcazou --- > Created attachment 46797 > -->

[Bug d/91628] libdruntime uses glibc internal symbol on s390

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91628 --- Comment #5 from Iain Buclaw --- (In reply to Florian Weimer from comment #4) > (In reply to Iain Buclaw from comment #3) > > The use of the function is for the garbage collector to be able to scan > > native TLS data. > > > > The logic of

[Bug target/91612] [10 regression][arm] gcc.target/arm/aapcs/align4.c ICE after r274986

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91612 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0

[Bug target/91613] [10 regression][arm] gcc.dg/pr83930.c ICE since r274986

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91613 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0

[Bug target/91614] [10 regression][arm] gcc.target/arm/unaligned-memcpy-2.c FAIL since r274986

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91614 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0

[Bug go/91617] [10 regression] Many go test case failures after r275026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91617 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0

[Bug testsuite/91619] New test case gcc.dg/vect/pr81740-2.c fails on powerpc64 power7 BE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91619 --- Comment #3 from Richard Biener --- Author: rguenth Date: Mon Sep 2 07:12:11 2019 New Revision: 275294 URL: https://gcc.gnu.org/viewcvs?rev=275294=gcc=rev Log: 2019-09-02 Richard Biener PR testsuite/91619 *

[Bug tree-optimization/81740] [7 Regression] wrong code at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81740 Christophe Lyon changed: What|Removed |Added CC||clyon at gcc dot gnu.org --- Comment

[Bug target/91615] [10 regression][armeb] ICEs since r274986

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91615 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0

[Bug lto/91626] [9/10 Regression] FAIL: gcc.dg/lto/pr48622 c_lto_pr48622_0.o-c_lto_pr48622_0.o link, -O -flto -finline-small-functions -fno-early-inlining

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91626 Richard Biener changed: What|Removed |Added Target Milestone|--- |9.3

[Bug middle-end/91633] Why -funroll-loops affect code without loop.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91633 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Component|c

[Bug target/91323] LTGT rtx produces UCOMISS instead of COMISS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 --- Comment #18 from rguenther at suse dot de --- On Mon, 2 Sep 2019, ebotcazou at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 > > --- Comment #16 from Eric Botcazou --- > > Other than that my view is that the

[Bug gcov-profile/91601] [9/10 Regression] gcov: ICE in handle_cycle, at gcov.c:699 happen which get code coverage with lcov.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91601 Martin Liška changed: What|Removed |Added Known to work||10.0 Known to fail|10.0

[Bug c++/91155] [9 Regression] __PRETTY_FUNCTION__ gets truncated when char template parameter is '\0'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91155 Martin Liška changed: What|Removed |Added Known to work||10.0 Summary|[9/10

[Bug testsuite/91619] New test case gcc.dg/vect/pr81740-2.c fails on powerpc64 power7 BE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91619 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug d/91628] libdruntime uses glibc internal symbol on s390

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91628 --- Comment #4 from Florian Weimer --- (In reply to Iain Buclaw from comment #3) > The use of the function is for the garbage collector to be able to scan > native TLS data. > > The logic of said function pretty much matches what the glibc

[Bug go/91617] [10 regression] Many go test case failures after r275026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91617 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/91155] __PRETTY_FUNCTION__ gets truncated when char template parameter is '\0'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91155 Martin Liška changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug d/91628] libdruntime uses glibc internal symbol on s390

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91628 --- Comment #3 from Iain Buclaw --- The use of the function is for the garbage collector to be able to scan native TLS data. The logic of said function pretty much matches what the glibc macro __TLS_GET_ADDR is doing.

[Bug d/91628] libdruntime uses glibc internal symbol on s390

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91628 --- Comment #6 from Florian Weimer --- __tls_get_offset looks like this: __tls_get_offset: la %r2,0(%r2,%r12) jg __tls_get_addr The caller should be able to prepare for the la instruction, by subtracting r12 from r2.

[Bug middle-end/91623] [7/8/9 Regression] -msse4.1 -O3 segfault in /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/smmintrin.h:270:10

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91623 --- Comment #7 from Richard Biener --- (In reply to Marc Glisse from comment #6) > For the missed constant folding, it seems that we end up in fold_vec_perm, > with type a vector of "long long", while arg0 and arg1 are vectors of > "long", and

[Bug tree-optimization/91616] Incorrect data address computation in very simple code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91616 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/91323] LTGT rtx produces UCOMISS instead of COMISS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 --- Comment #17 from Eric Botcazou --- Created attachment 46797 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46797=edit Proposed wording change

[Bug testsuite/91619] New test case gcc.dg/vect/pr81740-2.c fails on powerpc64 power7 BE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91619 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/91323] LTGT rtx produces UCOMISS instead of COMISS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 --- Comment #15 from rguenther at suse dot de --- On Sat, 31 Aug 2019, ebotcazou at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 > > Eric Botcazou changed: > >What|Removed

[Bug tree-optimization/91632] New: [10 Regression] Probably wrong code since r275026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91632 Bug ID: 91632 Summary: [10 Regression] Probably wrong code since r275026 Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal

[Bug tree-optimization/91632] [10 Regression] Probably wrong code since r275026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91632 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug go/91617] [10 regression] Many go test case failures after r275026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91617 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Mon Sep 2 08:38:13 2019 New Revision: 275299 URL: https://gcc.gnu.org/viewcvs?rev=275299=gcc=rev Log: PR go/91617 * fold-const.c (range_check_type): For enumeral and

[Bug target/91323] LTGT rtx produces UCOMISS instead of COMISS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 --- Comment #16 from Eric Botcazou --- > Other than that my view is that the GENERIC/GIMPLE side is correct. > Besides even RTL "high-level" get's this consistent (may_trap_p_1), > likewise simplify-rtx if my quick survey is correct. Yes, the

[Bug gcov-profile/91601] gcov: ICE in handle_cycle, at gcov.c:699 happen which get code coverage with lcov.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91601 Martin Liška changed: What|Removed |Added Status|SUSPENDED |RESOLVED Resolution|---

[Bug gcov-profile/91601] gcov: ICE in handle_cycle, at gcov.c:699 happen which get code coverage with lcov.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91601 Martin Liška changed: What|Removed |Added Status|ASSIGNED|SUSPENDED Known to work|

[Bug target/91634] New: [10 Regression] 508.namd_r (and 435.gromacs) speed regression after r274994

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91634 Bug ID: 91634 Summary: [10 Regression] 508.namd_r (and 435.gromacs) speed regression after r274994 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity:

[Bug target/91634] [10 Regression] 508.namd_r (and 435.gromacs) speed regression after r274994

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91634 Richard Biener changed: What|Removed |Added Target||x86_64-linux-gnu Target

[Bug rtl-optimization/91137] [7 Regression] Wrong code with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91137 --- Comment #15 from bin cheng --- Author: amker Date: Mon Sep 2 10:10:44 2019 New Revision: 275304 URL: https://gcc.gnu.org/viewcvs?rev=275304=gcc=rev Log: Backport from mainline 2019-07-18 Bin Cheng PR

[Bug ipa/91062] gcc.dg/ipa/ipa-pta-1.c dump contains garbage when gcc was configured with --enable-checking=all

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91062 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/51333] [7/8 Regression] cxxabi.h incompatible with -fkeep-inline-functions at link time

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51333 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/51333] [7/8 Regression] cxxabi.h incompatible with -fkeep-inline-functions at link time

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51333 --- Comment #14 from Jonathan Wakely --- Author: redi Date: Mon Sep 2 11:10:00 2019 New Revision: 275309 URL: https://gcc.gnu.org/viewcvs?rev=275309=gcc=rev Log: PR libstdc++/51333 Define recursive_init_error constructor non-inline The

[Bug middle-end/89303] [7 Regression] memory leak with shared_ptr and enable_shared_from_this

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89303 --- Comment #35 from Jonathan Wakely --- Author: redi Date: Mon Sep 2 11:10:08 2019 New Revision: 275312 URL: https://gcc.gnu.org/viewcvs?rev=275312=gcc=rev Log: PR middle-end/89303 add testcase for std::enable_shared_from_this PR

[Bug libstdc++/91308] [7 Regression] unique_ptr assignment fails with different deleters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91308 --- Comment #4 from Jonathan Wakely --- Author: redi Date: Mon Sep 2 11:10:04 2019 New Revision: 275311 URL: https://gcc.gnu.org/viewcvs?rev=275311=gcc=rev Log: PR libstdc++/91308 fix constraints on unique_ptr assignment *

[Bug tree-optimization/83661] sincos does not handle sin(2x)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83661 Maxim Kuvyrkov changed: What|Removed |Added CC||mkuvyrkov at gcc dot gnu.org ---

[Bug libstdc++/90770] Building with --enable-libstdcxx-debug and make profiledbootstrap fails with mv: cannot stat 'Makefile': No such file or directory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90770 --- Comment #9 from Jonathan Wakely --- Author: redi Date: Mon Sep 2 11:09:55 2019 New Revision: 275308 URL: https://gcc.gnu.org/viewcvs?rev=275308=gcc=rev Log: PR libstdc++/90770 fix missing src/debug/Makefile Backport from mainline

[Bug rtl-optimization/91635] New: wrong code at -O2 with __builtin_add_overflow()

=/usr/bin/riscv64-unknown-linux-gnu-ld --with-as=/usr/bin/riscv64-unknown-linux-gnu-as --disable-multilib --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-275299-checking-yes-rtl-df-extra-riscv64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.0.0

[Bug libstdc++/91308] [7 Regression] unique_ptr assignment fails with different deleters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91308 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/91636] New: performance regression about const string optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91636 Bug ID: 91636 Summary: performance regression about const string optimization Product: gcc Version: 7.3.1 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug c++/91636] performance regression about const string optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91636 --- Comment #2 from Chan Lewis --- (In reply to Jonathan Wakely from comment #1) > (In reply to Chan Lewis from comment #0) > > My gcc 7.3.1 version info is: > > > > [root@VM_11_190_centos /data1/ethencao]# gcc -v > > Using built-in specs. > >

[Bug c++/91636] performance regression about const string optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91636 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c/53075] -Werror=pedantic should be equivalent to -pedantic-errors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53075 Kamlesh Kumar changed: What|Removed |Added CC||kamleshbhalui at gmail dot com ---

[Bug tree-optimization/91616] Incorrect data address computation in very simple code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91616 --- Comment #3 from Marc POULHIÈS --- Ok, sorry for the incorrect report. The problem was found in our port of GCC where the code actually really accesses an incorrect memory location and seeing this very large offset added to data array lead

[Bug tree-optimization/91625] FAIL: gcc.dg/strlenopt-68.c execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91625 --- Comment #2 from dave.anglin at bell dot net --- On 2019-09-01 8:08 p.m., msebor at gcc dot gnu.org wrote: > What value does the function return at runtime? By default, snprintf on HP-UX returns a negative value if maxsize is smaller than the

[Bug c++/91155] __PRETTY_FUNCTION__ gets truncated when char template parameter is '\0'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91155 Martin Liška changed: What|Removed |Added Known to work|9.2.0 |9.2.1 --- Comment #11 from Martin Liška

[Bug tree-optimization/91200] ICE on valid code at -O1: verify_ssa failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91200 --- Comment #6 from Richard Biener --- Author: rguenth Date: Mon Sep 2 12:56:24 2019 New Revision: 275317 URL: https://gcc.gnu.org/viewcvs?rev=275317=gcc=rev Log: 2019-09-02 Richard Biener Backport from mainline 2019-07-19

[Bug tree-optimization/90278] ICE: verify_gimple failed (error: statement marked for throw, but doesn't)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90278 Richard Biener changed: What|Removed |Added Known to work||7.4.1 Target Milestone|---

[Bug middle-end/91131] Bad bitfield coalescing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91131 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/91126] [7 regression] Incorrect constant propagation of BIT_FIELD_REF

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91126 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/91200] ICE on valid code at -O1: verify_ssa failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91200 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug go/91617] [10 regression] Many go test case failures after r275026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91617 Jakub Jelinek changed: What|Removed |Added CC||marxin at gcc dot gnu.org --- Comment

[Bug tree-optimization/91632] [10 Regression] Probably wrong code since r275026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91632 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/91632] [10 Regression] Probably wrong code since r275026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91632 --- Comment #1 from Jakub Jelinek --- Author: jakub Date: Mon Sep 2 13:35:54 2019 New Revision: 275318 URL: https://gcc.gnu.org/viewcvs?rev=275318=gcc=rev Log: PR tree-optimization/91632 * gcc.c-torture/execute/pr91632.c: New

[Bug tree-optimization/89710] [7 Regression] ICE in dyn_cast(gimple*) / should_duplicate_loop_header_p

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89710 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[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 89296, which changed state. Bug 89296 Summary: [7 Regression] tree copy-header masking uninitialized warning https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89296 What|Removed |Added

[Bug c++/89392] [7 Regression] ICE in bitmap_bit_p, at bitmap.c:978

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89392 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug target/91638] New: powerpc -mlong-double-NN (documentation) issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91638 Bug ID: 91638 Summary: powerpc -mlong-double-NN (documentation) issues Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/89710] [7 Regression] ICE in dyn_cast(gimple*) / should_duplicate_loop_header_p

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89710 --- Comment #7 from Richard Biener --- Author: rguenth Date: Mon Sep 2 14:14:14 2019 New Revision: 275319 URL: https://gcc.gnu.org/viewcvs?rev=275319=gcc=rev Log: 2019-09-02 Richard Biener Backport from mainline 2019-03-14

[Bug tree-optimization/89296] [7 Regression] tree copy-header masking uninitialized warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89296 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/89572] [7 Regression] ICE in dyn_cast(gimple*) / get_loop_exit_condition(loop const*)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89572 --- Comment #6 from Richard Biener --- Author: rguenth Date: Mon Sep 2 14:14:14 2019 New Revision: 275319 URL: https://gcc.gnu.org/viewcvs?rev=275319=gcc=rev Log: 2019-09-02 Richard Biener Backport from mainline 2019-03-14

[Bug middle-end/91605] [10 Regression] ICE in ix86_avx256_split_vector_move_misalign, at config/i386/i386-expand.c:489 since r274986

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91605 --- Comment #3 from Bernd Edlinger --- Author: edlinger Date: Mon Sep 2 14:26:26 2019 New Revision: 275320 URL: https://gcc.gnu.org/viewcvs?rev=275320=gcc=rev Log: 2019-09-02 Bernd Edlinger PR middle-end/91605 * expr.c

[Bug target/91635] wrong code at -O2 with __builtin_add_overflow()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91635 --- Comment #2 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #1) > Can't reproduce. > I get: > foo: > not a4,a0 > lui a5,%hi(b) > sllia0,a0,17 > sh a4,%lo(b)(a5) > srli

[Bug preprocessor/91639] New: [10 Regression] FAIL: gcc.dg/plugin/location-overflow-test-pr83173.c -fplugin=./location_overflo w_plugin.so scan-file-not # (?!1 [^\r\n]+location-overflow-test-pr83173-

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91639 Bug ID: 91639 Summary: [10 Regression] FAIL: gcc.dg/plugin/location-overflow-test-pr83173.c -fplugin=./location_overflo w_plugin.so scan-file-not # (?!1

[Bug c++/91155] __PRETTY_FUNCTION__ gets truncated when char template parameter is '\0'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91155 --- Comment #10 from Daniel Frey --- Thanks for working on this. I'm a bit confused about the "Known to work: 9.2.0" - shouldn't this be 9.3.0 given that GCC 9.2 was already released and does not contain this fix?

[Bug target/91635] wrong code at -O2 with __builtin_add_overflow() and shifts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91635 Jakub Jelinek changed: What|Removed |Added CC||andrew at sifive dot com,

[Bug target/91635] wrong code at -O2 with __builtin_add_overflow() and shifts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91635 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/91323] LTGT rtx produces UCOMISS instead of COMISS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323 --- Comment #20 from Eric Botcazou --- Author: ebotcazou Date: Mon Sep 2 10:10:23 2019 New Revision: 275303 URL: https://gcc.gnu.org/viewcvs?rev=275303=gcc=rev Log: PR target/91323 * doc/generic.texi (LTGT_EXPR): Merge with

[Bug libstdc++/90770] Building with --enable-libstdcxx-debug and make profiledbootstrap fails with mv: cannot stat 'Makefile': No such file or directory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90770 Jonathan Wakely changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/91637] New: Make efficient ISR prologues and epilogues on AVR available to Ada/GNAT

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91637 Bug ID: 91637 Summary: Make efficient ISR prologues and epilogues on AVR available to Ada/GNAT Product: gcc Version: 9.2.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/90018] [7 Regression] r265453 miscompiled 527.cam4_r in SPEC CPU 2017

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90018 --- Comment #22 from Richard Biener --- The reduced testcase isn't vectorized on the GCC 7 branch for other reasons.

[Bug c++/91636] performance regression about const string optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91636 --- Comment #3 from Jonathan Wakely --- There is no standard output because there's no standard build of GCC. The output depends how it's configured and built. On RHEL/CentOS 6 and 7 the devtoolset compiler only supports the old std::string

[Bug tree-optimization/83661] sincos does not handle sin(2x)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83661 Wilco changed: What|Removed |Added CC||wilco at gcc dot gnu.org --- Comment #8 from

[Bug tree-optimization/83661] sincos does not handle sin(2x)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83661 --- Comment #9 from Wilco --- (In reply to Christophe Monat from comment #4) > Hi Pratamesh, > > You're absolutely right - maybe it's more efficient when there is some > hardware sincos available (Intel FSINCOS ?) but I would check also

[Bug tree-optimization/89572] [7 Regression] ICE in dyn_cast(gimple*) / get_loop_exit_condition(loop const*)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89572 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug middle-end/91512] [10 Regression] Fortran compile time regression.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91512 Thomas Koenig changed: What|Removed |Added Keywords||compile-time-hog, |

[Bug tree-optimization/91126] [7 regression] Incorrect constant propagation of BIT_FIELD_REF

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91126 --- Comment #12 from Richard Biener --- Author: rguenth Date: Mon Sep 2 12:56:24 2019 New Revision: 275317 URL: https://gcc.gnu.org/viewcvs?rev=275317=gcc=rev Log: 2019-09-02 Richard Biener Backport from mainline 2019-07-19

[Bug tree-optimization/90020] [7 regression] -O2 -Os x86-64 wrong code generated for GNU Emacs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90020 --- Comment #23 from Richard Biener --- Author: rguenth Date: Mon Sep 2 12:56:24 2019 New Revision: 275317 URL: https://gcc.gnu.org/viewcvs?rev=275317=gcc=rev Log: 2019-09-02 Richard Biener Backport from mainline 2019-07-19

[Bug tree-optimization/90278] ICE: verify_gimple failed (error: statement marked for throw, but doesn't)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90278 --- Comment #6 from Richard Biener --- Author: rguenth Date: Mon Sep 2 12:56:24 2019 New Revision: 275317 URL: https://gcc.gnu.org/viewcvs?rev=275317=gcc=rev Log: 2019-09-02 Richard Biener Backport from mainline 2019-07-19

[Bug middle-end/91131] Bad bitfield coalescing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91131 --- Comment #15 from Richard Biener --- Author: rguenth Date: Mon Sep 2 12:56:24 2019 New Revision: 275317 URL: https://gcc.gnu.org/viewcvs?rev=275317=gcc=rev Log: 2019-09-02 Richard Biener Backport from mainline 2019-07-19

[Bug tree-optimization/90020] [7 regression] -O2 -Os x86-64 wrong code generated for GNU Emacs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90020 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/91162] [7 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:86 (error: invalid 'PHI' argument)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91162 --- Comment #9 from Richard Biener --- Author: rguenth Date: Mon Sep 2 12:56:24 2019 New Revision: 275317 URL: https://gcc.gnu.org/viewcvs?rev=275317=gcc=rev Log: 2019-09-02 Richard Biener Backport from mainline 2019-07-19

[Bug target/91612] [10 regression][arm] gcc.target/arm/aapcs/align4.c ICE after r274986

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91612 --- Comment #3 from Christophe Lyon --- (In reply to Bernd Edlinger from comment #2) > Created attachment 46792 [details] > untested patch > > This is a untested patch it should fix > pr91612 pr91613 pr91615 (?) > pr91603 > and pr91605 (i386) >

[Bug target/80986] auto keyword variable lost its attributes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80986 --- Comment #8 from linzj --- (In reply to Anssi Hannula from comment #7) > Created attachment 46772 [details] > Simple testcase for the issue > > The regression still exists on GCC trunk. > > We also hit the issue with >

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