[Bug middle-end/85563] [8/9 regression] -Wmaybe-uninitialized false alarm regression with __builtin_unreachable and GCC 8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85563 --- Comment #13 from eggert at cs dot ucla.edu --- (In reply to Jakub Jelinek from comment #10) > I don't understand that. You had: > ((CONSP (Vframe_list)) ? (void) 0 : __builtin_unreachable ()); > for ((tail) = Vframe_list; (CONSP (tail) &

[Bug target/89165] miscompile calling SSE function from non-SSE code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89165 --- Comment #2 from Andrew Pinski --- This is warned about: t.c: In function ‘g’: t.c:7:1: warning: SSE vector return without SSE enabled changes the ABI [-Wpsabi] 7 | simd4f g(simd4f a,simd4f b) {return f(a)+f(b);} | ^~ t.c:7:8: no

[Bug target/89165] miscompile calling SSE function from non-SSE code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89165 Andrew Pinski changed: What|Removed |Added Component|c |target --- Comment #1 from Andrew Pinski

[Bug c/89165] New: miscompile calling SSE function from non-SSE code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89165 Bug ID: 89165 Summary: miscompile calling SSE function from non-SSE code Product: gcc Version: 8.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/81679] use attribute unused on function arguments as an optimization hint

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81679 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug libfortran/35844] Overwriting the -std= option at runtime via environment variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35844 Jerry DeLisle changed: What|Removed |Added Status|WAITING |RESOLVED CC|

[Bug libstdc++/89164] New: can construct vector with non-copyable-but-trivially-copyable elements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89164 Bug ID: 89164 Summary: can construct vector with non-copyable-but-trivially-copyable elements Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal

[Bug target/89112] Incorrect code generated by rs6000 memcmp expansion

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89112 --- Comment #6 from Segher Boessenkool --- The patch in #c5 is pre-approved everywhere. Thanks! #c4... Do you *want* to keep it together? Is it in fact cold? If it is not, maybe you can improve the execution estimate for it?

[Bug tree-optimization/89154] 5% degradation of CPU2006 473.astar starting with r266305

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89154 --- Comment #1 from Segher Boessenkool --- The new version needs to save r4 because it reuses the reg for storing r7+r8. And we still don't wrap CR separately, sigh.

[Bug fortran/87625] [OOP] (re)allocate on assignment fails for polymorphic array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87625 --- Comment #6 from Neil Carlson --- Yes, can this please be back-ported? Still broken on at least 8.

[Bug fortran/64962] Use "nonnull"/"returns_nonnull" attribute annotation for procedures (user code + libgfortran)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64962 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|normal

[Bug fortran/64973] Duplicate use-statements could be diagnosed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64973 Dominique d'Humieres changed: What|Removed |Added Priority|P4 |P5

[Bug fortran/31592] Better message if using non-intrinsic initialization expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31592 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|normal

[Bug fortran/55179] Optionally warn when use-associating a module with no (public) symbols

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55179 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|normal

[Bug fortran/55534] -Wno-missing-include-dirs does not work with gfortran

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55534 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5

[Bug fortran/85130] Substrings out of range are not rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85130 Dominique d'Humieres changed: What|Removed |Added Priority|P4 |P5

[Bug libfortran/35844] Overwriting the -std= option at runtime via environment variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35844 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5

[Bug fortran/42118] Slow forall

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42118 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P4

[Bug fortran/69485] oddity with -Wtabs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69485 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|normal

[Bug fortran/81344] Can't disable -ffpe-trap (or not documented)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81344 Dominique d'Humieres changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug fortran/89078] [meta-bug] Improve the gfortran manual

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89078 Bug 89078 depends on bug 81344, which changed state. Bug 81344 Summary: Can't disable -ffpe-trap (or not documented) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81344 What|Removed |Added ---

[Bug fortran/81344] Can't disable -ffpe-trap (or not documented)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81344 --- Comment #5 from dominiq at gcc dot gnu.org --- Author: dominiq Date: Sat Feb 2 21:44:34 2019 New Revision: 268480 URL: https://gcc.gnu.org/viewcvs?rev=268480&root=gcc&view=rev Log: 2019-02-02 Dominique d'Humieres PR fortran/81344

[Bug c/89163] New: Missed optimization: sar and shr equivalent for non-negative numbers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89163 Bug ID: 89163 Summary: Missed optimization: sar and shr equivalent for non-negative numbers Product: gcc Version: 8.2.1 Status: UNCONFIRMED Keywords: missed-opt

[Bug go/89162] libgo build is broken on powerpc64-linux

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89162 --- Comment #2 from Segher Boessenkool --- Ha, my last build was r268452 :-) Thanks for the fix, and sorry for the noise.

[Bug go/89162] libgo build is broken on powerpc64-linux

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89162 Andreas Schwab changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug go/89162] New: libgo build is broken on powerpc64-linux

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89162 Bug ID: 89162 Summary: libgo build is broken on powerpc64-linux Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: blocker Priority: P3 Component: go

[Bug go/89162] libgo build is broken on powerpc64-linux

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89162 Segher Boessenkool changed: What|Removed |Added Priority|P3 |P1 Target Milestone|---

[Bug c++/89160] -Wattributes too eager on C++11 attributes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89160 --- Comment #2 from Marc Glisse --- Thanks, yes, that's an exact duplicate that I failed to find despite several searches in bugzilla :-(

[Bug c/89161] Bogus -Wformat-overflow warning with value range known

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89161 Martin Sebor changed: What|Removed |Added Keywords||diagnostic Status|UNCONFIRMED

[Bug fortran/78398] missing warnings and inconsistencies with -Wuninitialized (Fortran)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78398 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|normal

[Bug fortran/64066] [F08] Wrongly accepts ; (semicolon) at ending a null token

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64066 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|normal

[Bug fortran/59065] questionable bounds for unassociated allocatable/pointer arrays?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59065 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5

[Bug fortran/57360] Implement a warning for implied save

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57360 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5

[Bug c++/86368] an unknown [[attribute]] should not trigger a warning in C++17

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86368 Martin Sebor changed: What|Removed |Added CC||glisse at gcc dot gnu.org --- Comment #6

[Bug c++/89160] -Wattributes too eager on C++11 attributes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89160 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug fortran/60144] Misleading error message when missing "then" after "if" and "else if"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60144 Dominique d'Humieres changed: What|Removed |Added Status|NEW |WAITING --- Comment #5 from Domin

[Bug tree-optimization/43565] Missed address comparison folding of DECL_COMMONs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43565 --- Comment #11 from Marc Nieper-Wißkirchen --- If ISO C allows such linkage to be created outside of the standard, a number of other assumption would be violated as well: In 6.2.4 (2) it says that "an object exists, has a constant address, and

[Bug c/89161] New: Bogus -Wformat-overflow warning with value range known

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89161 Bug ID: 89161 Summary: Bogus -Wformat-overflow warning with value range known Product: gcc Version: 7.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compo

[Bug fortran/88298] [7/8/9 Regression] Bogus conversion warning for CSHIFT with -fno-range-check -m64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88298 Thomas Koenig changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug fortran/88298] [7/8/9 Regression] Bogus conversion warning for CSHIFT with -fno-range-check -m64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88298 --- Comment #7 from Thomas Koenig --- Author: tkoenig Date: Sat Feb 2 17:07:40 2019 New Revision: 268479 URL: https://gcc.gnu.org/viewcvs?rev=268479&root=gcc&view=rev Log: 2019-02-02 Thomas Koenig PR fortran/88298 Backport f

[Bug fortran/32630] [meta-bug] ISO C binding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32630 Bug 32630 depends on bug 57048, which changed state. Bug 57048 Summary: [7/8 Regression] Handling of C_PTR and C_FUNPTR leads to reject valid https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57048 What|Removed |Add

[Bug fortran/57048] [7/8 Regression] Handling of C_PTR and C_FUNPTR leads to reject valid

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57048 Thomas Koenig changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug fortran/57048] [7/8 Regression] Handling of C_PTR and C_FUNPTR leads to reject valid

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57048 --- Comment #14 from Thomas Koenig --- Author: tkoenig Date: Sat Feb 2 16:57:39 2019 New Revision: 268478 URL: https://gcc.gnu.org/viewcvs?rev=268478&root=gcc&view=rev Log: 2019-02-02 Thomas Koenig PR fortran/57048 Backport

[Bug c++/89158] [8/9 Regression] by-value capture of ICE variable isn't an lvalue?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89158 --- Comment #3 from Marek Polacek --- When reference_binding creates the conversion const int -> const int & the expression is still VIEW_CONVERT_EXPR(Val) so it doesn't set conv->need_temporary_p. Only then do we call mark_rvalue_use which turn

[Bug fortran/78351] comma not terminating READ of formatted input field - ok in 4.1.7, not 4.4.7- maybe related to 25419?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78351 Jerry DeLisle changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug fortran/88298] [7/8/9 Regression] Bogus conversion warning for CSHIFT with -fno-range-check -m64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88298 --- Comment #6 from Thomas Koenig --- Author: tkoenig Date: Sat Feb 2 16:53:28 2019 New Revision: 268477 URL: https://gcc.gnu.org/viewcvs?rev=268477&root=gcc&view=rev Log: 2019-02-02 Thomas Koenig PR fortran/88298 Backport f

[Bug c++/89160] New: -Wattributes too eager on C++11 attributes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89160 Bug ID: 89160 Summary: -Wattributes too eager on C++11 attributes Product: gcc Version: 8.2.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority

[Bug ipa/89139] GCC emits code for static functions that aren't used by the optimized code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89139 --- Comment #4 from Marc Nieper-Wißkirchen --- P.S.: This issue showed up when I tried to analyze why no optimization is happening in bug #89152.

[Bug fortran/57048] [7/8 Regression] Handling of C_PTR and C_FUNPTR leads to reject valid

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57048 --- Comment #13 from Thomas Koenig --- Author: tkoenig Date: Sat Feb 2 16:35:47 2019 New Revision: 268476 URL: https://gcc.gnu.org/viewcvs?rev=268476&root=gcc&view=rev Log: 2019-02-02 Thomas Koenig PR fortran/57048 Backport

[Bug fortran/88298] [7/8/9 Regression] Bogus conversion warning for CSHIFT with -fno-range-check -m64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88298 --- Comment #5 from Thomas Koenig --- Author: tkoenig Date: Sat Feb 2 16:21:43 2019 New Revision: 268475 URL: https://gcc.gnu.org/viewcvs?rev=268475&root=gcc&view=rev Log: 2019-02-02 Thomas Koenig PR fortran/88298 * arith.c

[Bug c++/89158] [8/9 Regression] by-value capture of ICE variable isn't an lvalue?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89158 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug fortran/64397] [OOP] Runtime segfault with parenthesis expression passed to polymorphic dummy argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64397 --- Comment #11 from Dominique d'Humieres --- This PR seems to have been fixed by revision r268474.

[Bug middle-end/85563] [8/9 regression] -Wmaybe-uninitialized false alarm regression with __builtin_unreachable and GCC 8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85563 --- Comment #12 from Marc Glisse --- (In reply to Jakub Jelinek from comment #11) > I think there are cases where we set useful range even on other SSA_NAMEs > than the single one used in the condition, and in some cases it should be > good enoug

[Bug middle-end/85563] [8/9 regression] -Wmaybe-uninitialized false alarm regression with __builtin_unreachable and GCC 8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85563 --- Comment #11 from Jakub Jelinek --- (In reply to Marc Glisse from comment #9) > --- gimple-ssa-evrp-analyze.c (revision 268474) > +++ gimple-ssa-evrp-analyze.c (working copy) > @@ -217,7 +217,8 @@ evrp_range_analyzer::record_ranges_from_ >

[Bug middle-end/85563] [8/9 regression] -Wmaybe-uninitialized false alarm regression with __builtin_unreachable and GCC 8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85563 --- Comment #10 from Jakub Jelinek --- (In reply to Paul Eggert from comment #8) > (In reply to Jakub Jelinek from comment #7) > > > Or just rewrite whatever you are doing to something that doesn't suffer from > > this. Say: > > (tail) = Vfra

[Bug ada/89159] New: limited with, tagged record and access to function confuse the linker

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89159 Bug ID: 89159 Summary: limited with, tagged record and access to function confuse the linker Product: gcc Version: 8.2.0 Status: UNCONFIRMED Severity: normal

[Bug middle-end/85563] [8/9 regression] -Wmaybe-uninitialized false alarm regression with __builtin_unreachable and GCC 8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85563 --- Comment #9 from Marc Glisse --- --- gimple-ssa-evrp-analyze.c (revision 268474) +++ gimple-ssa-evrp-analyze.c (working copy) @@ -217,7 +217,8 @@ evrp_range_analyzer::record_ranges_from_ push_value_range (vrs[i].first, vrs[i]

[Bug lto/88147] [9 Regression] ICE in linemap_line_start, at libcpp/line-map.c:781 starting from r265875

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88147 --- Comment #10 from David Malcolm --- FWIW I'm able to reproduce this with r265875 and am running a reduction script over this weekend to see if I can isolate what the issue is/was.

[Bug fortran/53576] Very unhelpful error message: "Unclassifiable statement" instead of "Can't convert TYPE to ..."

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53576 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|normal

[Bug fortran/60144] Misleading error message when missing "then" after "if" and "else if"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60144 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|minor

[Bug fortran/54880] [OOP] ICE in gfc_create_module_variable, at fortran/trans-decl.c:4013

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54880 --- Comment #6 from Jakub Jelinek --- The assert is meaningful, it is a bug if something is created with one context once and then something tries to change that context to something else. So whatever wants to change that is doing something wron

[Bug fortran/60091] Misleading error messages in rank-2 pointer assignment to rank-1 target

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60091 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P5 Severity|minor

[Bug fortran/54880] [OOP] ICE in gfc_create_module_variable, at fortran/trans-decl.c:4013

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54880 Dominique d'Humieres changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comm

[Bug rtl-optimization/87485] [9 Regression] Compile time hog w/ -O2 -fschedule-insns -fno-guess-branch-probability -fno-isolate-erroneous-paths-dereference -fno-omit-frame-pointer -fno-split-wide-type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87485 --- Comment #23 from Eric Botcazou --- > Because these testcases uncover real problems in the code base, please see > comment #19. But there are hundreds open PRs in the database for *real* code with *realistic* combinations of options. This on

[Bug rtl-optimization/87485] [9 Regression] Compile time hog w/ -O2 -fschedule-insns -fno-guess-branch-probability -fno-isolate-erroneous-paths-dereference -fno-omit-frame-pointer -fno-split-wide-type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87485 --- Comment #22 from Uroš Bizjak --- (In reply to Eric Botcazou from comment #21) > Why are we wasting any time or energy on useless PRs like this one involving > an improbable combination of options on nonsensical code, especially > -fschedule-i

[Bug fortran/88393] [7/8/9 Regression] [OOP] Segfault with type-bound assignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88393 --- Comment #5 from Paul Thomas --- Author: pault Date: Sat Feb 2 09:23:30 2019 New Revision: 268474 URL: https://gcc.gnu.org/viewcvs?rev=268474&root=gcc&view=rev Log: 2019-02-02 Paul Thomas PR fortran/88393 * trans-expr.c (

[Bug fortran/88980] [9 regression] segfault on allocatable string member assignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88980 --- Comment #3 from Paul Thomas --- Author: pault Date: Sat Feb 2 09:16:44 2019 New Revision: 268473 URL: https://gcc.gnu.org/viewcvs?rev=268473&root=gcc&view=rev Log: 2019-02-02 Paul Thomas PR fortran/88980 * trans-array.c

[Bug fortran/88685] [8/9 regression] pointer class array argument indexing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88685 --- Comment #6 from Paul Thomas --- Author: pault Date: Sat Feb 2 09:10:58 2019 New Revision: 268472 URL: https://gcc.gnu.org/viewcvs?rev=268472&root=gcc&view=rev Log: 2019-02-02 Paul Thomas PR fortran/88685 * expr.c (is_sub

[Bug c++/89158] [8/9 Regression] by-value capture of ICE variable isn't an lvalue?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89158 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED