[Bug c++/79702] New: AX_CXX_COMPILE_STDCXX([17]) does not work with GCC=7.0.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79702 Bug ID: 79702 Summary: AX_CXX_COMPILE_STDCXX([17]) does not work with GCC=7.0.1 Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal

[Bug preprocessor/79701] New: #pragma ignored "-Wcomment" has no effect

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79701 Bug ID: 79701 Summary: #pragma ignored "-Wcomment" has no effect Product: gcc Version: 6.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/45397] [5/6/7 Regression] Issues with integer narrowing conversions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45397 --- Comment #28 from Jeffrey A. Law --- WRT c#26. Yes, I would agree that finding CSE's that way is rather gross, but significantly less so than what will be required to address this problem in phi-opt. Pattern matching this is going to be

[Bug tree-optimization/79697] unused realloc(0, n) not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79697 prathamesh3492 at gcc dot gnu.org changed: What|Removed |Added CC||prathamesh3492 at gcc

[Bug debug/31920] Bad location information for Java local variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31920 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug target/31705] inline assembler causes ICE: extract_constrain_insn_cached, at recog.c:2002

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31705 Martin Sebor changed: What|Removed |Added Keywords||ice-on-invalid-code

[Bug c/29970] mixing ({...}) with VLA leads to massive breakage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29970 Martin Sebor changed: What|Removed |Added Keywords||ice-on-valid-code, |

[Bug middle-end/29887] wrong-code for errno handling on overflow/underflow

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29887 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug bootstrap/29741] Fails to build bootstrap under solaris 10, i386

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29741 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug tree-optimization/79699] small memory leak in MPFR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79699 --- Comment #3 from Martin Sebor --- Ah, thanks for the reference. It sounds like GCC should call mpfr_free_cache before exiting as is recommended in section 4.7 Memory Handling of the MPFR manual (as I just discovered by searching for the

[Bug tree-optimization/79699] small memory leak in MPFR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79699 --- Comment #2 from joseph at codesourcery dot com --- The only mpfr_free_cache call I see in GCC is in the Fortran front end. Without such a call on exit, leaks in MPFR need not be meaningful.

[Bug libstdc++/79700] std::fabsf and std::fabsl missing from

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79700 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/79700] New: std::fabsf and std::fabsl missing from

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79700 Bug ID: 79700 Summary: std::fabsf and std::fabsl missing from Product: gcc Version: 6.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/79699] small memory leak in MPFR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79699 Martin Sebor changed: What|Removed |Added URL||https://gforge.inria.fr/tra

[Bug tree-optimization/79697] unused realloc(0, n) not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79697 --- Comment #3 from Andrew Pinski --- It makes sense to convert realloc(0, n) to just malloc and the rest just works.

[Bug tree-optimization/79699] New: small memory leak in MPFR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79699 Bug ID: 79699 Summary: small memory leak in MPFR Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization

[Bug c++/61596] -Wunused-local-typedefs warns incorrectly on a typedef that's referenced indirectly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61596 Martin Sebor changed: What|Removed |Added CC||msebor at gcc dot gnu.org --- Comment #3

[Bug c++/79698] spurious -Wunused-local-typedefs on a typedef used by a template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79698 Martin Sebor changed: What|Removed |Added Keywords||diagnostic

[Bug c++/79698] New: spurious -Wunused-local-typedefs on a typedef used by a template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79698 Bug ID: 79698 Summary: spurious -Wunused-local-typedefs on a typedef used by a template Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal

[Bug c/79691] -Wformat-truncation suppressed by (and only by) -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79691 --- Comment #2 from Martin Sebor --- Patch posted for review: https://gcc.gnu.org/ml/gcc-patches/2017-02/msg01480.html

[Bug tree-optimization/79697] unused realloc(0, n) not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79697 Martin Sebor changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug tree-optimization/79697] unused realloc(0, n) not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79697 --- Comment #1 from Martin Sebor --- Ditto for __builtin_strdup and __builtin_strndup. Both of those calls can (and arguably should) be eliminated. If they're not eliminated (but even if they are) a warning on them can and arguably should be

[Bug tree-optimization/79697] New: unused realloc(0, n) not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79697 Bug ID: 79697 Summary: unused realloc(0, n) not eliminated Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c/79696] missing -Wunused-result on calls to malloc() and calloc()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79696 --- Comment #1 from Andrew Pinski --- -Wunused-result warns on the attribute warn_unused_result usage. If these functions are not marked that way in glibc, it is maybe a glibc bug. I don't think we should mark these as warn_unused_result

[Bug c/79696] New: missing -Wunused-result on calls to malloc() and calloc()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79696 Bug ID: 79696 Summary: missing -Wunused-result on calls to malloc() and calloc() Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal

[Bug c++/79361] [5/6 Regression] ICE redefining a template function as defaulted or deleted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79361 Paolo Carlini changed: What|Removed |Added Summary|[5/6/7 Regression] ICE |[5/6 Regression] ICE

[Bug c++/79361] [5/6/7 Regression] ICE redefining a template function as defaulted or deleted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79361 --- Comment #2 from paolo at gcc dot gnu.org --- Author: paolo Date: Thu Feb 23 23:20:58 2017 New Revision: 245692 URL: https://gcc.gnu.org/viewcvs?rev=245692=gcc=rev Log: /cp 2017-02-23 Paolo Carlini PR

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #18 from Marek Polacek --- An alternative, and hopefully still valid testcase: struct A { char c; }; int main() { static char A::* q; A a; return &(a.*q) - }

[Bug tree-optimization/79389] [7 Regression] 30% performance regression in SciMark2 MonteCarlo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79389 --- Comment #18 from Jakub Jelinek --- Author: jakub Date: Thu Feb 23 22:05:19 2017 New Revision: 245690 URL: https://gcc.gnu.org/viewcvs?rev=245690=gcc=rev Log: PR tree-optimization/79389 * ifcvt.c (struct noce_if_info): Add

[Bug tree-optimization/79663] [7 Regression] r244815 causes 10% regression for spec1k/172.mgrid on AArch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79663 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug tree-optimization/79663] [7 Regression] r244815 causes 10% regression for spec1k/172.mgrid on AArch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79663 --- Comment #5 from Jeffrey A. Law --- Author: law Date: Thu Feb 23 22:02:01 2017 New Revision: 245689 URL: https://gcc.gnu.org/viewcvs?rev=245689=gcc=rev Log: 2017-01-21 Bin Cheng PR tree-optimization/79663

[Bug tree-optimization/79578] Unnecessary instructions in generated code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79578 --- Comment #8 from Jeffrey A. Law --- Author: law Date: Thu Feb 23 21:43:03 2017 New Revision: 245688 URL: https://gcc.gnu.org/viewcvs?rev=245688=gcc=rev Log: PR tree-optimization/79578 * tree-ssa-dse.c

[Bug tree-optimization/79389] [7 Regression] 30% performance regression in SciMark2 MonteCarlo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79389 --- Comment #17 from Jeffrey A. Law --- Note this was extracted from the main motivator for path splitting, so it's probably wise to make sure we get this right. The key is blob of code: for () { ... if (bufferstep)

[Bug target/79636] [5/6/7 Regression] ICE in assign_by_spills, at lra-assigns.c:1457

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79636 Jakub Jelinek changed: What|Removed |Added Priority|P2 |P4

[Bug c++/79695] spurious -Wunused-variable on a static global of a type declared unused

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79695 Martin Sebor changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/79695] spurious -Wunused-variable on a static global of a type declared unused

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79695 Martin Sebor changed: What|Removed |Added Keywords||diagnostic --- Comment #1 from Martin

[Bug c++/79695] New: spurious -Wunused-variable on a static global of a type declared unused

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79695 Bug ID: 79695 Summary: spurious -Wunused-variable on a static global of a type declared unused Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal

[Bug target/79268] [6/7 Regression] Wrong code generation for vec_xl and vec_xst intrinsics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79268 --- Comment #4 from Bill Schmidt --- Author: wschmidt Date: Thu Feb 23 19:29:40 2017 New Revision: 245687 URL: https://gcc.gnu.org/viewcvs?rev=245687=gcc=rev Log: 2017-02-23 Bill Schmidt PR target/79268

[Bug c++/79689] ICE with trailing return type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79689 --- Comment #3 from Maciej Waruszewski --- Full output that I'm getting: *** buffer overflow detected ***: /usr/lib/gcc/x86_64-pc-linux-gnu/6.3.1/cc1plus terminated === Backtrace: = /usr/lib/libc.so.6(+0x70c4b)[0x7f2742ab2c4b]

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #17 from Marek Polacek --- I see, thanks for pointing that out.

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #16 from Volker Reichelt --- According to [expr.mptr.oper] the code in comment 15 has undefined behavior, because the second operand of ->* is the null-pointer-to-member-value.

[Bug target/79636] [5/6/7 Regression] ICE in assign_by_spills, at lra-assigns.c:1457

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79636 --- Comment #2 from Vladimir Makarov --- The bug is also present in GCC-4.7 which uses the old reload pass. But GCC-4.4 works ok on the test. The culprit is in udivmod. GCC-4.4 generates a shift instead of udivmod generated by GCC-4.7 and the

[Bug c/79692] -Wformat-overflow false positive?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79692 Martin Sebor changed: What|Removed |Added Keywords||diagnostic

[Bug testsuite/79455] c-c++-common/tsan/race_on_mutex.c fails on powerpcle starting with r244854 (where it was activated)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79455 --- Comment #2 from Bill Schmidt --- I think the most relevant issue here is that we are usually generating a call to memset here, but apparently on rare occasions we do not. That kind of inconsistency is troubling, to say the least. As Segher

[Bug testsuite/79455] c-c++-common/tsan/race_on_mutex.c fails on powerpcle starting with r244854 (where it was activated)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79455 kelvin at gcc dot gnu.org changed: What|Removed |Added CC||kelvin at gcc dot gnu.org

[Bug c/79693] New: Memory buffer handling - additional optimization proposal

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79693 Bug ID: 79693 Summary: Memory buffer handling - additional optimization proposal Product: gcc Version: 5.4.0 Status: UNCONFIRMED Severity: normal

[Bug testsuite/79427] g++.dg/tls/thread_local-order2.C fails starting with r245249

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79427 Bill Schmidt changed: What|Removed |Added Target|powerpc64-unknown-linux-gnu |powerpc64-unknown-linux-gnu

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #15 from Marek Polacek --- Slightly reduced original testcase: struct A { char c; }; int main() { static char A::* const q = nullptr; A a; return &(a.*q) - }

[Bug middle-end/79396] [5/6/7 Regression] ICE (verify_flow_info failed) with -fnon-call-exceptions -O2 -march=haswell

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79396 janus at gcc dot gnu.org changed: What|Removed |Added Summary|[5/6/7 Regression] ICE |[5/6/7 Regression] ICE

[Bug c++/79689] ICE with trailing return type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79689 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/69880] Linking Windows resource + implicit 'default-manifest.o' creates bad .exe

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69880 Nick Clifton changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c/79691] -Wformat-truncation suppressed by (and only by) -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79691 Martin Sebor changed: What|Removed |Added Keywords||diagnostic, |

[Bug c/79692] New: -Wformat-overflow false positive?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79692 Bug ID: 79692 Summary: -Wformat-overflow false positive? Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug c/79691] New: -Wformat-truncation suppressed by (and only by) -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79691 Bug ID: 79691 Summary: -Wformat-truncation suppressed by (and only by) -Og Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/79690] IVOPTs drops gs: prefix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79690 --- Comment #4 from Richard Biener --- (In reply to Richard Biener from comment #3) > But an extra assert like the following triggers during bootstrap so we can't > really avoid the casting (in all cases). > > Index: gcc/tree-ssa-address.c >

[Bug middle-end/79665] gcc's signed (x*x)/200 is slower than clang's

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79665 --- Comment #13 from PeteVine --- Still, the 5% regression must have happened very recently. The fast gcc was built on 20170220 and the slow one yesterday, using the original patch. Once again, switching away from Cortex-A53 codegen restores the

[Bug rtl-optimization/68749] FAIL: gcc.dg/ifcvt-4.c scan-rtl-dump ce1 "2 true changes made"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68749 --- Comment #15 from Andreas Krebbel --- Author: krebbel Date: Thu Feb 23 15:18:16 2017 New Revision: 245684 URL: https://gcc.gnu.org/viewcvs?rev=245684=gcc=rev Log: PR 68749: S/390: Disable ifcvt-4.c for -m31. gcc/testsuite/ChangeLog:

[Bug fortran/67497] data.c sanitizer runtime error: null pointer passed as argument 2, which is declared to never be null

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67497 --- Comment #7 from Vittorio Zecca --- Traveling now, back home end of March. Did you check the value of variable "len" maybe it's zero so it's not really a bug.

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #14 from Marek Polacek --- Ah, I see cp_convert_to_pointer does 212 /* A NULL pointer-to-data-member is represented by -1, not by 213 zero. */ 214 tree val = (TYPE_PTRDATAMEM_P (type) 215

[Bug tree-optimization/79690] IVOPTs drops gs: prefix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79690 --- Comment #3 from Richard Biener --- But an extra assert like the following triggers during bootstrap so we can't really avoid the casting (in all cases). Index: gcc/tree-ssa-address.c

[Bug tree-optimization/79389] [7 Regression] 30% performance regression in SciMark2 MonteCarlo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79389 Richard Biener changed: What|Removed |Added Attachment #40818|0 |1 is obsolete|

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #13 from Marek Polacek --- Uh. (sizetype) q is folded to -1 in constant_value_1. DECL_INITIAL of "q" is -1, that's what build_zero_init_1 did: 177 else if (TYPE_PTR_OR_PTRMEM_P (type)) 178 init = fold (convert (type,

[Bug tree-optimization/79389] [7 Regression] 30% performance regression in SciMark2 MonteCarlo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79389 --- Comment #15 from Richard Biener --- (In reply to Richard Biener from comment #14) > Created attachment 40818 [details] > patch > > Patch I am testing for the loop splitting cost model. I still believe loop > splitting on its own is not

[Bug tree-optimization/79690] IVOPTs drops gs: prefix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79690 --- Comment #2 from Richard Biener --- This is similar to PR66768 but is somewhat special because the vectorizer generates unit size align 8 symtab 0 alias set -1 canonical type 0x768ba348 precision 8 min max >

[Bug fortran/67497] data.c sanitizer runtime error: null pointer passed as argument 2, which is declared to never be null

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67497 Dominique d'Humieres changed: What|Removed |Added Blocks||33056 --- Comment #6 from

[Bug tree-optimization/79690] IVOPTs drops gs: prefix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79690 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/79690] New: Vectorizer drops gs: prefix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79690 Bug ID: 79690 Summary: Vectorizer drops gs: prefix Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization

[Bug fortran/66328] Wrong initialization of derived-type DATA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66328 Dominique d'Humieres changed: What|Removed |Added Blocks||33056 --- Comment #4 from

[Bug fortran/49588] DATA statement with vector sections rejected (ICE: TODO)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49588 Dominique d'Humieres changed: What|Removed |Added Blocks||33056 --- Comment #2 from

[Bug fortran/79685] [5/6/7 Regression] ICE on valid code in gfc_match_structur_constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79685 Dominique d'Humieres changed: What|Removed |Added Blocks||33056 --- Comment #2 from

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #12 from Marek Polacek --- What's changed in r231197 is that previously we had return = (int) ((long int) ((char *) + (sizetype) q) - (long int) ); but now return = (int) ((long int) ((char *) + 18446744073709551615) - (long int)

[Bug fortran/79685] [5/6/7 Regression] ICE on valid code in gfc_match_structur_constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79685 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/79689] ICE with trailing return type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79689 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #11 from Volker Reichelt --- The following testcase returns 1 for me since at least GCC 4.7. clang (3.2 - 4.0.0rc2), VS (2012, 2015) and ICC all return 0. struct A {

[Bug c/79684] Conditional jump or move depends on uninitialised value in GIMPLE FE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79684 --- Comment #3 from Richard Biener --- Author: rguenth Date: Thu Feb 23 12:38:39 2017 New Revision: 245681 URL: https://gcc.gnu.org/viewcvs?rev=245681=gcc=rev Log: 2017-02-23 Richard Biener PR c/79684 *

[Bug c/79684] Conditional jump or move depends on uninitialised value in GIMPLE FE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79684 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/79689] New: ICE with trailing return type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79689 Bug ID: 79689 Summary: ICE with trailing return type Product: gcc Version: 6.3.1 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3

[Bug target/71017] libgcc/config/i386/cpuinfo.c:346:17: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71017 --- Comment #8 from dominiq at gcc dot gnu.org --- Author: dominiq Date: Thu Feb 23 12:19:05 2017 New Revision: 245680 URL: https://gcc.gnu.org/viewcvs?rev=245680=gcc=rev Log: 2017-01-23 Dominique d'Humieres PR

[Bug c++/79686] Variadic template expansion into concept with leading parameters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79686 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #10 from Marek Polacek --- Ok, so the Comment 4 testcase started to abort with r217814 and stopped with r229167.

[Bug c/79688] New: ICE with a RTL test-case and -O1 provided

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79688 Bug ID: 79688 Summary: ICE with a RTL test-case and -O1 provided Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug c++/78301] noexcept() operator rejects sibling method call without object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78301 --- Comment #4 from Jonathan Wakely --- And std::declval()->inner() doesn't work either: ne.cc:5:59: error: invalid use of incomplete type ‘struct a’ void outer() const noexcept( noexcept( std::declval()->inner() ) ) {

[Bug tree-optimization/79389] [7 Regression] 30% performance regression in SciMark2 MonteCarlo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79389 --- Comment #14 from Richard Biener --- Created attachment 40818 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40818=edit patch Patch I am testing for the loop splitting cost model. I still believe loop splitting on its own is not

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #9 from Jonathan Wakely --- Looks valid to me.

[Bug tree-optimization/79683] SLP vectorizer drops gs: prefix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79683 --- Comment #6 from Richard Biener --- Author: rguenth Date: Thu Feb 23 11:43:51 2017 New Revision: 245679 URL: https://gcc.gnu.org/viewcvs?rev=245679=gcc=rev Log: 2017-02-23 Richard Biener PR

[Bug tree-optimization/79683] SLP vectorizer drops gs: prefix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79683 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 Richard Biener changed: What|Removed |Added Target Milestone|--- |5.5

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #8 from Marek Polacek --- Not sure, but clang++ accepts this without warning and the program returns 0.

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #7 from Markus Trippelsdorf --- Well, the first question is: is this valid C++ code?

[Bug c++/71568] Inexplicable error: "X is inaccessible within this context" for a public member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71568 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #6 from Marek Polacek --- Duh, I can reproduce the abort with gcc-5 on my laptop, but not on another machine.

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #5 from Volker Reichelt --- The problems actually seem to be older. We experienced crashes already with GCC 4.8.2, but don't have a small testcase for this, yet.

[Bug c++/71568] Inexplicable error: "X is inaccessible within this context" for a public member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71568 --- Comment #1 from Jaak Ristioja --- After trying to minimize the code, this still seems to trigger the same error: #include template using whatever = void; template struct has_f; template struct has_f

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #4 from Markus Trippelsdorf --- Hmm, I was using: struct A { char c; }; int main() { char A::*p = ::c; static char A::*const q = p; A a; if (&(a.*q) - ) __builtin_abort(); } and this triggers with gcc-5.

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 --- Comment #3 from Marek Polacek --- commit 69f54cf56ac077735cc599dc0db060143ba3713c Author: jason Date: Wed Dec 2 19:04:43 2015 + Introduce cp_fold_rvalue. *

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug c++/79687] [5/6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/79687] New: [6/7 Regression] Wrong code with pointer-to-member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79687 Bug ID: 79687 Summary: [6/7 Regression] Wrong code with pointer-to-member Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal

[Bug c++/79686] New: Variadic template expansion into concept with leading parameters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79686 Bug ID: 79686 Summary: Variadic template expansion into concept with leading parameters Product: gcc Version: 6.2.0 Status: UNCONFIRMED Severity: normal

[Bug middle-end/79665] gcc's signed (x*x)/200 is slower than clang's

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79665 --- Comment #12 from ktkachov at gcc dot gnu.org --- Huh, never mind. That sdiv was there even before this changes, it is unrelated to this. I don't have see how there could be a slowdown from this change

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